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Merge pull request #2854 from minrk/startup-total-time

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HUB_STARTUP_DURATION_SECONDS measures total startup time
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Georgiana Elena
2019-12-18 11:12:24 +02:00
committed by GitHub
parent d9955a052d d78466507d
commit b4443b1251
1 changed files with 8 additions and 4 deletions
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12
jupyterhub/app.py
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@@ -2227,6 +2227,14 @@ class JupyterHub(Application):
if self.generate_config or self.generate_certs or self.subapp: if self.generate_config or self.generate_certs or self.subapp:
return return
self._start_future = asyncio.Future() self._start_future = asyncio.Future()
def record_start(f):
startup_time = time.perf_counter() - hub_startup_start_time
self.log.debug("It took %.3f seconds for the Hub to start", startup_time)
HUB_STARTUP_DURATION_SECONDS.observe(startup_time)
self._start_future.add_done_callback(record_start)
self.load_config_file(self.config_file) self.load_config_file(self.config_file)
self.init_logging() self.init_logging()
self.log.info("Running JupyterHub version %s", jupyterhub.__version__) self.log.info("Running JupyterHub version %s", jupyterhub.__version__)
@@ -2305,10 +2313,6 @@ class JupyterHub(Application):
init_spawners_future.add_done_callback(log_init_time) init_spawners_future.add_done_callback(log_init_time)
HUB_STARTUP_DURATION_SECONDS.observe(
time.perf_counter() - hub_startup_start_time
)
try: try:
# don't allow a zero timeout because we still need to be sure # don't allow a zero timeout because we still need to be sure