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From Juraj jiv <fatcap....@gmail.com>
Subject Re: Hbase region count and RS count for 2TB+
Date Fri, 15 Aug 2014 09:08:09 GMT
Hi,
size 2.2TB i got from cmd "hdfs dfs -du -h /hbase/data"

So i think yes, 650MB per RS. If its small then why hbase created so many
regions?

Thanks
JV


On Fri, Aug 15, 2014 at 9:51 AM, Mikhail Antonov <olorinbant@gmail.com>
wrote:

> So you have 3200 regions in total, and that means each region is about
> 650mb in size only (if you have 2.2 Tb in total), unless I'm missing
> something? If that's the case your regions are probably way too small.
>
> -Mikhail
>
>
> 2014-08-15 0:44 GMT-07:00 Juraj jiv <fatcap.jiv@gmail.com>:
>
> > Hi all,
> > i read in documentation that max region count per region server should be
> > around 200. I unfortunately have currently 800 regions for RS.
> > Those tables are not presplitted (all handled by hbase), does manual
> > spliting helps in this case? hdfs fodler /hbase/data currently hold
> around
> > 2.2TB of data and i have 4 region servers, is it enough or i need more
> RS?
> >
> > Also will Hbase compact these tables automatically to have less regions?
> >
> > Hbase version 0.96.1.1-cdh5.0.1
> > Thanks for any guidance.
> >
> > JV
> >
>
>
>
> --
> Thanks,
> Michael Antonov
>

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