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From Kihwal Lee <kih...@yahoo-inc.com.INVALID>
Subject Re: HDFS-8867 Patch
Date Mon, 25 Jan 2016 16:32:51 GMT
Sergey,
The release 2.7.2 is being voted on. It should get released very soon.The patch applies to
2.7.1 cleanly, so you could try it, if you can do build and dist on your own.

Thanks,Kihwal

 

      From: Сергей Казаков <ss.fl1x@gmail.com>
 To: hdfs-dev@hadoop.apache.org 
 Sent: Monday, January 25, 2016 12:35 AM
 Subject: HDFS-8867 Patch
   
Hi everyone!


I've noticed HDFS-8867 issue has been resolved, and it would probably fix
one of issues with our HDFS installation. We're running cluster on 2.7.1
and with average 400K blocks per node we experience massive GC pauses right
after BlockReport has been sent. Every reasonable GC tuning was already
tried to be made with no effect.

My question is: when are you planning to release 2.7.2 target version
patching this issue and can this patch be safely applied to 2.7.1 release
distrib?

Kind regards,
Sergey Kazakov


  
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