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https://issues.apache.org/jira/browse/HBASE-20426?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang updated HBASE-20426:
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Attachment: HBASE-20426-HBASE-19064-v1.patch
> Give up replicating anything in S state
> ---------------------------------------
>
> Key: HBASE-20426
> URL: https://issues.apache.org/jira/browse/HBASE-20426
> Project: HBase
> Issue Type: Sub-task
> Components: Replication
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: HBASE-19064
>
> Attachments: HBASE-20426-HBASE-19064-v1.patch,
> HBASE-20426-HBASE-19064-v1.patch, HBASE-20426-HBASE-19064-v1.patch,
> HBASE-20426-HBASE-19064-v1.patch, HBASE-20426-HBASE-19064-v1.patch,
> HBASE-20426-HBASE-19064.patch, HBASE-20426-HBASE-19064.patch,
> HBASE-20426-HBASE-19064.patch, HBASE-20426-UT.patch
>
>
> When we transit the remote S cluster to DA, and then transit the old A
> cluster to S, it is possible that we still have some entries which have not
> been replicated yet for the old A cluster, and then the async replication
> will be blocked.
> And this may also lead to data inconsistency after we transit it to DA back
> later as these entries will be replicated again, but the new data which are
> replicated from the remote cluster will not be replicated back, which
> introduce a whole in the replication.
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