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From "Michael Stack (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-23286) Improve MTTR: Split WAL to HFile
Date Mon, 13 Jan 2020 18:35:01 GMT

     [ https://issues.apache.org/jira/browse/HBASE-23286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Stack resolved HBASE-23286.
-----------------------------------
    Resolution: Fixed

Resolving. No problem.

Will file issues elsewhere (e.g. HBASE-23684).


> Improve MTTR: Split WAL to HFile
> --------------------------------
>
>                 Key: HBASE-23286
>                 URL: https://issues.apache.org/jira/browse/HBASE-23286
>             Project: HBase
>          Issue Type: Improvement
>          Components: MTTR
>    Affects Versions: 3.0.0, 2.3.0
>            Reporter: Guanghao Zhang
>            Assignee: Guanghao Zhang
>            Priority: Major
>             Fix For: 3.0.0, 2.3.0
>
>
> After HBASE-20724, the compaction event marker is not used anymore when failover. So
our new proposal is split WAL to HFile to imporve MTTR. It has 3 steps:
>  # Read WAL and write HFile to region’s column family’s recovered.hfiles directory.
>  # Open region.
>  # Bulkload the recovered.hfiles for every column family.
> The design doc was attathed by a google doc. Any suggestions are welcomed.



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