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https://issues.apache.org/jira/browse/HBASE-5699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14089418#comment-14089418
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Anoop Sam John commented on HBASE-5699:
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My idea is like to make a multi WAL impl which helps write throughput as well
as MTTR. The MTTR when we have the distributed log replay mode. If we can
make sure to have region grouping policy in selecting the regions for a WAL in
multi WAL area, we can try max to allocate all those regions to same RS on
crash. So this RS can read this WAL and replay locally. The distributed log
replay batch calls has not to go over RPC .. Lots of Qs and corner cases
there. But we can discuss more on and try to make it better.
> Run with > 1 WAL in HRegionServer
> ---------------------------------
>
> Key: HBASE-5699
> URL: https://issues.apache.org/jira/browse/HBASE-5699
> Project: HBase
> Issue Type: Improvement
> Components: Performance
> Reporter: binlijin
> Assignee: Li Pi
> Priority: Critical
> Attachments: PerfHbase.txt
>
>
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