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HDFS >> mail # dev >> VOTE: HDFS-347 merge


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Re: VOTE: HDFS-347 merge
Hi Colin,

The latest HDFS-347 patch was posted on Feb 16.  Because of the long weekends, I still do not have a chance to check it.  Will do it in this week.

Nicholas
________________________________
 From: Colin McCabe <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Sunday, February 17, 2013 1:48 PM
Subject: VOTE: HDFS-347 merge
 
Hi all,

I would like to merge the HDFS-347 branch back to trunk.  It's been
under intensive review and testing for several months.  The branch
adds a lot of new unit tests, and passes Jenkins as of 2/15 [1]

We have tested HDFS-347 with both random and sequential workloads. The
short-circuit case is substantially faster [2], and overall
performance looks very good.  This is especially encouraging given
that the initial goal of this work was to make security compatible
with short-circuit local reads, rather than to optimize the
short-circuit code path.  We've also stress-tested HDFS-347 on a
number of clusters.

This iniial VOTE is to merge only into trunk.  Just as we have done
with our other recent merges, we will consider merging into branch-2
after the code has been in trunk for few weeks.

Please cast your vote by EOD Sunday 2/24.

best,
Colin McCabe

[1] https://issues.apache.org/jira/browse/HDFS-347?focusedCommentId=13579704&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13579704

[2] https://issues.apache.org/jira/browse/HDFS-347?focusedCommentId=13551755&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13551755