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https://issues.apache.org/jira/browse/HBASE-17983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15992632#comment-15992632
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WangYuan commented on HBASE-17983:
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Thank you.
I read HBASE-8410, It's a good issue,but I understand issue's point of view is
different.
One is the RegionServer level to control average Region number, one is the
overall control of the NameSpace level.
For example: in our cluster RegionServer average load of Region increased from
200 then 500 then 1000, single read and write performance will increase from
5ms then 10ms then 100ms. I don't want to go down.
But HBASE-8410 should not explain the relationship between RegionServer and
Region numbers in it .
Because the number of RegionServer nodes can be increased (When data increases
or table numbers increases), I want to control the average number of region
load ,rather than total table numbers or region numbers.
> control region numbers when create table to improve performance
> ---------------------------------------------------------------
>
> Key: HBASE-17983
> URL: https://issues.apache.org/jira/browse/HBASE-17983
> Project: HBase
> Issue Type: Improvement
> Components: Admin, Client
> Affects Versions: 2.0.0
> Reporter: WangYuan
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments:
> HBASE-17983-control-region-numbers-when-create-table.patch
>
>
> I found that with the increasing number of regions in every RegionServer ,
> HBase read and write performance decreased, and failed to achieve the desired
> performance. Therefore, we hope to control the number of regions in every
> RegionServer , and add the judgment before creating tables.
> I can set up a region parameter in hbase-default.xml,
> hbase.client.region.averageload.numbers, when the client builds a table that
> exceeds the value of this parameter, throws an exception.
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