[openstack-dev] [nova] [all] Excessively high greenlet default + excessively low connection pool defaults leads to connection pool latency, timeout errors, idle database connections / workers

Radomir Dopieralski openstack at sheep.art.pl
Fri Jan 8 09:44:27 UTC 2016

On 01/07/2016 05:55 PM, Mike Bayer wrote:

> but also even if you're under something like
> mod_wsgi, you can spawn a child process or worker thread regardless.
> You always have a Python interpreter running and all the things it can do.

Actually you can't, reliably. Or, more precisely, you really shouldn't. 
Most web servers out there expect to do their own process/thread 
management and get really embarrassed if you do something like this,
resulting in weird stuff happening.

Radomir Dopieralski

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