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https://issues.apache.org/jira/browse/HBASE-23634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17161282#comment-17161282
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Bo Cui commented on HBASE-23634:
--------------------------------
i think:
1、yes，hfiles can cause the #files under CF to reach blocking store files.
2、write is not affected， small hfile of recovered.hfile can not load into the
store， because recovered.hfile will be deleted soon by compaction
3、bad performance read， if recovered.hfile has small hfile， scanner contains
default hfile and small hfile， so we can not need bulkload recovered.hfile
during openRegion
4、recovered.hfile has small hfile， region can not split and merge
5、delete corrupt recovered.hfile during openRegion
> 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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