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From Jean-Marc Spaggiari <jean-m...@spaggiari.org>
Subject Re: HBase wont responding when one region server goes down
Date Mon, 28 Oct 2013 19:55:31 GMT
Hi Sandeep,

Do you have more information regarding your cluster? Number of nodes,
hadoop version, what is "not responding", etc.?

Thanks,

JM


2013/10/28 Asaf Mesika <asaf.mesika@gmail.com>

> If your query (scan) needs a region on the failed region server, the client
> will fail and silently retry about 10 times. The sleep time increase as
> each retry fails and can reach 10min. On the server side, the master takes
> 3min to realize the RS failed thus issue a region move, which might take a
> few minutes, which together explain the 10min query failure period
>
> On Monday, October 28, 2013, Sandeep L wrote:
>
> > Hi,
> > We are using HBase 0.94.1.
> > We are facing a strange issue form long time not at got any proper
> > solution.
> > Here is the issue:Whenever one region server in cluster goes down, whole
> > HBase wont respond for some time (around 5 to 10 minutes).We are unable
> to
> > get any clue about the issue.
> >
> > Can some help us to resolve this issue.
> >
> > Thanks,Sandeep.
>

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