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https://issues.apache.org/jira/browse/HBASE-8104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13618963#comment-13618963
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Chris Trezzo commented on HBASE-8104:
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Ah I see.
> HBase consistency and availability after replication
> ----------------------------------------------------
>
> Key: HBASE-8104
> URL: https://issues.apache.org/jira/browse/HBASE-8104
> Project: HBase
> Issue Type: New Feature
> Affects Versions: 0.94.3
> Reporter: Brian Fu
> Priority: Critical
> Original Estimate: 336h
> Remaining Estimate: 336h
>
> HBase consistency and availability after replication
> Scene as follows:
> 1. There are two HBase clusters are the Master clusters and Slave Clusters.
> two clusters replication function is open.
> 2. if master cluster have problems, so all write and read request switching
> to the slave cluster.
> 3. After a period of time ,we need to switch back to the Master cluster,
> there will be a part of the data is inconsistent, lead to this part of the
> data is not available.
> This feature is particularly important for providing online services HBase
> cluster.
> So, I want through a write-back program to keep the data consistency, then to
> improve HBase availability.
> we will provide a patch for this function.
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