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From Сергей Казаков <ss.f...@gmail.com>
Subject Re: HDFS-8867 Patch
Date Tue, 26 Jan 2016 12:16:29 GMT
Thank you for your response, Kihwal!

I've decided to apply the patch and rebuild 2.7.1. Is there any way to
verify the patch has been applied successfully and new block report format
is being used? Maybe, some specific messages in logs?

2016-01-25 21:32 GMT+05:00 Kihwal Lee <kihwal@yahoo-inc.com.invalid>:

> 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
>
>
>
>



-- 
Kind regards,
Sergey Kazakov

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