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https://issues.apache.org/jira/browse/HBASE-5293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195989#comment-13195989
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Nicolas Spiegelberg commented on HBASE-5293:
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+1 on adding a script to check for V1 HFiles & running a major compact on any
Stores that do
-1 on deprecating HFileV1 in code anytime soon. wasn't it just recently that
people were still running 0.20?
> Purge hfile v1 from code base
> -----------------------------
>
> Key: HBASE-5293
> URL: https://issues.apache.org/jira/browse/HBASE-5293
> Project: HBase
> Issue Type: Task
> Reporter: stack
>
> Remove all hfile v1 references from code base.
> If we do this though, as Matt Corgan suggests up on mailing list, we will
> need to make sure all hfile v1s in an hbase.rootdir have been compacted out
> of existence. We'll probably need to bump the hbase.version to indicate the
> check for hfile v1s has been run. A migration script will need to be run
> that checks the hbase.rootdir for hfile v1s and runs a major compaction if
> any found.
> I've not put a version on this issue.
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