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https://issues.apache.org/jira/browse/HBASE-3?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12566263#action_12566263
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stack commented on HBASE-3:
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After chatting on IRC, we'll go w/ the targetted patch and open another issue
to add logging, etc.
+1 on 3.patch after review.
> rest server: configure number of threads for jetty
> --------------------------------------------------
>
> Key: HBASE-3
> URL: https://issues.apache.org/jira/browse/HBASE-3
> Project: Hadoop HBase
> Issue Type: Bug
> Components: rest
> Reporter: Michael Bieniosek
> Fix For: 0.2.0
>
> Attachments: 3.patch, hbase-4.patch
>
>
> I am running a mapreduce job (~400 simultaneous map tasks) that makes random
> reads from hbase. I have put a varnishd reverse proxy cache in front of a
> single rest server. The single rest server's jetty appears to be running out
> of threads:
> 2008-02-01 23:17:16,971 INFO org.mortbay.http.SocketListener: LOW ON THREADS
> ((256-256+1)<2) on [EMAIL PROTECTED]:61234
> 2008-02-01 23:17:17,116 WARN org.mortbay.http.SocketListener: OUT OF THREADS:
> [EMAIL PROTECTED]:61234
> 2008-02-01 23:17:19,255 INFO org.mortbay.http.SocketListener: LOW ON THREADS
> ((256-256+1)<2) on [EMAIL PROTECTED]:61234
> The default for jetty is to use a thread pool of 256 threads. But I'd like
> to be able to specify (preferably in hadoop-site.xml) how large the thread
> pool should be -- in this case it needs to have as many threads as I have
> simultaneous map tasks.
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