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https://issues.apache.org/jira/browse/PHOENIX-4323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16219720#comment-16219720
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Sergey Soldatov commented on PHOENIX-4323:
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Well, by design local index data should be stored in the same region all the
time. But it's quite interesting case when in the region there is room for a
single rowkey only. Ping [~rajeshbabu]
> LocalIndexes could fail if your data row is not in the same region as your
> index region
> ---------------------------------------------------------------------------------------
>
> Key: PHOENIX-4323
> URL: https://issues.apache.org/jira/browse/PHOENIX-4323
> Project: Phoenix
> Issue Type: Bug
> Reporter: churro morales
> Assignee: Vincent Poon
> Attachments: LocalIndexIT.java
>
>
> This is not likely to happen, but if this does your data table and index
> write will never succeed.
> In HRegion.doMiniBatchMutation()
> You create index rows in the preBatchMutate() then when you call checkRow()
> on that index row the exception will bubble up if the index row is not in the
> same region as your data row.
> Like I said this is unlikely, but you would have to do a region merge to fix
> this issue if encountered.
> [~vincentpoon] has a test which he will attach to this JIRA showing an
> example how this can happen. The write will never succeed unless you merge
> regions if this ever happens.
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