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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Random read operation about hundreds request per second
Date Fri, 07 Nov 2014 03:11:12 GMT
Can you provide a bit more information about your environment ?

hbase release
hadoop release
hardware config
heap size for the daemons

Cheers

On Thu, Nov 6, 2014 at 5:24 PM, zhiyuan yang <sjtu.yzy@gmail.com> wrote:

> Hi,
>
> I'm new to hbase. Several days ago I built an web service with hbase as
> backend.
> However, when I used ab benchmark to test the performance of read only
> wordload,
> the result was only hundreds request per second even hbase cache hit ration
> was 100%.
>
> The architecture of my system is as following. I use netty as web framework
> and use
> thrift to connect hbase. Netty handler uses connection pool to get the
> thrift connection,
> and send simple get query. Hbase is deployed on 1 master and 1 slave. The
> thrift server
> is opened on HMaster.
>
> I'm sure the problem doesn't lie in pooling, because if I just get
> connection without
> really using it in handler, and the result rps is several thousands. But I
> don't know where
> the bottleneck is exactly.
>
> Can anyone help me out? Really appreciate your help.
>
> --
>
> *Thank you && Best Regards,*
>
> *Zhiyuan Yang*
>

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