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https://issues.apache.org/jira/browse/HBASE-4797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-4797:
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Status: Open (was: Patch Available)
> [availability] Skip recovered.edits files with edits we know older than what
> region currently has
> -------------------------------------------------------------------------------------------------
>
> Key: HBASE-4797
> URL: https://issues.apache.org/jira/browse/HBASE-4797
> Project: HBase
> Issue Type: Bug
> Components: performance
> Reporter: stack
> Assignee: Jimmy Xiang
> Priority: Critical
> Labels: noob
> Fix For: 0.94.0
>
> Attachments: 0001-HBASE-4797-[availability]-skip-older-edits.patch,
> 0001-HBASE-4797-[availability]-skip-older-edits.patch,
> 0001-HBASE-4797-availability-skip-files-with-edits-we-kno.patch
>
>
> Testing 0.92, I crashed all servers out. Another bug makes it so WALs are
> not getting cleaned so I had 7000 regions to replay. The distributed split
> code did a nice job and cluster came back but interesting is that some hot
> regions ended up having loads of recovered.edits files -- tens if not
> hundreds -- to replay against the region (can we bulk load recovered.edits
> instead of replaying them?). Each recovered.edits file is taking about a
> second to process (though only about 30 odd edits per file it seems). The
> region is unavailable during this time.
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