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https://issues.apache.org/jira/browse/HBASE-1726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12737351#action_12737351
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stack commented on HBASE-1726:
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Leaving in 0.20.0.  I don't think this enough to sink the 0.20.0 RC.   Can 
apply to head of the 0.20.0 branch and those who need it can update to catch 
this fixup.

> Migration to 0.20 looses index information from HTableDescriptor
> ----------------------------------------------------------------
>
>                 Key: HBASE-1726
>                 URL: https://issues.apache.org/jira/browse/HBASE-1726
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: contrib
>            Reporter: Clint Morgan
>             Fix For: 0.20.0
>
>
> In 0.19 index info was stored as a private field, and written specially in 
> the Writable impl of HTD. In 0.20 it is stored in the general values map 
> under the key "INDEXES". So migration needs to read in the old HTD format, 
> and store the indexes in the values map. I wrote a quick standalone thing to 
> do this. Can someone point me where to plug this into general migration 
> process?

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