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From "Tsz Wo \(Nicholas\), Sze" <s29752-hadoop...@yahoo.com>
Subject Re: [VOTE] Commit HDFS-927 to both 0.20 and 0.21 branch?
Date Wed, 03 Feb 2010 07:12:55 GMT
+1
Nicholas Sze




----- Original Message ----
> From: Stack <stack@duboce.net>
> To: hdfs-dev@hadoop.apache.org
> Sent: Tue, February 2, 2010 10:22:50 PM
> Subject: [VOTE] Commit HDFS-927 to both 0.20 and 0.21 branch?
> 
> 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/hdfs-dev@hadoop.apache.org/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



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