[jira] [Created] (AMQ-6940) Significant memory footprint increase from 5.8.0 to 5.15.3

["Johno Crawford (JIRA)" <ji...@apache.org>]

Johno Crawford created AMQ-6940:
-----------------------------------

             Summary: 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

JVM opts -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
            Reporter: Johno Crawford
         Attachments: activemq.xml, 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.



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