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https://issues.apache.org/jira/browse/HBASE-20649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16490726#comment-16490726
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Peter Somogyi commented on HBASE-20649:
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I started to work on a MapReduce job that could go through the HFiles but
HFileInputFormat cannot be used there because it will throw an Exception in
setup phase about the unknown PREFIX_TREE DataBlockEncoding in HBase2.0.
I'm open for recommendations how we could solve this issue.
> Validate HFiles do not have PREFIX_TREE DataBlockEncoding
> ---------------------------------------------------------
>
> Key: HBASE-20649
> URL: https://issues.apache.org/jira/browse/HBASE-20649
> Project: HBase
> Issue Type: New Feature
> Reporter: Peter Somogyi
> Assignee: Peter Somogyi
> Priority: Minor
>
> HBASE-20592 adds a tool to check column families on the cluster do not have
> PREFIX_TREE encoding.
> Since it is possible that DataBlockEncoding was already changed but HFiles
> are not rewritten yet we would need a tool that can verify the content of
> hfiles in the cluster.
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