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HDFS >> mail # dev >> [VOTE] Commit HDFS-927 to both 0.20 and 0.21 branch?


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Stack 2010-02-03, 06:22
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Tsz Wo \ 2010-02-03, 07:12
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Eli Collins 2010-02-03, 18:16
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Todd Lipcon 2010-02-03, 19:15
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Tsz Wo \ 2010-02-04, 21:30
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Todd Lipcon 2010-02-08, 19:26
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Stack 2010-02-09, 01:09
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RE: [VOTE] Commit HDFS-927 to both 0.20 and 0.21 branch?
+1

   - Andy

---------- Forwarded message ----------
From: Stack <[EMAIL PROTECTED]>
Date: Tue, Feb 2, 2010 at 10:22 PM
Subject: [VOTE] Commit HDFS-927 to both 0.20 and 0.21 branch?
To: [EMAIL PROTECTED]
I'd like to open a vote on committing HDFS-927 to both hadoop branch
0.20 and to 0.21.

HDFS-927 "DFSInputStream retries too many times for new block
location" has an odd summary but in short, its a better HDFS-127
"DFSClient block read failures cause open DFSInputStream to become
unusable".  HDFS-127 is an old, popular issue that refuses to die.  We
voted on having it committed to the 0.20 branch not too long ago, see
http://www.mail-archive.com/[EMAIL PROTECTED]/msg00401.html,
only it broke TestFsck (See http://su.pr/1nylUn) so it was reverted.

High-level, HDFS-127/HDFS-927 is about fixing DFSClient so it a good
read cleans out the failures count (Previous failures 'stuck' though
there may have been hours of successful reads in betwixt).  When
rolling hadoop 0.20.2 was proposed, a few fellas including myself
raised a lack of HDFS-127 as an obstacle.

HDFS-927 has been committed to TRUNK.

I'm +1 on committing to 0.20 and to 0.21 branches.

Thanks for taking the time to take a look into this issue.
St.Ack
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB