[JBoss JIRA] (MODCLUSTER-536) List of open files grows steadily during load test through mod_cluster
by Jean-Frederic Clere (Jira)
[ https://issues.redhat.com/browse/MODCLUSTER-536?page=com.atlassian.jira.p... ]
Jean-Frederic Clere closed MODCLUSTER-536.
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Resolution: Out of Date
> List of open files grows steadily during load test through mod_cluster
> ----------------------------------------------------------------------
>
> Key: MODCLUSTER-536
> URL: https://issues.redhat.com/browse/MODCLUSTER-536
> Project: mod_cluster
> Issue Type: Bug
> Components: Core & Container Integration (Java)
> Affects Versions: 1.3.1.Final
> Environment: Wildfly10.0.0.Final
> mod_cluster-1.3.1.Final-linux2-x64-ssl
> CentOS7 (virtualbox)
> Reporter: wayne tech
> Assignee: Jean-Frederic Clere
> Priority: Major
> Attachments: error_log, httpd-mpm.conf, httpd.conf, server.log, standalone-full-ha-snippet.xml
>
>
> I was able to configure wildfly 10 modcluster to work with Apache mod_cluster (1.3.1). However, when I was doing a load test, I found out that the test through web server eventually caused error in wildfly instance and I also saw error log in Apache web server
> The obvious error in wildfly instance is the so-called "java.net.SocketException: Too many files open". When I used the command lsop -u | grep TCP | wc -l, I can see the number grew steadily until the wildfly instance reported the error. This was when I sent requests through web server.
> However, when I sent the requests through wildfly instance (app server) directly, the number did not grow, and the app server can take a lot heavier load without this issue.
> The issue did not happen until many rounds of load tests were executed through web server. If I restart the web server, everything is working fine until I execute many rounds of load tests again
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