Did you get a chance to try this?
The fallback is to usually use:
Mutex file:/path/to/mutex
>From memory the daemon processes should inherit the main Apache setting. If
>not you may also need to set:
WSGIAcceptMutex file:/path/to/mutex
Graham
> On 8 Jan 2020, at 5:44 am, Graham Dumpleton <[email protected]>
> wrote:
>
> Can’t give a proper reply right now but use —include-file to include an
> Apache config snippet which overrides ApacheMutex type and see if it helps. I
> can’t access what mutex type you could use right now and going to be offline
> for a while now.
>
> Graham
>
>> On 8 Jan 2020, at 08:03, John Anderson <[email protected]> wrote:
>>
>>
>> I am running mod_wsgi (v4.6.7) + django in an OpenShift environment on a
>> RHEL7 base image.
>>
>> I have noticed a semaphore leak due to restarts of mod_wsgi because of
>> container restarts. This is k8s so the good old pause container with shared
>> IPC is in play for pods.
>>
>> When my application containers restart they are allocating new semaphores
>> each time mod_wsgi starts and eventually this results in IPC semaphore
>> exhaustion.
>>
>> This originally manifested because of a cluster platform issue which caused
>> a high rate of container restarts in a short period of time.
>>
>> This is my mod_wsgi invocation:
>>
>> python manage.py runmodwsgi --https-port=$FOO_SERVICE_PORT --server-name=foo
>> --server-alias=*.example.com <http://example.com/> --server-alias=localhost
>> --allow-localhost --https-only --log-to-terminal --log-level=info
>> --ssl-certificate=/etc/tls-certs/tls --trust-proxy-header=X-Forwarded-For
>> --trust-proxy-header=X-Forwarded-Host --trust-proxy-header=X-Forwarded-Port
>> --trust-proxy-header=X-Forwarded-Server
>> --trust-proxy-header=X-Forwarded-Proto
>>
>> Is there anything glaring I could try to mitigate this? Perhaps with apache
>> mutex settings?
>>
>> Thanks,
>> John
>>
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