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https://issues.apache.org/jira/browse/AMQ-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16419444#comment-16419444
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Christopher L. Shannon edited comment on AMQ-6940 at 3/29/18 5:27 PM:
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There's a new flag on a policy that you can set called
useTopicSubscriptionInflightStats. It defaults to true but if you set it to
false then it will not store those objects in the dispatched list and skip that
metric.
was (Author: christopher.l.shannon):
There's a new flag on a policy that you can set called
useTopicSubscriptionInflightStats. It defaults to true but if you set it to
false then it will now store those objects in the dispatched list and skip that
metric.
> Significant memory footprint increase from 5.8.0 to 5.15.3
> ----------------------------------------------------------
>
> Key: AMQ-6940
> URL: https://issues.apache.org/jira/browse/AMQ-6940
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.15.3
> Environment: Java jdk1.8.0_144
> OS Linux 4.4.19-29.55.amzn1.x86_64
> Reporter: Johno Crawford
> Assignee: Christopher L. Shannon
> Priority: Major
> Fix For: 5.16.0, 5.15.4
>
> Attachments: activemq.xml, amq-testing.tar.xz,
> amq_5.16.0-SNAPSHOT.png, amq_5.8.0.png, amq_heap2.png, messageid_analysis.png
>
>
> Recently we upgraded from 5.8.0 to 5.15.3 on one of our environments and
> found the broker running out of memory with the old broker configurations.
> I suspect this may be related to the new inflight message size calculation
> but haven't been able to create a reproducer just yet.
> Broker JVM running with opts
> {code:java}
> -Xss256k -Xms600m -Xmx600m -Xmn128m -Dfile.encoding=ISO-8859-1
> -Dlog4j.watchDelay=60000 -XX:+PrintGCDetails -XX:+PrintGCTimeStamps
> -XX:+PrintGCDateStamps -XX:+PrintPromotionFailure -XX:PrintFLSStatistics=1
> -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+PrintClassHistogram -verbose:gc
> -Dsun.rmi.dgc.client.gcInterval=7200000
> -Dsun.rmi.dgc.server.gcInterval=7200000
> {code}
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