[mod_cluster-issues] [JBoss JIRA] (MODCLUSTER-466) mod_cluster undersizes the connection pool on httpd 2.2

[RH Bugzilla Integration (JIRA)]

     [ https://issues.jboss.org/browse/MODCLUSTER-466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

RH Bugzilla Integration updated MODCLUSTER-466:
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    Bugzilla References: https://bugzilla.redhat.com/show_bug.cgi?id=1256608, https://bugzilla.redhat.com/show_bug.cgi?id=1338642, https://bugzilla.redhat.com/show_bug.cgi?id=1256607  (was: https://bugzilla.redhat.com/show_bug.cgi?id=1256607, https://bugzilla.redhat.com/show_bug.cgi?id=1256608)


> mod_cluster undersizes the connection pool on httpd 2.2
> -------------------------------------------------------
>
>                 Key: MODCLUSTER-466
>                 URL: https://issues.jboss.org/browse/MODCLUSTER-466
>             Project: mod_cluster
>          Issue Type: Bug
>            Reporter: Aaron Ogburn
>            Assignee: Jean-Frederic Clere
>             Fix For: 1.2.11.Final
>
>
> If all threads in a httpd child worker process are saturated with long requests, then all connections in the pool are exhausted, likely leaving none available for additional pings, which then fail with errors like:
> [error] (70007)The timeout specified has expired: proxy: ajp: failed to acquire connection for ...
> Documentation suggests the connection pool will be sized to ThreadsPerChild+1 to avoid that, but it looks like it is really just ThreadsPerChild on httpd 2.2.



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