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add note about why no sqlite and nfs

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Carol Willing
2018-06-08 06:06:15 -07:00
parent eac3e8ba90
commit 19ecbf3734
1 changed files with 6 additions and 1 deletions
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7
docs/source/reference/database.md
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@@ -29,7 +29,12 @@ statement.
### SQLite ### SQLite
The SQLite database should not be used on NFS. The SQLite database should not be used on NFS. SQLite uses reader/writer locks
to control access to the database. This locking mechanism might not work
correctly if the database file is kept on an NFS filesystem. This is because
`fcntl()` file locking is broken on many NFS implementations. Therefore, you
should avoid putting SQLite database files on NFS since it will not handle well
multiple processes which might try to access the file at the same time.
### MySQL ### MySQL