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https://issues.apache.org/jira/browse/HBASE-10576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14123280#comment-14123280
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Jeffrey Zhong commented on HBASE-10576:
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[~rajesh23]
{quote}
is this approach fine for you?
{quote}
I skimmed through the patch and basic idea looks good to me. Thanks.
For stack's question
{quote}
I turn on this feature for a table? Or is it for whole cluster?
{quote}
In my opinion, it's better to turn on/off the feature in a table level because
regions are always in changing state like split/merge. In addition, the feature
requires 'shadow' region has the same boundary of the prime region. It's may be
hard to turn on the feature for each individual region.
> Custom load balancer to co-locate the regions of two tables which are having
> same split keys
> --------------------------------------------------------------------------------------------
>
> Key: HBASE-10576
> URL: https://issues.apache.org/jira/browse/HBASE-10576
> Project: HBase
> Issue Type: Sub-task
> Components: Balancer
> Reporter: rajeshbabu
> Assignee: rajeshbabu
> Attachments: HBASE-10536_v2.patch, HBASE-10576.patch,
> HBASE-10576_shadow_regions_wip.patch
>
>
> To support local indexing both user table and index table should have same
> split keys. This issue to provide custom balancer to colocate the regions of
> two tables which are having same split keys.
> This helps in Phoenix as well.
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