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From Shahab Yunus <shahab.yu...@gmail.com>
Subject Re: Forcibly merging regions
Date Fri, 14 Nov 2014 15:04:14 GMT
Related to this...can hbase.hregion.max.filesize setting prevent merging of
table regions? Or regions are merged anyway but they get split again during


On Fri, Nov 14, 2014 at 9:41 AM, Shahab Yunus <shahab.yunus@gmail.com>

> The documentation of online merge tool (merge_region) states that if we
> forcibly merge regions (by setting the 3rd attribute as true) then it can
> create overlapping regions. if this happens then will this render the
> region or table unusable or it is just a performance hit? I mean how bigger
> of a deal it is?
> Actually, we are merging regions using the programmatic API for this and
> setting this flag ('forcible') as false. But for some tables (we haven't
> figured out a pattern yet, data is still accessible), merge of regions do
> not happen at all. Afterwards we tried with this flag = true, and it still
> doesn't merge them.
> CDH 5.1.0
> (Hbase is 0.98.1-cdh5.1.0)
> Regards,
> Shahab

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