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https://issues.apache.org/jira/browse/HBASE-20573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16477421#comment-16477421
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Sean Busbey commented on HBASE-20573:
-------------------------------------
I think we should wait for HBASE-20592 to land before updating this section.
That way we can include command examples for both "make sure you haven't used
prefix tree encoding" as well as "remove it and do a compaction"
> Add to prefix-tree removal section in upgrade doc, how to undo dependency
> before upgrade
> ----------------------------------------------------------------------------------------
>
> Key: HBASE-20573
> URL: https://issues.apache.org/jira/browse/HBASE-20573
> Project: HBase
> Issue Type: Bug
> Components: documentation
> Reporter: stack
> Assignee: Peter Somogyi
> Priority: Major
> Fix For: 2.0.1
>
> Attachments: HBASE-20573.master.001.patch
>
>
> Add a note to upgrade section that user has to undo dependency on prefix-tree
> before they upgrade to hbase2.
> To get over prefix-encoding, you need to do the below before upgrade (From
> [~appy])
> 1. Change the encoding to something other than PREFIX_TREE and which is
> supported by hbase2
> 2. Major ompact the tables which were changed so they are rewritten into the
> new encoding.
> 3. Retry upgrade
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