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https://issues.apache.org/jira/browse/HBASE-11219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14004970#comment-14004970
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Andrew Purtell commented on HBASE-11219:
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Did you GC before the jmap? Anyway, +1, it's an improvement in any case.
> HRegionServer#createRegionLoad() should reuse RegionLoad.Builder instance
> when called in a loop
> -----------------------------------------------------------------------------------------------
>
> Key: HBASE-11219
> URL: https://issues.apache.org/jira/browse/HBASE-11219
> Project: HBase
> Issue Type: Improvement
> Reporter: Ted Yu
> Assignee: Ted Yu
> Fix For: 0.99.0, 0.98.3
>
> Attachments: 11219-v1.txt, 11219-v2.txt
>
>
> As Andrew showed in the attachment to HBASE-11165,
> ClusterStatusProtos$RegionLoad$Builder took 25MB heap space.
> buildServerLoad() calls createRegionLoad() for each region on the region
> server.
> One instance of ClusterStatusProtos$RegionLoad$Builder can be created outside
> the loop and passed to createRegionLoad().
> Thanks Andrew for the finding.
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