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Only log '[num] workers' message when it changes.

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Otherwise when debug logging is on, the message prints every second even
with no system activity.
This commit is contained in:
Robert Estelle 2015-07-12 13:31:32 -04:00
parent 0d86a9094d
commit 09357ed3c4
1 changed files with 7 additions and 4 deletions
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11
gunicorn/arbiter.py
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@ -473,6 +473,8 @@ class Arbiter(object):
Maintain the number of workers by spawning or killing Maintain the number of workers by spawning or killing
as required. as required.
""" """
orig_num_workers = self.num_workers
if len(self.WORKERS.keys()) < self.num_workers: if len(self.WORKERS.keys()) < self.num_workers:
self.spawn_workers() self.spawn_workers()
@ -482,10 +484,11 @@ class Arbiter(object):
(pid, _) = workers.pop(0) (pid, _) = workers.pop(0)
self.kill_worker(pid, signal.SIGTERM) self.kill_worker(pid, signal.SIGTERM)
self.log.debug("{0} workers".format(len(workers)), if self.num_workers != orig_num_workers:
extra={"metric": "gunicorn.workers", self.log.debug("{0} workers".format(len(workers)),
"value": len(workers), extra={"metric": "gunicorn.workers",
"mtype": "gauge"}) "value": len(workers),
"mtype": "gauge"})
def spawn_worker(self): def spawn_worker(self):
self.worker_age += 1 self.worker_age += 1