diff --git a/lib/Alchemy/Phrasea/Border/Checker/Sha256.php b/lib/Alchemy/Phrasea/Border/Checker/Sha256.php
index cfc3d85cef..5116e35dfd 100644
--- a/lib/Alchemy/Phrasea/Border/Checker/Sha256.php
+++ b/lib/Alchemy/Phrasea/Border/Checker/Sha256.php
@@ -34,10 +34,6 @@ class Sha256 extends AbstractChecker
      */
     public function check(EntityManager $em, File $file)
     {
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("\n%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into checker sha256")
-        ), FILE_APPEND | LOCK_EX);
-
         $excludedCollIds = [];
         if (!empty($this->compareIgnoreCollections)) {
             foreach ($this->compareIgnoreCollections as $collection) {
@@ -50,10 +46,6 @@ class Sha256 extends AbstractChecker
 
         $boolean = empty($file->getCollection()->get_databox()->getRecordRepository()->findBySha256WithExcludedCollIds($file->getSha256(), $excludedCollIds));
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("return from checker sha256")
-        ), FILE_APPEND | LOCK_EX);
-
         return new Response($boolean, $this);
     }
 
diff --git a/lib/Alchemy/Phrasea/Border/Checker/UUID.php b/lib/Alchemy/Phrasea/Border/Checker/UUID.php
index e4ec2135ab..99f988e3d2 100644
--- a/lib/Alchemy/Phrasea/Border/Checker/UUID.php
+++ b/lib/Alchemy/Phrasea/Border/Checker/UUID.php
@@ -33,10 +33,6 @@ class UUID extends AbstractChecker
      */
     public function check(EntityManager $em, File $file)
     {
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("\n%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into checker uuid")
-        ), FILE_APPEND | LOCK_EX);
-
         $excludedCollIds = [];
         if (!empty($this->compareIgnoreCollections)) {
             foreach ($this->compareIgnoreCollections as $collection) {
@@ -48,9 +44,6 @@ class UUID extends AbstractChecker
         }
 
         $uuid = $file->getUUID(false, false);
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("found uuid=%s", $uuid ?: 'null')
-        ), FILE_APPEND | LOCK_EX);
 
         if($uuid === null) {
             // no uuid in file so no need to search for a match
@@ -60,10 +53,6 @@ class UUID extends AbstractChecker
             $boolean = empty($file->getCollection()->get_databox()->getRecordRepository()->findByUuidWithExcludedCollIds($uuid, $excludedCollIds));
         }
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("return from checker uuid")
-        ), FILE_APPEND | LOCK_EX);
-
         return new Response($boolean, $this);
     }
 
diff --git a/lib/Alchemy/Phrasea/Border/File.php b/lib/Alchemy/Phrasea/Border/File.php
index 7137ebbd41..27a3677833 100644
--- a/lib/Alchemy/Phrasea/Border/File.php
+++ b/lib/Alchemy/Phrasea/Border/File.php
@@ -63,10 +63,6 @@ class File
      */
     public function __construct(Application $app, MediaInterface $media, \collection $collection, $originalName = null)
     {
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into construct")
-        ), FILE_APPEND | LOCK_EX);
-
         $this->app = $app;
         $this->media = $media;
         $this->collection = $collection;
@@ -93,15 +89,7 @@ class File
      */
     public function getUUID($generate = false, $write = false)
     {
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into getuuid for \"%s\" with generate=%s, write=%s ; this->uuid=%s", $this->getFile()->getRealPath(), $generate?'true':'false', $write?'true':'false', $this->uuid ?:'null')
-        ), FILE_APPEND | LOCK_EX);
-
         if ($this->uuid && !$write) {
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("return known uuid %s", $this->uuid)
-            ), FILE_APPEND | LOCK_EX);
-
             return $this->uuid;
         }
 
@@ -115,10 +103,6 @@ class File
         ];
 
         if (!$this->uuid) {
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("getMetadatas to get uuid")
-            ), FILE_APPEND | LOCK_EX);
-
             $metadatas = $this->media->getMetadatas();
 
             $uuid = null;
@@ -132,10 +116,6 @@ class File
                     if (Uuid::isValid($candidate)) {
                         $uuid = $candidate;
 
-                        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                            sprintf("found uuid from %s ; %s", $meta, $uuid)
-                        ), FILE_APPEND | LOCK_EX);
-
                         break;
                     }
                 }
@@ -143,19 +123,12 @@ class File
 
             if (!$uuid && $generate) {
                 $uuid = Uuid::uuid4();
-                file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("generated uuid %s", $uuid)
-                ), FILE_APPEND | LOCK_EX);
             }
 
             $this->uuid = $uuid;
         }
 
         if ($write) {
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("writing uuid %s", $this->uuid)
-            ), FILE_APPEND | LOCK_EX);
-
             $value = new MonoValue($this->uuid);
             $metadatas = new ExiftoolMetadataBag();
 
@@ -167,30 +140,14 @@ class File
                 $writer = $this->app['exiftool.writer'];
                 $writer->reset();
 
-                file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("exiftool will write to %s", $this->getFile()->getRealPath())
-                ), FILE_APPEND | LOCK_EX);
-
                 $writer->write($this->getFile()->getRealPath(), $metadatas);
 
-                file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("exiftool has writen ok to %s", $this->getFile()->getRealPath())
-                ), FILE_APPEND | LOCK_EX);
-
             } catch (PHPExiftoolException $e) {
 
-                file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("exiftool failed to write to %s because (%s)", $this->getFile()->getRealPath(), $e->getMessage())
-                ), FILE_APPEND | LOCK_EX);
-
                 // PHPExiftool throws exception on some files not supported
             }
         }
 
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("return uuid %s", $this->uuid ?: 'null')
-        ), FILE_APPEND | LOCK_EX);
-
         return $this->uuid;
     }
 
@@ -229,30 +186,9 @@ class File
      */
     public function getSha256()
     {
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into getSha256() for \"%s\" ; this->sha256=%s", $this->getFile()->getRealPath(), $this->sha256 ?: 'null')
-        ), FILE_APPEND | LOCK_EX);
-
         if (!$this->sha256) {
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("sha256 unknown, calling mediavorus::getHash('sha256')")
-            ), FILE_APPEND | LOCK_EX);
-
             $this->sha256 = $this->media->getHash('sha256');
-
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("mediavorus::getHash('sha256') returned \"%s\"", $this->sha256)
-            ), FILE_APPEND | LOCK_EX);
         }
-        else {
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("sha256 known (\"%s\")", $this->sha256)
-            ), FILE_APPEND | LOCK_EX);
-        }
-
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("return sha256 %s", $this->sha256 ?: 'null')
-        ), FILE_APPEND | LOCK_EX);
 
         return $this->sha256;
     }
diff --git a/lib/Alchemy/Phrasea/Border/Manager.php b/lib/Alchemy/Phrasea/Border/Manager.php
index 2f9636476a..de52ea8878 100644
--- a/lib/Alchemy/Phrasea/Border/Manager.php
+++ b/lib/Alchemy/Phrasea/Border/Manager.php
@@ -108,16 +108,9 @@ class Manager
      */
     public function process(LazaretSession $session, File $file, $callable = null, $forceBehavior = null, $nosubdef = false)
     {
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into process")
-        ), FILE_APPEND | LOCK_EX);
-
         $visa = $this->getVisa($file);
 
         // READ the uuid (possibly generates one) but DO NOT write (because we need the stripped file for sha compare ?)
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("get uuid (generate, no write) from \"%s\"", $file->getFile()->getRealPath())
-        ), FILE_APPEND | LOCK_EX);
 
         $file->getUUID(true, false);
 
@@ -126,42 +119,24 @@ class Manager
             $this->addMediaAttributes($file);
 
             // Write UUID
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("get uuid (no generate, write) from \"%s\"", $file->getFile()->getRealPath())
-            ), FILE_APPEND | LOCK_EX);
 
             $file->getUUID(false, true);
 
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("creating record")
-            ), FILE_APPEND | LOCK_EX);
-
             $element = $this->createRecord($file, $nosubdef);
 
             $code = self::RECORD_CREATED;
         } else {
 
             // Write UUID
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("get uuid (no generate, write) from \"%s\"", $file->getFile()->getRealPath())
-            ), FILE_APPEND | LOCK_EX);
 
             $file->getUUID(false, true);
 
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("creating lazaret")
-            ), FILE_APPEND | LOCK_EX);
-
             $element = $this->createLazaret($file, $visa, $session, $forceBehavior === self::FORCE_LAZARET);
 
             $code = self::LAZARET_CREATED;
         }
 
 //        // Write UUID
-//        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-//            sprintf("get uuid (no generate, write) from \"%s\"", $file->getFile()->getRealPath())
-//        ), FILE_APPEND | LOCK_EX);
-//
 //        $file->getUUID(false, true);
 
         if (is_callable($callable)) {
@@ -304,17 +279,8 @@ class Manager
      */
     protected function createRecord(File $file, $nosubdef=false)
     {
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into createRecord")
-        ), FILE_APPEND | LOCK_EX);
-
         $element = \record_adapter::createFromFile($file, $this->app);
 
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("created %s.%s", $element->getDataboxId(), $element->getRecordId())
-        ), FILE_APPEND | LOCK_EX);
-
-
         $date = new \DateTime();
 
         $file->addAttribute(
@@ -379,19 +345,12 @@ class Manager
             }
         }
 
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("calling replaceMetadata")
-        ), FILE_APPEND | LOCK_EX);
-
         /** @var EventDispatcherInterface $dispatcher */
         $dispatcher = $this->app['dispatcher'];
         $dispatcher->addListener(
             RecordEvents::METADATA_CHANGED,
             function (Event $event)  {
                 // we do not want replaceMetadata() to send a writemeta
-//                file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-//                    sprintf("---------- event METADATA_CHANGED catched !!! Propagation stopped !!!")
-//                ), FILE_APPEND | LOCK_EX);
 //                $event->stopPropagation();
             },
             10
@@ -421,10 +380,6 @@ class Manager
      */
     protected function createLazaret(File $file, Visa $visa, LazaretSession $session, $forced)
     {
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into createLazaret")
-        ), FILE_APPEND | LOCK_EX);
-
         $date = new \DateTime();
         $file->addAttribute(
             new MetadataAttr(
@@ -477,10 +432,6 @@ class Manager
 
         $this->app['orm.em']->flush();
 
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("return from createLazaret")
-        ), FILE_APPEND | LOCK_EX);
-
         return $lazaretFile;
     }
 
diff --git a/lib/Alchemy/Phrasea/Controller/Prod/UploadController.php b/lib/Alchemy/Phrasea/Controller/Prod/UploadController.php
index f2597c2ec3..f2130e7d32 100644
--- a/lib/Alchemy/Phrasea/Controller/Prod/UploadController.php
+++ b/lib/Alchemy/Phrasea/Controller/Prod/UploadController.php
@@ -117,10 +117,6 @@ class UploadController extends Controller
      */
     public function upload(Request $request)
     {
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into upload controller")
-        ), FILE_APPEND | LOCK_EX);
-
         $data = [
             'success' => false,
             'code'    => null,
@@ -198,21 +194,12 @@ class UploadController extends Controller
                 $renamedFilename = $file->getRealPath() . '.' . pathinfo($file->getClientOriginalName(), PATHINFO_EXTENSION);
             }
 
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("rename \"%s\" to \"%s\"", $uploadedFilename, $renamedFilename)
-            ), FILE_APPEND | LOCK_EX);
-
             $this->getFilesystem()->rename($uploadedFilename, $renamedFilename);
 
             $originalName = $file->getClientOriginalName();
         }
 
         try {
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("calling getMediaFromUri(\"%s\")", $renamedFilename)
-            ), FILE_APPEND | LOCK_EX);
-
-
             $media = $this->app->getMediaFromUri($renamedFilename);
             $collection = \collection::getByBaseId($this->app, $base_id);
 
@@ -241,15 +228,7 @@ class UploadController extends Controller
             $elementCreated = null;
 
             $callback = function ($element, Visa $visa) use (&$reasons, &$elementCreated) {
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("into callback")
-                ), FILE_APPEND | LOCK_EX);
-
                 foreach ($visa->getResponses() as $response) {
-                    file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                        sprintf("visa returned %s", $response->isOk() ? 'ok' : 'not ok')
-                    ), FILE_APPEND | LOCK_EX);
-
                     if (!$response->isOk()) {
                         $reasons[] = $response->getMessage($this->app['translator']);
                     }
@@ -258,23 +237,10 @@ class UploadController extends Controller
                 $elementCreated = $element;
             };
 
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("process")
-            ), FILE_APPEND | LOCK_EX);
-
             $code = $this->getBorderManager()->process( $lazaretSession, $packageFile, $callback, $forceBehavior);
 
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("processed, returned elementCreated class \"%s\"", get_class($elementCreated))
-            ), FILE_APPEND | LOCK_EX);
-
             if($renamedFilename !== $uploadedFilename) {
                 $this->getFilesystem()->rename($renamedFilename, $uploadedFilename);
-
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("renamed \"%s\" back to \"%s\"", $renamedFilename, $uploadedFilename)
-                ), FILE_APPEND | LOCK_EX);
-
             }
 
             if (!!$forceBehavior) {
@@ -282,19 +248,10 @@ class UploadController extends Controller
             }
 
             if ($elementCreated instanceof \record_adapter) {
-
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("record %s created", $elementCreated->getRecordId())
-                ), FILE_APPEND | LOCK_EX);
-
                 $id = $elementCreated->getId();
                 $element = 'record';
                 $message = $this->app->trans('The record was successfully created');
 
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("dispatch event RECORD_UPLOAD")
-                ), FILE_APPEND | LOCK_EX);
-
                 $this->dispatch(PhraseaEvents::RECORD_UPLOAD, new RecordEdit($elementCreated));
 
                 // try to create thumbnail from data URI
@@ -305,16 +262,8 @@ class UploadController extends Controller
                         $fileName = $this->getTemporaryFilesystem()->createTemporaryFile('base_64_thumb', null, "png");
                         file_put_contents($fileName, $dataUri->getData());
 
-                        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                            sprintf("calling getMediaFromUri(\"%s\")", $fileName)
-                        ), FILE_APPEND | LOCK_EX);
-
                         $media = $this->app->getMediaFromUri($fileName);
 
-                        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                            sprintf("getMediaFromUri(...) done")
-                        ), FILE_APPEND | LOCK_EX);
-
                         $this->getSubDefinitionSubstituer()->substituteSubdef($elementCreated, 'thumbnail', $media);
                         $this->getDataboxLogger($elementCreated->getDatabox())
                             ->log($elementCreated, \Session_Logger::EVENT_SUBSTITUTE, 'thumbnail', '');
@@ -327,10 +276,6 @@ class UploadController extends Controller
                 }
             } else {
                 /** @var LazaretFile $elementCreated */
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("dispatch event LAZARET_CREATE")
-                ), FILE_APPEND | LOCK_EX);
-
                 $this->dispatch(PhraseaEvents::LAZARET_CREATE, new LazaretEvent($elementCreated));
 
                 $id = $elementCreated->getId();
@@ -350,10 +295,6 @@ class UploadController extends Controller
             $data['message'] = $this->app->trans('Unable to add file to Phraseanet');
         }
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("returns")
-        ), FILE_APPEND | LOCK_EX);
-
         $response = $this->app->json($data);
         // IE 7 and 8 does not correctly handle json response in file API
         // lets send them an html content-type header
diff --git a/lib/Alchemy/Phrasea/Media/SubdefGenerator.php b/lib/Alchemy/Phrasea/Media/SubdefGenerator.php
index 806af7b723..0a15330449 100644
--- a/lib/Alchemy/Phrasea/Media/SubdefGenerator.php
+++ b/lib/Alchemy/Phrasea/Media/SubdefGenerator.php
@@ -111,9 +111,6 @@ class SubdefGenerator
             $hd = $hd->getRealPath();
 
             clearstatcache(true, $hd);
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("creating subdefs for %s.%s from document \"%s\" (size=%s)", $record->getDataboxId(), $record->getRecordId(), $hd, filesize($hd))
-            ), FILE_APPEND | LOCK_EX);
         }
 
         $mediaCreated = [];
@@ -130,10 +127,6 @@ class SubdefGenerator
 
                 $pathdest = $record->get_subdef($subdefname)->getRealPath();
 
-                file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("deleting previous subdef \"%s\" (file=\"%s\") for %s.%s", $subdefname, $pathdest, $record->getDataboxId(), $record->getRecordId())
-                ), FILE_APPEND | LOCK_EX);
-
                 $record->get_subdef($subdefname)->remove_file();
                 $this->logger->info(sprintf('Removed old file for %s', $subdefname));
                 $record->clearSubdefCache($subdefname);
diff --git a/lib/Alchemy/Phrasea/Metadata/PhraseanetMetadataSetter.php b/lib/Alchemy/Phrasea/Metadata/PhraseanetMetadataSetter.php
index 1468286a88..945a6d93c9 100644
--- a/lib/Alchemy/Phrasea/Metadata/PhraseanetMetadataSetter.php
+++ b/lib/Alchemy/Phrasea/Metadata/PhraseanetMetadataSetter.php
@@ -42,10 +42,6 @@ class PhraseanetMetadataSetter
      */
     public function replaceMetadata($metadataCollection, \record_adapter $record)
     {
-        file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("replaceMetadata for %s.%s", $record->getDataboxId(), $record->getRecordId())
-        ), FILE_APPEND | LOCK_EX);
-
         $metaStructure = $this->repository->find($record->getDataboxId())->get_meta_structure()->get_elements();
 
         $metadataPerField = $this->extractMetadataPerField($metaStructure, $metadataCollection);
@@ -92,10 +88,6 @@ class PhraseanetMetadataSetter
         }
 
         if (! empty($metadataInRecordFormat)) {
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("calling set_metadatas for %s.%s", $record->getDataboxId(), $record->getRecordId())
-            ), FILE_APPEND | LOCK_EX);
-
             /*
              * todo : tryout to write meta AFTER meta was written in db by set_metadatas()
              * how : uncomment section
@@ -106,9 +98,6 @@ class PhraseanetMetadataSetter
                 RecordEvents::METADATA_CHANGED,
                 function () use ($record) {
                     // order to write meta in file
-                    file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                        sprintf("dispatch WorkerEvents::RECORDS_WRITE_META for %s.%s", $record->getDataboxId(), $record->getRecordId())
-                    ), FILE_APPEND | LOCK_EX);
                     // this event will add a msg to the writemeta q
                     $this->dispatcher->dispatch(WorkerEvents::RECORDS_WRITE_META,
                         new RecordsWriteMetaEvent([$record->getRecordId()], $record->getDataboxId()));
@@ -128,9 +117,6 @@ class PhraseanetMetadataSetter
              *
              */
             // order to write meta in file
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("dispatch WorkerEvents::RECORDS_WRITE_META for %s.%s", $record->getDataboxId(), $record->getRecordId())
-            ), FILE_APPEND | LOCK_EX);
 
             $this->dispatcher->dispatch(WorkerEvents::RECORDS_WRITE_META,
                 new RecordsWriteMetaEvent([$record->getRecordId()], $record->getDataboxId()));
@@ -138,13 +124,6 @@ class PhraseanetMetadataSetter
              * end of section to comment
              */
         }
-        else {
-
-            file_put_contents(dirname(__FILE__).'/../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("no metadatas to set for %s.%s", $record->getDataboxId(), $record->getRecordId())
-            ), FILE_APPEND | LOCK_EX);
-
-        }
     }
 
     /**
diff --git a/lib/Alchemy/Phrasea/Model/Manipulator/LazaretManipulator.php b/lib/Alchemy/Phrasea/Model/Manipulator/LazaretManipulator.php
index 011b1c941c..8b23572b90 100644
--- a/lib/Alchemy/Phrasea/Model/Manipulator/LazaretManipulator.php
+++ b/lib/Alchemy/Phrasea/Model/Manipulator/LazaretManipulator.php
@@ -129,10 +129,6 @@ class LazaretManipulator
     {
         $ret = ['success' => false, 'message' => '', 'result'  => []];
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into lazaret/add")
-        ), FILE_APPEND | LOCK_EX);
-
         /* @var LazaretFile $lazaretFile */
         $lazaretFile = $this->repository->find($file_id);
 
@@ -147,21 +143,12 @@ class LazaretManipulator
         $lazaretThumbFileName = $path .'/'.$lazaretFile->getThumbFilename();
 
         try {
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("ok to add from lazaret")
-            ), FILE_APPEND | LOCK_EX);
-
             $borderFile = Border\File::buildFromPathfile(
                 $lazaretFileName,
                 $lazaretFile->getCollection($this->app),
                 $this->app,
                 $lazaretFile->getOriginalName()
             );
-
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("got borderFile \"%s\"", $borderFile->getFile()->getRealPath())
-            ), FILE_APPEND | LOCK_EX);
-
         }
         catch(\Exception $e) {
             // the file is not in tmp anymore ?
@@ -172,17 +159,9 @@ class LazaretManipulator
             return $ret;
         }
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("added from lazaret")
-        ), FILE_APPEND | LOCK_EX);
-
         try {
             //Post record creation
 
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("force record creation")
-            ), FILE_APPEND | LOCK_EX);
-
             /** @var \record_adapter $record */
             $record = null;
             $callBack = function ($element) use (&$record) {
@@ -197,17 +176,9 @@ class LazaretManipulator
                 Border\Manager::FORCE_RECORD
             );
 
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("got record %s.%s", $record->getDataboxId(), $record->getRecordId())
-            ), FILE_APPEND | LOCK_EX);
-
             if ($keepAttributes) {
                 //add attribute
 
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("adding attributes")
-                ), FILE_APPEND | LOCK_EX);
-
                 $metaFields = new Border\MetaFieldsBag();
                 $metadataBag = new Border\MetadataBag();
 
@@ -250,25 +221,14 @@ class LazaretManipulator
                 /* todo: better to to do only one set_metadatas ? */
                 $data = $metadataBag->toMetadataArray($record->getDatabox()->get_meta_structure());
 
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("adding attributes \"databag\" %s.%s", $record->getDataboxId(), $record->getRecordId())
-                ), FILE_APPEND | LOCK_EX);
-
                 $record->set_metadatas($data);
 
                 $fields = $metaFields->toMetadataArray($record->getDatabox()->get_meta_structure());
 
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("adding attributes \"fields\" %s.%s", $record->getDataboxId(), $record->getRecordId())
-                ), FILE_APPEND | LOCK_EX);
-
                 $record->set_metadatas($fields);
 
 
                 // order to write meta in file
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("dispatch WorkerEvents::RECORDS_WRITE_META for %s.%s", $record->getDataboxId(), $record->getRecordId())
-                ), FILE_APPEND | LOCK_EX);
 
                 $this->app['dispatcher']->dispatch(WorkerEvents::RECORDS_WRITE_META,
                     new RecordsWriteMetaEvent([$record->getRecordId()], $record->getDataboxId()));
@@ -291,10 +251,6 @@ class LazaretManipulator
             // no-op
         }
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("return from laaret/add")
-        ), FILE_APPEND | LOCK_EX);
-
         return $ret;
     }
 
diff --git a/lib/Alchemy/Phrasea/Model/Repositories/WorkerRunningJobRepository.php b/lib/Alchemy/Phrasea/Model/Repositories/WorkerRunningJobRepository.php
index 433c94a13d..f33487b65a 100644
--- a/lib/Alchemy/Phrasea/Model/Repositories/WorkerRunningJobRepository.php
+++ b/lib/Alchemy/Phrasea/Model/Repositories/WorkerRunningJobRepository.php
@@ -86,15 +86,8 @@ class WorkerRunningJobRepository extends EntityRepository
         $databoxId      = $payload['databoxId'];
         $recordId       = $payload['recordId'];
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf('canDoJob("%s") for %s.%s ?', $jobType, $databoxId, $recordId)
-        ), FILE_APPEND | LOCK_EX);
-
         // first protect sql by a critical section
         if( !( $recordMutexId = $this->getRecordMutex($databoxId, $recordId)) ) {
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                'getRecordMutex() failed'
-            ), FILE_APPEND | LOCK_EX);
 
             return null;
         }
@@ -120,38 +113,19 @@ class WorkerRunningJobRepository extends EntityRepository
                 if ($stmt->execute() === true) {
                     $row = $stmt->fetch(PDO::FETCH_ASSOC);
                 }
-                else {
-                    file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                        sprintf("!!! FAILED select on %s.%s because (%s)", $databoxId, $recordId, $stmt->errorCode())
-                    ), FILE_APPEND | LOCK_EX);
-                }
                 $stmt->closeCursor();
 
                 if(!$row) {
                     // no job running : create or update (may return false) if error
                     $workerRunningJobId = $this->creteOrUpdateJob($cnx, $payload, $jobType);
                 }
-                else {
-                    file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                        sprintf("job %s (id=%s) already running on %s.%s", $row['work'], $row['id'], $databoxId, $recordId)
-                    ), FILE_APPEND | LOCK_EX);
-                }
 
                 $cnx->commit();
             }
             catch (Exception $e) {
                 $cnx->rollBack();
-
-                file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("!!! FAILED in transaction to select/create on %s.%s because (%s)", $databoxId, $recordId, $e->getMessage())
-                ), FILE_APPEND | LOCK_EX);
             }
         }
-        else {
-            file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("!!! FAILED to create transaction to select/create on %s.%s", $databoxId, $recordId)
-            ), FILE_APPEND | LOCK_EX);
-        }
 
         // end of critical section
         $this->releaseMutex($recordMutexId);
@@ -199,9 +173,6 @@ class WorkerRunningJobRepository extends EntityRepository
                 if ($cnx->exec($sql) === 1) {
                     // went well, the row is inserted
                     $workerJobId = $cnx->lastInsertId();
-                    file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                        sprintf("created job %s (id=%s) for %s.%s.%s", $type, $workerJobId, $payload['databoxId'], $payload['recordId'], $payload['subdefName'])
-                    ), FILE_APPEND | LOCK_EX);
                 }
                 else {
                     // row not inserted ?
@@ -218,10 +189,6 @@ class WorkerRunningJobRepository extends EntityRepository
                 if ($cnx->exec($sql) === 1) {
                     // went well, the row is updated
                     $workerJobId = $payload['workerJobId'];
-
-                    file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                        sprintf("updated job %s (id=%s) for %s.%s.%s", $type, $workerJobId, $payload['databoxId'], $payload['recordId'], $payload['subdefName'])
-                    ), FILE_APPEND | LOCK_EX);
                 }
                 else {
                     // row not inserted ?
@@ -231,10 +198,6 @@ class WorkerRunningJobRepository extends EntityRepository
         }
         catch (Exception $e) {
             // bad case : we return null anyway
-
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("!!! FAILED creating/updating job %s for %s.%s.%s because (%s)", $type, $payload['databoxId'], $payload['recordId'], $payload['subdefName'], $e->getMessage())
-            ), FILE_APPEND | LOCK_EX);
         }
 
         return $workerJobId;
@@ -273,18 +236,10 @@ class WorkerRunningJobRepository extends EntityRepository
                 . " `flock` = " . $cnx->quote('_mutex_') . " AND\n"
                 . " TIMESTAMPDIFF(SECOND, `published`, NOW()) > 60";
 
-            if ($cnx->exec($sql) > 0) {
-                // affected rows is 1 since by definition this key is unique
-                file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("!!! old mutex for %s.%s deleted !!! SHOULD NOT HAPPEN !!!", $databoxId, $recordId)
-                ), FILE_APPEND | LOCK_EX);
-            }
+            $cnx->exec($sql);
         }
         catch(Exception $e) {
             // here something went very wrong, like sql death
-            file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("!!! FAILED while trying to delete old mutex for %s.%s because (%s) !!! SHOULD NOT HAPPEN !!!", $e->getMessage(), $databoxId, $recordId)
-            ), FILE_APPEND | LOCK_EX);
 
             return false; // we could choose to continue, but if we end up here... better to stop
         }
@@ -309,12 +264,7 @@ class WorkerRunningJobRepository extends EntityRepository
 
                 if(($a = $cnx->exec($sql)) === 1) {
 
-                    $mutexId = $cnx->lastInsertId();
-                    file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                        sprintf("getMutex tryout %s for %s.%s OK, returning mutex (id=%s)", $tryout, $databoxId, $recordId, $mutexId)
-                    ), FILE_APPEND | LOCK_EX);
-
-                    return $mutexId;
+                    return $cnx->lastInsertId();
                 }
 
                 throw new Exception(sprintf("inserting mutex should return 1 row affected, got %s", $a));
@@ -328,19 +278,11 @@ class WorkerRunningJobRepository extends EntityRepository
                 if($tryout < 3) {
                     $rnd = rand(10, 50) * 10;   // 100 ms ... 500 ms with 10 ms steps
 
-                    file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                        sprintf("getMutex retry in %d msec", $rnd)
-                    ), FILE_APPEND | LOCK_EX);
-
                     usleep($rnd * 1000);
                 }
             }
         }
 
-        file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("!!! FAILED getMutex for %s.%s because (%s)", $databoxId, $recordId, $e->getMessage())
-        ), FILE_APPEND | LOCK_EX);
-
         return false;
     }
 
@@ -366,20 +308,12 @@ class WorkerRunningJobRepository extends EntityRepository
 
                 $cnx->exec($sql);
 
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("releaseMutex (id=%s) DONE", $recordMutexId)
-                ), FILE_APPEND | LOCK_EX);
-
                 return;
             }
             catch (Exception $e) {
                 if($tryout < 3) {
                     $rnd = rand(10, 50) * 10;   // 100 ms ... 500 ms with 10 ms steps
 
-                    file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                        sprintf("releaseMutex (id=%s) retry in %d msec", $recordMutexId, $rnd)
-                    ), FILE_APPEND | LOCK_EX);
-
                     usleep($rnd * 1000);
                 }
             }
@@ -387,9 +321,6 @@ class WorkerRunningJobRepository extends EntityRepository
 
         // Here we were not able to release a mutex (bad)
         // The last chance will be later, when old mutex (60s) is deleted
-        file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("!!! FAILED release mutex (id=%s) because (%s)", $recordMutexId, $e->getMessage())
-        ), FILE_APPEND | LOCK_EX);
     }
 
     /**
@@ -417,9 +348,6 @@ class WorkerRunningJobRepository extends EntityRepository
 
                 if(($a = $cnx->exec($sql) )=== 1) {
                     // ok
-                    file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                        sprintf("job (id=%d) marked as finished", $workerRunningJobId)
-                    ), FILE_APPEND | LOCK_EX);
 
                     return;
                 }
@@ -427,17 +355,11 @@ class WorkerRunningJobRepository extends EntityRepository
                 throw new Exception(sprintf("updating WorkerRunningJob should return 1 row affected, got %s", $a));
             }
             catch (Exception $e) {
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("failed to mark job (id=%d) as finished (tryout %s, retry in 1 sec) because (%s)", $workerRunningJobId, $tryout, $e->getMessage())
-                ), FILE_APPEND | LOCK_EX);
                 if($tryout < 2) {
                     sleep(1);   // retry in 1 sec
                 }
             }
         }
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("!!! FAILED to mark job (id=%d) as finished", $workerRunningJobId)
-        ), FILE_APPEND | LOCK_EX);
     }
 
     /**
@@ -525,16 +447,10 @@ class WorkerRunningJobRepository extends EntityRepository
     public function reconnect()
     {
         if($this->_em->getConnection()->ping() === false) {
-            file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("!!!! reconnect-ping returned false, calling \"connect()\".")
-            ), FILE_APPEND | LOCK_EX);
             $this->_em->getConnection()->close();
             $this->_em->getConnection()->connect();
         }
         if(!$this->getEntityManager()->isOpen()) {
-            file_put_contents(dirname(__FILE__) . '/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("!!!! entity manager closed, recreating.")
-            ), FILE_APPEND | LOCK_EX);
             $this->_em = $this->_em->create(
                 $this->_em->getConnection(),
                 $this->_em->getConfiguration(),
diff --git a/lib/Alchemy/Phrasea/WorkerManager/Subscriber/RecordSubscriber.php b/lib/Alchemy/Phrasea/WorkerManager/Subscriber/RecordSubscriber.php
index fdfe723ccb..fbb1245180 100644
--- a/lib/Alchemy/Phrasea/WorkerManager/Subscriber/RecordSubscriber.php
+++ b/lib/Alchemy/Phrasea/WorkerManager/Subscriber/RecordSubscriber.php
@@ -153,10 +153,6 @@ class RecordSubscriber implements EventSubscriberInterface
         $databoxId = $event->getDataboxId();
         $recordIds = $event->getRecordIds();
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("handle RECORDS_WRITE_META for %s.[%s]", $databoxId, join(',', $recordIds))
-        ), FILE_APPEND | LOCK_EX);
-
         foreach ($recordIds as $recordId) {
             $mediaSubdefRepository = $this->getMediaSubdefRepository($databoxId);
             $mediaSubdefs = $mediaSubdefRepository->findByRecordIdsAndNames([$recordId]);
@@ -178,10 +174,6 @@ class RecordSubscriber implements EventSubscriberInterface
                     ];
 
                     if ($subdef->is_physically_present()) {
-                        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                            sprintf("q-publish  WRITE_METADATAS_TYPE for %s.%s.%s", $databoxId, $recordId, $subdef->get_name())
-                        ), FILE_APPEND | LOCK_EX);
-
                         $this->messagePublisher->publishMessage($payload, MessagePublisher::WRITE_METADATAS_TYPE);
                     }
                     else {
@@ -217,12 +209,6 @@ class RecordSubscriber implements EventSubscriberInterface
 
     public function onSubdefinitionWritemeta(SubdefinitionWritemetaEvent $event)
     {
-        $record = $event->getRecord();
-
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("Event WorkerEvents::SUBDEFINITION_WRITE_META catched  for %s.%s.%s", $record->getDataboxId(), $record->getRecordId(), $event->getSubdefName())
-        ), FILE_APPEND | LOCK_EX);
-
         if ($event->getStatus() == SubdefinitionWritemetaEvent::FAILED) {
             $payload = [
                 'message_type' => MessagePublisher::WRITE_METADATAS_TYPE,
@@ -297,22 +283,7 @@ class RecordSubscriber implements EventSubscriberInterface
                     ]
                 ];
 
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("sending message MessagePublisher::WRITE_METADATAS_TYPE for %s.%s.%s ...", $databoxId, $recordId, $event->getSubdefName())
-                ), FILE_APPEND | LOCK_EX);
-
                 $this->messagePublisher->publishMessage($payload, MessagePublisher::WRITE_METADATAS_TYPE);
-
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("   ... message MessagePublisher::WRITE_METADATAS_TYPE sent for %s.%s.%s", $databoxId, $recordId, $event->getSubdefName())
-                ), FILE_APPEND | LOCK_EX);
-            }
-            else {
-
-                file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                    sprintf("no MessagePublisher::WRITE_METADATAS_TYPE for %s.%s.%s because(isSubdefMetadataUpdateRequired=%d)", $databoxId, $recordId, $event->getSubdefName(), $this->isSubdefMetadataUpdateRequired($databox, $type, $subdef->get_name()))
-                ), FILE_APPEND | LOCK_EX);
-
             }
         }
 
diff --git a/lib/Alchemy/Phrasea/WorkerManager/Worker/SubdefCreationWorker.php b/lib/Alchemy/Phrasea/WorkerManager/Worker/SubdefCreationWorker.php
index 8da0bf12c6..4cd29e640d 100644
--- a/lib/Alchemy/Phrasea/WorkerManager/Worker/SubdefCreationWorker.php
+++ b/lib/Alchemy/Phrasea/WorkerManager/Worker/SubdefCreationWorker.php
@@ -65,10 +65,6 @@ class SubdefCreationWorker implements WorkerInterface
         $databoxId      = $payload['databoxId'];
         $subdefName     = $payload['subdefName'];
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("process SubdefCreation for %s.%s.%s", $databoxId, $recordId, $subdefName)
-        ), FILE_APPEND | LOCK_EX);
-
         $databox = $this->findDataboxById($databoxId);
         $record = $databox->get_record($recordId);
 
@@ -90,41 +86,21 @@ class SubdefCreationWorker implements WorkerInterface
                 ],
                 MessagePublisher::SUBDEF_CREATION_TYPE
             );
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("cannot CreateSubdef for %s.%s.%s, delayed", $databoxId, $recordId, $subdefName)
-            ), FILE_APPEND | LOCK_EX);
+
             return ;
         }
 
         // here we can work
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("ready to CreateSubdef for %s.%s.%s", $databoxId, $recordId, $subdefName)
-        ), FILE_APPEND | LOCK_EX);
-
         $this->subdefGenerator->setLogger($this->logger);
 
         try {
             $this->subdefGenerator->generateSubdefs($record, [$subdefName]);
-
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("subdef generated for %s.%s.%s (?)", $databoxId, $recordId, $subdefName)
-            ), FILE_APPEND | LOCK_EX);
-
         }
         catch (Exception $e) {
             $this->logger->error("Exception catched: " . $e->getMessage());
-
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("!!! subdef generation failed (ignored) for %s.%s.%s : %s", $databoxId, $recordId, $subdefName, $e->getMessage())
-            ), FILE_APPEND | LOCK_EX);
-
         }
         catch (Throwable $e) {
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("subdef generation failed, retry delayed for %s.%s.%s : %s", $databoxId, $recordId, $subdefName, $e->getMessage())
-            ), FILE_APPEND | LOCK_EX);
-
             $count = isset($payload['count']) ? $payload['count'] + 1 : 2 ;
             $workerMessage = "Exception throwable catched when create subdef for the recordID: " .$recordId;
 
@@ -143,10 +119,6 @@ class SubdefCreationWorker implements WorkerInterface
             return ;
         }
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("checking subdef file for %s.%s.%s", $databoxId, $recordId, $subdefName)
-        ), FILE_APPEND | LOCK_EX);
-
         // begin to check if the subdef is successfully generated
         $subdef = $record->getDatabox()->get_subdef_structure()->getSubdefGroup($record->getType())->getSubdef($subdefName);
         $filePathToCheck = null;
@@ -158,11 +130,6 @@ class SubdefCreationWorker implements WorkerInterface
         $filePathToCheck = $this->filesystem->generateSubdefPathname($record, $subdef, $filePathToCheck);
 
         if (!$this->filesystem->exists($filePathToCheck)) {
-
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("!!! subdef file missing, retry delayed for %s.%s.%s", $databoxId, $recordId, $subdefName)
-            ), FILE_APPEND | LOCK_EX);
-
             $count = isset($payload['count']) ? $payload['count'] + 1 : 2 ;
 
             /** @uses \Alchemy\Phrasea\WorkerManager\Subscriber\RecordSubscriber::onSubdefinitionCreationFailure() */
@@ -182,10 +149,6 @@ class SubdefCreationWorker implements WorkerInterface
 
         // checking ended
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("subdef file exists, order to write meta for %s.%s.%s", $databoxId, $recordId, $subdefName)
-        ), FILE_APPEND | LOCK_EX);
-
         // order to write meta for the subdef if needed
         /** @uses \Alchemy\Phrasea\WorkerManager\Subscriber\RecordSubscriber::onSubdefinitionWritemeta() */
         $this->dispatcher->dispatch(
@@ -196,10 +159,6 @@ class SubdefCreationWorker implements WorkerInterface
             )
         );
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("Event WorkerEvents::SUBDEFINITION_WRITE_META posted  for %s.%s.%s", $record->getDataboxId(), $record->getRecordId(), $subdefName)
-        ), FILE_APPEND | LOCK_EX);
-
         $this->subdefGenerator->setLogger($oldLogger);
 
         //  update jeton when subdef is created
diff --git a/lib/Alchemy/Phrasea/WorkerManager/Worker/WriteMetadatasWorker.php b/lib/Alchemy/Phrasea/WorkerManager/Worker/WriteMetadatasWorker.php
index 94cbef6899..c7773526c0 100644
--- a/lib/Alchemy/Phrasea/WorkerManager/Worker/WriteMetadatasWorker.php
+++ b/lib/Alchemy/Phrasea/WorkerManager/Worker/WriteMetadatasWorker.php
@@ -67,10 +67,6 @@ class WriteMetadatasWorker implements WorkerInterface
         $recordId    = $payload['recordId'];
         $subdefName  = $payload['subdefName'];
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("process WriteMeta for %s.%s.%s", $databoxId, $recordId, $subdefName)
-        ), FILE_APPEND | LOCK_EX);
-
         $MWG         = $payload['MWG'] ?? false;
         $clearDoc    = $payload['clearDoc'] ?? false;
         $databox     = $this->findDataboxById($databoxId);
@@ -87,25 +83,14 @@ class WriteMetadatasWorker implements WorkerInterface
                 ],
                 MessagePublisher::WRITE_METADATAS_TYPE
             );
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("cannot WriteMeta for %s.%s.%s, delayed", $databoxId, $recordId, $subdefName)
-            ), FILE_APPEND | LOCK_EX);
 
             return ;
         }
 
         // here we can work
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("ready to WriteMeta for %s.%s.%s", $databoxId, $recordId, $subdefName)
-        ), FILE_APPEND | LOCK_EX);
-
         $record  = $databox->get_record($recordId);
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf(" - recordid = %s", $record->getRecordId())
-        ), FILE_APPEND | LOCK_EX);
-
         if ($record->getMimeType() == 'image/svg+xml') {
 
             $this->logger->error("Can't write meta on svg file!");
@@ -119,17 +104,9 @@ class WriteMetadatasWorker implements WorkerInterface
         $this->repoWorker->reconnect();
 
         try {
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf(" - getsubdef %s", $subdefName)
-            ), FILE_APPEND | LOCK_EX);
-
             $subdef = $record->get_subdef($subdefName);
         }
         catch (Exception $e) {
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf(" - %s", $e->getMessage())
-            ), FILE_APPEND | LOCK_EX);
-
             $workerMessage = "Exception catched when try to get subdef " .$subdefName. " from DB for the recordID: " .$recordId;
             $this->logger->error($workerMessage);
 
@@ -150,10 +127,6 @@ class WriteMetadatasWorker implements WorkerInterface
         }
 
         if (!$subdef->is_physically_present()) {
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf(" - not present")
-            ), FILE_APPEND | LOCK_EX);
-
             $count = isset($payload['count']) ? $payload['count'] + 1 : 2 ;
 
             /** @uses \Alchemy\Phrasea\WorkerManager\Subscriber\RecordSubscriber::onSubdefinitionWritemeta() */
@@ -265,10 +238,6 @@ class WriteMetadatasWorker implements WorkerInterface
             }
         }
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf(" - reset")
-        ), FILE_APPEND | LOCK_EX);
-
         $this->writer->reset();
 
         if ($MWG) {
@@ -277,21 +246,12 @@ class WriteMetadatasWorker implements WorkerInterface
 
         $this->writer->erase($subdef->get_name() != 'document' || $clearDoc, true);
 
-        file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf(" - erased")
-        ), FILE_APPEND | LOCK_EX);
-
         // write meta in file
         try {
             $this->writer->write($subdef->getRealPath(), $metadata);
 
             $this->messagePublisher->pushLog(sprintf('metadatas written %s databoxname=%s databoxid=%d recordid=%d',
                 $subdef->get_name(), $databox->get_viewname(), $databox->get_sbas_id(), $recordId), 'info');
-
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("meta written in %s.%s.%s", $databoxId, $recordId, $subdefName)
-            ), FILE_APPEND | LOCK_EX);
-
         }
         catch (Exception $e) {
 
@@ -304,10 +264,6 @@ class WriteMetadatasWorker implements WorkerInterface
                 $stopInfo = $matches[0];
             }
 
-            file_put_contents(dirname(__FILE__).'/../../../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("meta NOT written in %s.%s.%s because (%s)\n  Will %sretry", $databoxId, $recordId, $subdefName, $msg, ($stopInfo ? "not ":""))
-            ), FILE_APPEND | LOCK_EX);
-
             $workerMessage = sprintf('meta NOT written for databoxId=%1$d - recordId=%2$d (%3$s) because "%4$s"',
                 $databox->get_sbas_id(),
                 $recordId,
diff --git a/lib/classes/record/adapter.php b/lib/classes/record/adapter.php
index f65991e36b..e0a7209f2a 100644
--- a/lib/classes/record/adapter.php
+++ b/lib/classes/record/adapter.php
@@ -1140,10 +1140,6 @@ class record_adapter implements RecordInterface, cache_cacheableInterface
      */
     public function set_metadatas(array $metadatas, $force_readonly = false)
     {
-        file_put_contents(dirname(__FILE__).'/../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into set_metadatas for record %s.%s", $this->getDataboxId(), $this->getRecordId())
-        ), FILE_APPEND | LOCK_EX);
-
         $databox_descriptionStructure = $this->getDatabox()->get_meta_structure();
 
         foreach ($metadatas as $param) {
@@ -1168,16 +1164,8 @@ class record_adapter implements RecordInterface, cache_cacheableInterface
 
         $this->write_metas();
 
-        file_put_contents(dirname(__FILE__).'/../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("dispatch event RecordEvents::METADATA_CHANGED for record %s.%s", $this->getDataboxId(), $this->getRecordId())
-        ), FILE_APPEND | LOCK_EX);
-
         $this->dispatch(RecordEvents::METADATA_CHANGED, new MetadataChangedEvent($this));
 
-        file_put_contents(dirname(__FILE__).'/../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("return from set_metadata for record %s.%s", $this->getDataboxId(), $this->getRecordId())
-        ), FILE_APPEND | LOCK_EX);
-
         return $this;
     }
 
@@ -1682,10 +1670,6 @@ class record_adapter implements RecordInterface, cache_cacheableInterface
      */
     public static function createFromFile(File $file, Application $app)
     {
-        file_put_contents(dirname(__FILE__).'/../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into createFromFile")
-        ), FILE_APPEND | LOCK_EX);
-
         $collection = $file->getCollection();
 
         $record = self::_create(
@@ -1703,28 +1687,14 @@ class record_adapter implements RecordInterface, cache_cacheableInterface
             $newname_tmp = $newname.".tmp";
 
             clearstatcache(true, $file->getFile()->getRealPath());
-            file_put_contents(dirname(__FILE__).'/../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("copying \"%s\" (size=%s) to \"%s\"", $file->getFile()->getRealPath(), filesize($file->getFile()->getRealPath()), $pathhd . $newname_tmp)
-            ), FILE_APPEND | LOCK_EX);
 
             $filesystem->copy($file->getFile()->getRealPath(), $pathhd . $newname_tmp);
 
             clearstatcache(true, $pathhd . $newname_tmp);
-            file_put_contents(dirname(__FILE__).'/../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("copied \"%s\" to \"%s\" (size=%s)", $file->getFile()->getRealPath(), $pathhd . $newname_tmp, filesize($pathhd . $newname_tmp))
-            ), FILE_APPEND | LOCK_EX);
-
-            file_put_contents(dirname(__FILE__).'/../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("moving \"%s\" (size=%s) to \"%s\"", $pathhd . $newname_tmp, filesize($pathhd . $newname_tmp), $pathhd . $newname)
-            ), FILE_APPEND | LOCK_EX);
 
             $filesystem->rename($pathhd . $newname_tmp, $pathhd . $newname);
 
             clearstatcache(true, $pathhd . $newname);
-            file_put_contents(dirname(__FILE__).'/../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("moved \"%s\"to \"%s\" (size=%s) ", $pathhd . $newname_tmp, $pathhd . $newname, filesize($pathhd . $newname))
-            ), FILE_APPEND | LOCK_EX);
-
 
             $media = $app->getMediaFromUri($pathhd . $newname);
             media_subdef::create($app, $record, 'document', $media);
@@ -1767,10 +1737,6 @@ class record_adapter implements RecordInterface, cache_cacheableInterface
      */
     private static function _create(collection $collection, Application $app, File $file=null)
     {
-        file_put_contents(dirname(__FILE__).'/../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("into _create")
-        ), FILE_APPEND | LOCK_EX);
-
         $databox = $collection->get_databox();
 
         $sql = "INSERT INTO record"
@@ -1793,10 +1759,6 @@ class record_adapter implements RecordInterface, cache_cacheableInterface
 
         $record_id = $connection->lastInsertId();
 
-        file_put_contents(dirname(__FILE__).'/../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-            sprintf("sql record::inserted %s", $record_id)
-        ), FILE_APPEND | LOCK_EX);
-
         $record = new self($app, $databox->get_sbas_id(), $record_id);
 
         try {
@@ -1813,12 +1775,6 @@ class record_adapter implements RecordInterface, cache_cacheableInterface
                 ':final'     => $collection->get_coll_id(),
             ]);
             $stmt->closeCursor();
-
-            file_put_contents(dirname(__FILE__).'/../../../logs/trace.txt', sprintf("%s [%s] : %s (%s); %s\n", (date('Y-m-d\TH:i:s')), getmypid(), __FILE__, __LINE__,
-                sprintf("sql log_docs::inserted add %s", $record_id)
-            ), FILE_APPEND | LOCK_EX);
-
-
         }
         catch (\Exception $e) {
             $record = null;