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From Heng Chen <heng.chen.1...@gmail.com>
Subject Re: Is there any way to release rpc handler when all handlers are occupied by big request.
Date Wed, 15 Jun 2016 02:53:36 GMT
My HBase version is 0.98.17.

My key point is that should we supply one tool which could kill big request
just like mysql kill slow query?

2016-06-15 1:50 GMT+08:00 Esteban Gutierrez <esteban@cloudera.com>:

> Hi Heng,
>
> That sound like some issue from older versions from HBase. Can you please
> give us a little more of details? like which version of  HBase are you
> using and a stack dump from the RS?
>
> cheers,
> esteban.
>
>
> --
> Cloudera, Inc.
>
>
> On Mon, Jun 13, 2016 at 8:35 PM, Heng Chen <heng.chen.1986@gmail.com>
> wrote:
>
> > Currently,  we found sometimes our RS handlers were occupied by some big
> > request. For example, when handlers  read one same big block from hdfs
> > simultaneously,  all handlers will wait, except one handler do read block
> > from hdfs and put it in cache, and other handlers will read the block
> from
> > cache.  At this time, RS fall in stuck mode.  And i have to restart the
> RS
> > to recover.
> >
> >
> > Is there any way i can release the handlers and reject the same request?
> >
>

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