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https://issues.apache.org/jira/browse/HBASE-14457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yu Li resolved HBASE-14457.
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Resolution: Fixed
Seems no more comments. Since all sub-tasks done and doc uploaded, close this
umbrella JIRA as fixed. Thanks all for review.
> Umbrella: Improve Multiple WAL for production usage
> ---------------------------------------------------
>
> Key: HBASE-14457
> URL: https://issues.apache.org/jira/browse/HBASE-14457
> Project: HBase
> Issue Type: Umbrella
> Reporter: Yu Li
> Assignee: Yu Li
> Fix For: 2.0.0, 1.3.0
>
> Attachments: Action in Multiple WAL.pdf, Action in Multiple WAL.pdf
>
>
> HBASE-5699 proposed the idea to run with multiple WAL in regionserver and did
> a great initial work there, but when trying to use it in our production
> cluster, we still found several issues to resolve, like tracking multiple WAL
> paths in replication (HBASE-6617), fixing UT with multiwal provider
> (HBASE-14411), introducing a namespace-based strategy for
> RegionGroupingProvider (HBASE-14456), etc. This is an umbrella including(but
> not limited of) all these works and efforts to make multiple wal ready for
> production usage and give user a clear picture about it.
> Besides the developing works done, I'd also like to share some scenarios and
> testing/online data in this JIRA about our usage/performance of multiple wal,
> to(hopefully) help people better judge whether to enable multiple wal or not
> in their own cluster and what they might gain.
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