metrics aggregation performance tuning

John Sanda jsanda at redhat.com
Wed Feb 5 03:53:16 UTC 2014


About a month ago I committed to master some performance enhancements for metrics aggregation. The worked is being tracked against this bug[1]. I found in recent testing that those changes can lead to OutOfMemoryErrors. I have addressed this issue in the branch[2] where I am doing the throttling work. I also wrote up a doc[3] that briefly explains the problem and how performance, including memory utilization, can be tuned.

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1009945
[2] https://git.fedorahosted.org/cgit/rhq/rhq.git/log/?h=jsanda/throttling
[3] https://docs.jboss.org/author/display/RHQ/Metrics+Aggregation+Performance+Tuning


- John
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