[openstack-dev] Asynchronous logging

Jay Pipes jaypipes at gmail.com
Wed Nov 7 18:00:37 UTC 2012


On 11/05/2012 04:03 PM, Eric Windisch wrote:
>> I'm curious what led you to making this change in the first place. Did
>> you observe a problem or was it more theoretical?
> 
> Asynchonous logging is a common pattern because logging is a relatively
> frequent and slow operation. It blocks a lot, which makes it a good
> candidate for being more friendly with eventlet.
> 
> Here are the results of timing devstack's exercise.sh with
> logging_async=True versus False.

<snipped results...>

Was that test done with debug=True or verbose=True? Also, have you done
the test with logging settings that match a production environment --
for instance, when use_syslog=True?

Curious as to the results :)

Best,
-jay



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