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From Heng Chen <heng.chen.1...@gmail.com>
Subject Re: why Hbase only split regions in one RegionServer
Date Wed, 16 Mar 2016 04:17:24 GMT
bq. the table I created by default having only one region

Why not pre-split table into more regions when create it?

2016-03-16 11:38 GMT+08:00 Ted Yu <yuzhihong@gmail.com>:

> When one region is split into two, both daughter regions are opened on the
> same server where parent region was opened.
>
> Can you provide a bit more information:
>
> release of hbase
> whether balancer was turned on - you can inspect master log to see if
> balancer was on
>
> Consider pastebinning portion of master log.
>
> Thanks
>
> On Tue, Mar 15, 2016 at 4:43 PM, jackwang <wangjiajie917@gmail.com> wrote:
>
> > I was writing 300GiB data to my Hbase table user_info, the table I
> created
> > by
> > default having only one region. When the writing was going I saw one
> region
> > became two regions and more late on it became 8 regions. But my confusion
> > is
> > that the 8 regions were kept in the same RegionServer.
> >
> > Why Hbase didn't split the regions to different RegionServer. btw, I had
> 10
> > physical RegionsServers in my Hbase cluster, and the region size I set is
> > 20GiB, Thanks!
> >
> >
> >
> > --
> > View this message in context:
> >
> http://apache-hbase.679495.n3.nabble.com/why-Hbase-only-split-regions-in-one-RegionServer-tp4078497.html
> > Sent from the HBase User mailing list archive at Nabble.com.
> >
>

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