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https://issues.apache.org/jira/browse/HBASE-20432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16441796#comment-16441796
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Guanghao Zhang commented on HBASE-20432:
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As we don't have a cross-cluster procedure to handle this, so if we decide
remove the remote wals dir when remove peer on remote cluster, we need add
clear document for this operation. If user remove a peer in active cluster and
add it back again, it will be wrong......
> Cleanup related resources when remove a sync replication peer
> -------------------------------------------------------------
>
> Key: HBASE-20432
> URL: https://issues.apache.org/jira/browse/HBASE-20432
> Project: HBase
> Issue Type: Sub-task
> Reporter: Zheng Hu
> Assignee: Zheng Hu
> Priority: Major
>
> When remove a sync replication peer, we should clean:
> 1. the SyncReplicationState in zookeeper or table.
> 2. Remote WALs & Remote WALs directory in peer clusters.
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