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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9333) hbase.hconnection.threads.max should not be configurable else you get RejectedExecutionException
Date Tue, 24 Sep 2013 17:44:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13776543#comment-13776543
] 

Jean-Daniel Cryans commented on HBASE-9333:
-------------------------------------------

hbase org.apache.hadoop.hbase.PerformanceEvaluation --nomapred --rows=250000 randomRead 16

10k regions, 5 RS.

I tested HBASE-9609 and it does seem to make a huge difference!
                
> hbase.hconnection.threads.max should not be configurable else you get RejectedExecutionException
> ------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-9333
>                 URL: https://issues.apache.org/jira/browse/HBASE-9333
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.95.2
>            Reporter: Jean-Daniel Cryans
>            Assignee: Elliott Clark
>            Priority: Critical
>             Fix For: 0.98.0, 0.96.0
>
>         Attachments: 9333.v1.patch, HBASE-9333-0.patch, HBASE-9333-1.patch, HBASE-9333-2.patch
>
>
> Trying to set hbase.hconnection.threads.max to a lower number than its default of Integer.MAX_VALUE
simply results in a RejectedExecutionException when the max is reached. It seems there's no
good reason to keep this configurable.

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