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https://issues.apache.org/jira/browse/HBASE-26199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17403176#comment-17403176
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Anoop Sam John commented on HBASE-26199:
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These are due to bugs in 2.x initial versions. There a bunch of such bugs.
These are around the CompactedHFilesDischarger feature added in 2.x. I dont
have a list of jiras. We use 2.1.6 version where I believe all of these are
fixed.
These bugs cause some of the already compacted away files not to get deleted
and when cluster is restarted, those came back to system. Well when these are
HFiles for META table, this will cause regions from deleted tables and already
split regions to come back.
Pls try upgrade the HBase version (preferably 2.3.x) so that you wont see such
issues at all..
> hbck2 should support remove deleted meta region
> -----------------------------------------------
>
> Key: HBASE-26199
> URL: https://issues.apache.org/jira/browse/HBASE-26199
> Project: HBase
> Issue Type: Bug
> Components: hbase-operator-tools, hbck2
> Reporter: mengqi
> Priority: Major
>
> A large number of regions of deleted tables will enter rit when hbase2.x
> restarts， and these region will also appear on hbck web page, we just delete
> these region in meta table，and change active master。
> here is my request: [pull
> request|https://github.com/apache/hbase-operator-tools/pull/81]
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