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https://issues.apache.org/jira/browse/HBASE-18946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16194151#comment-16194151
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ramkrishna.s.vasudevan edited comment on HBASE-18946 at 10/6/17 5:19 AM:
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[~huaxiang]
Thanks for the update. Great that you already feel this change will solve the
problem. I was checking this issue but got pulled to something else. Will be
back here and to check your suggestion. And yes we need to check all related
areas and also other related branches.
was (Author: ram_krish):
[~huaxiang]
Thanks for the update. Great that you already feel this change will solve the
problem. I was checking this issue but got pulled to something else. Will be
back here and to check your suggestion. And yes we need to check all related
areas and also other related branches also.
> Stochastic load balancer assigns replica regions to the same RS
> ---------------------------------------------------------------
>
> Key: HBASE-18946
> URL: https://issues.apache.org/jira/browse/HBASE-18946
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0-alpha-3
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Fix For: 2.0.0-beta-1
>
> Attachments: TestRegionReplicasWithRestartScenarios.java
>
>
> Trying out region replica and its assignment I can see that some times the
> default LB Stocahstic load balancer assigns replica regions to the same RS.
> This happens when we have 3 RS checked in and we have a table with 3
> replicas. When a RS goes down then the replicas being assigned to same RS is
> acceptable but the case when we have enough RS to assign this behaviour is
> undesirable and does not solve the purpose of replicas.
> [~huaxiang] and [~enis].
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