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From Ted Yu <yuzhih...@gmail.com>
Subject Re: HBase table region size
Date Mon, 07 Sep 2015 12:59:47 GMT
For the 96 region table, region size is too small. 

In production, I have seen region size as high as 50GB. 

FYI



> On Sep 7, 2015, at 2:55 AM, Akmal Abbasov <akmal.abbasov@icloud.com> wrote:
> 
> Hi,
> I would like to know about pros and cons against small region sizes.
> Currently I have cluster with 5 nodes, which serve 5 tables, but there are ~80 regions
per node, while actual data(total size of all hstores) is ~50GB.
> Isn’t it an overhead, since there is a table which is ~30MB which has 96 regions.
> I was thinking about merging regions, because of overhead for managing them(metadata,
memstore per region, more flushes, more compactions).
> Any suggestions? What is the avg region size in your case?
> 
> Thanks.
> 
> 

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