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

[Aaron Ogburn (JIRA)]

Aaron Ogburn created MODCLUSTER-466:
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             Summary: 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


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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