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https://issues.apache.org/jira/browse/ACCUMULO-798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Newton resolved ACCUMULO-798.
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Resolution: Fixed
fixed in r1396758 for 1.4 and r1396760 in 1.5 (trunk)
> large ParNew can cause long-term stop-the-world java GC
> -------------------------------------------------------
>
> Key: ACCUMULO-798
> URL: https://issues.apache.org/jira/browse/ACCUMULO-798
> Project: Accumulo
> Issue Type: Bug
> Components: tserver
> Affects Versions: 1.4.1
> Environment: running a tserver with a very large memory foot-print
> (16G)
> Reporter: Eric Newton
> Assignee: Eric Newton
> Priority: Trivial
> Fix For: 1.4.2
>
>
> While running a tserver with 16G of JVM memory, under continuous ingest, a
> ParNew collection took longer than 40 seconds. This happened on two
> different servers (out of 40) after performing continuous ingest for more
> than 20 hours.
> Limiting the ParNew generation to 2G, and never saw this failure again.
> Recommend this setting in the examples, even though none of the examples
> approaches this memory size.
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