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From yonghu <yongyong...@gmail.com>
Subject Re: single node's performance and cluster's performance
Date Thu, 03 Apr 2014 19:28:54 GMT
I think the right understanding of this is it will slow down the data query
processing. You can think the RS who hit a heady I/O as a hotspot node. It
will not slow down the whole cluster, it will only slow down the data
applications which access the data from that RS.


On Thu, Apr 3, 2014 at 3:58 AM, Libo Yu <yu_libo@hotmail.com> wrote:

> "having one such "slow" RS will make the whole cluster work slower
> (basically, at its speed)."
> http://blog.sematext.com/2012/07/16/hbase-memstore-what-you-should-know/
>
> From: yu_libo@hotmail.com
> To: user@hbase.apache.org
> Subject: single node's performance and cluster's performance
> Date: Wed, 2 Apr 2014 09:06:35 -0400
>
>
>
>
> Hi all,
>
> I read an  article yesterday about Hbase. It says if a region server
> has a performance hit by heavy IO, that will impact the whole cluster.
> So I want to know how a single node's performance issue will slow
> down all the cluster. Thanks.
>
> Libo
>
>
>

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