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https://issues.apache.org/jira/browse/CLOUDSTACK-9375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15274714#comment-15274714
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Carles Figuerola commented on CLOUDSTACK-9375:
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Thanks to everyone for your comments, I've set up three different nodes with
different versions. I still have the node running tomcat6-6.0.24-90.el6.x86_64
which seems to unequivocally be going to its death
(http://i.imgur.com/Is6GsLv.png). I set up the second management server with
[~jburwell]'s recommended tomcat6-6.0.43-62.el6 and the third with
[~sudhansu]'s recommended tomcat6-6.0.24-80.el6. I'm also graphing those two
servers and we'll see how the test fares. I'll keep you updated.
Also, [~serverchief], all three hosts seem to have a similar results for the
number of threads. Running that command prints the pid as many times as the
number of threads I'm graphing.
> Cloudstack Management Memory Leak on org.apache.coyote.RequestInfo
> ------------------------------------------------------------------
>
> Key: CLOUDSTACK-9375
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9375
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server
> Affects Versions: 4.5.2
> Environment: CentOS release 6.7 (Final)
> Reporter: Carles Figuerola
>
> After deploying ACS (cloudstack-management-4.5.2-1.el6.x86_64), using a 4
> management cluster, the management pid keeps crashing with out of memory
> errors. Eclipse Memory Analyzer points to this class
> (org.apache.coyote.RequestInfo) as the culpable one:
> {code}
> 66,923 instances of "org.apache.coyote.RequestInfo", loaded by
> "org.apache.catalina.loader.StandardClassLoader @ 0x600026b98" occupy
> 6,227,824,472 (94.91%) bytes. These instances are referenced from one
> instance of "java.lang.Object[]", loaded by "<system class loader>"
> {code}
> Strangely, this is not affecting a smaller installation (2 management, 90
> hosts, ~2000 VMs) that is running ACS 4.5.2 over CentOS 6.7 or a clone of the
> broken one (4 management, 300 hosts, ~4000 VMs) running ACS 4.5.2 over Ubuntu
> 12.04.
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