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https://issues.apache.org/jira/browse/HBASE-23573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16995327#comment-16995327
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Sean Busbey commented on HBASE-23573:
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The client isn't supposed to be notified until after the WAL sync. Where are
you seeing it do otherwise?
> can not guarantee consistency.
> ------------------------------
>
> Key: HBASE-23573
> URL: https://issues.apache.org/jira/browse/HBASE-23573
> Project: HBase
> Issue Type: Bug
> Components: wal
> Affects Versions: 2.1.5
> Reporter: 刘本龙
> Priority: Major
>
> wal sync has not exe, but has notified thread . if RegionServer halt，such as
> Power off. the client think the write was successful, but the write failed.
> the data writed into memstore is loss , wal has not data too。
>
>
>
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