On 02/02/2017 04:07 PM, Kevin Benton wrote:
> This error seems to be new in the ocata cycle. It's either related to a
> dependency change or the fact that we put Apache in between the services
> now. Handling more concurrent requests than workers wasn't an issue
> before.
>
> It seems that you are suggesting that eventlet can't handle concurrent
> connections, which is the entire purpose of the library, no?
The only services that are running on Apache in standard gate jobs are
keystone and the placement api. Everything else is still the
oslo.service stack (which is basically run eventlet as a preforking
static worker count webserver).
The ways in which OpenStack and oslo.service uses eventlet are known to
have scaling bottle necks. The Keystone team saw substantial throughput
gains going over to apache hosting.
-Sean
--
Sean Dague
http://dague.net
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