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smarter sleeping to try and lighten cpu load

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Clint Armstrong
2015-09-09 15:23:04 -04:00
parent 06a809d96d
commit 01bef1ff01
1 changed files with 24 additions and 22 deletions
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6
poller-service.py
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@@ -240,7 +240,8 @@ def poll_worker(thread_id):
while True:
dev_row = db.query(dev_query)
if len(dev_row) < 1:
#log.warning("WARNING: Thread {0} returned no devices from query".format(thread_id))
# Sleep 1 second after getting an empty query, don't hammer the sql server for no reason.
time.sleep(1)
continue
device_id, status, next_poll, next_discovery = dev_row[0]
@@ -296,7 +297,8 @@ for i in range(0, amount_of_workers):
while True:
if next_update < datetime.now():
sleep_until(next_update)
seconds_taken = (datetime.now() - (next_update - timedelta(minutes=1))).seconds
update_query = ('INSERT INTO pollers(poller_name, '
' last_polled, '