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From "Zheng Hu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-19782) Reject the replication request when peer is DA state
Date Fri, 12 Jan 2018 08:17:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-19782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16323685#comment-16323685
] 

Zheng Hu commented on HBASE-19782:
----------------------------------

If a table or namespace is in a  synchronous peer between  cluster A ( as active) and cluster
B ( as standby ),   then we should reject any replication entry (from both sync replication
and async replication ) whose table or namespace match the peer into cluster A (or cluster
B) when it's DA or A  state.  

> Reject the replication request when peer is DA state
> ----------------------------------------------------
>
>                 Key: HBASE-19782
>                 URL: https://issues.apache.org/jira/browse/HBASE-19782
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Replication
>            Reporter: Zheng Hu
>            Assignee: Zheng Hu
>             Fix For: 3.0.0
>
>
> According to the design doc,  we'll initialize  both of the cluster state to DA  after
added the bidirectional  replication path.   and when a cluster in DA state, it'll reject
replication request.   
> so for cluster A and B in state DA,  if any received replication entry whose table or
namespace match the peer,    the cluster will  skip to apply into its local rs.  



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