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https://issues.apache.org/jira/browse/HBASE-9267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-9267:
--------------------------
Attachment: (was: 9267-suggest-2.patch)
> StochasticLoadBalancer goes over its processing time limit
> ----------------------------------------------------------
>
> Key: HBASE-9267
> URL: https://issues.apache.org/jira/browse/HBASE-9267
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.95.2
> Reporter: Jean-Daniel Cryans
> Assignee: Elliott Clark
> Fix For: 0.98.0, 0.95.3
>
> Attachments: HBASE-9267-0.patch, HBASE-9267-1.patch,
> HBASE-9267-2.patch
>
>
> I trying out 0.95.2, I left it running over the weekend (8 RS, average load
> between 12 and 3 regions) and right now the balancer runs for 12 mins:
> bq. 2013-08-19 21:54:45,534 DEBUG
> [jdec2hbase0403-1.vpc.cloudera.com,60000,1376689696384-BalancerChore]
> org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer: Could not
> find a better load balance plan. Tried 0 different configurations in
> 777309ms, and did not find anything with a computed cost less than
> 36.32576937689094
> It seems it slowly crept up there, yesterday it was doing:
> bq. 2013-08-18 20:53:17,232 DEBUG
> [jdec2hbase0403-1.vpc.cloudera.com,60000,1376689696384-BalancerChore]
> org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer: Could not
> find a better load balance plan. Tried 0 different configurations in
> 257374ms, and did not find anything with a computed cost less than
> 36.3251082542424
> And originally it was doing 1 minute.
> In the jstack I see a 1000 of these and jstack doesn't want to show me the
> whole thing:
> bq. at java.util.SubList$1.nextIndex(AbstractList.java:713)
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