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https://issues.apache.org/jira/browse/HBASE-23634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17161939#comment-17161939
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Anoop Sam John commented on HBASE-23634:
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Every time we flush, we create the HFile in a tmp dir while the flush is
ongoing. At end as part of commit, we do atomic rename. So we will never have
a partially written HFile under CF. Here if we do write the HFiles directly
under thd CF, we have a chance that we will get to see a partially written
HFile. That is the point raised.
> Enable "Split WAL to HFile" by default
> --------------------------------------
>
> Key: HBASE-23634
> URL: https://issues.apache.org/jira/browse/HBASE-23634
> Project: HBase
> Issue Type: Task
> Affects Versions: 3.0.0-alpha-1, 2.3.0
> Reporter: Guanghao Zhang
> Priority: Blocker
> Fix For: 3.0.0-alpha-1, 2.4.0
>
>
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