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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-3186) Patch that disables pread
Date Mon, 21 Feb 2011 03:34:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12997267#comment-12997267

Andrew Purtell commented on HBASE-3186:

bq. also HDFS-347 is really promising as well and avoids this.

Concur. I've seen early indications of major throughput and latency improvements with the
0.20-append version of this patch ported to CDH3B3 with no indications of instability.


> Patch that disables pread
> -------------------------
>                 Key: HBASE-3186
>                 URL: https://issues.apache.org/jira/browse/HBASE-3186
>             Project: HBase
>          Issue Type: Task
>            Reporter: stack
>         Attachments: 3006-3185-patch-to-0.20.6.txt, disable_read.txt
> Make a patch to disable pread to see if pread is responsible for growing number of established
connections seen on the mozilla cluster

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