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From Anoop John <anoop.hb...@gmail.com>
Subject Re: performance difference between observer and endpoint
Date Tue, 29 Dec 2015 07:20:42 GMT
Mind sharing some more details like what exactly u are trying to do with
these scans?  How is this observers look like and the EPs.  What abt more
bigger range scans?  Any perf diff?


On Mon, Dec 28, 2015 at 11:49 AM, hongbin ma <mahongbin@apache.org> wrote:

> hi experts,
> we're working on using observer/endpoint to visit hbase rows. During our
> experiments we found that for *small interval scans* (where the scan range
> is within a single region, and the scan range contains only tens/hundreds
> of rows), observer is times faster than endpoint. Our question is, for
> *small
> interval scans, *is observer naturally a better choice than endpoint?
> I do know how to use these two coprocessors, however I'm not quite clear
> about the fundamental difference of them that might lead to performance
> gap. Any documentations or insights are greatly appreciated.
> --
> Regards,
> *Bin Mahone | 马洪宾*
> Apache Kylin: http://kylin.io
> Github: https://github.com/binmahone

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