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https://issues.apache.org/jira/browse/HBASE-5943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13482128#comment-13482128
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Lars Hofhansl commented on HBASE-5943:
--------------------------------------
In my testing with HBase I have found a scenario similar to that described in
HADOOP-8069.
So maybe my assigning this to actual releases was premature.
Neither setting is better than the other in all cases. I do find many more
"strange anomalies" with Nagles left on, though.
> Set tcpnodelay as default
> -------------------------
>
> Key: HBASE-5943
> URL: https://issues.apache.org/jira/browse/HBASE-5943
> Project: HBase
> Issue Type: Improvement
> Reporter: stack
> Assignee: stack
> Fix For: 0.94.3, 0.96.0
>
> Attachments: nodelay.txt
>
>
> From IRC:
> {code}
> 14:46 < tlipcon> i turned off the FirstKeyOnlyFilter on the shell count
> command
> 14:46 < tlipcon> thgouhtput dropped like carzy... looked at strace, and saw
> 40ms delays
> 14:46 < tlipcon> turned on ipc.server.nodelay or whaever and it got fast again
> 14:46 < tlipcon> we should really ship that by default on
> 14:46 < tlipcon> there are probably people getting screwed by it
> {code}
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