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https://issues.apache.org/jira/browse/PHOENIX-4742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16479828#comment-16479828
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Sergey Soldatov commented on PHOENIX-4742:
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That happens because of the changes in flters in HBase 1.4 and 2.0. Somehow the
matcher instead of SEEK_NEXT_ROW keeps returning SEEK_NEXT_USING_HINT, so we
are getting stuck at the last cell. let me dig a bit.
> Prevent infinite loop with HBase 1.4 and DistinctPrefixFilter
> -------------------------------------------------------------
>
> Key: PHOENIX-4742
> URL: https://issues.apache.org/jira/browse/PHOENIX-4742
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: Sergey Soldatov
> Priority: Major
>
> OrderByIT.testOrderByReverseOptimizationWithNUllsLastBug3491 is the only test
> failing on master (i.e. HBase 1.4). It's getting into an infinite loop when a
> reverse scan is done for the DistinctPrefixFilter. It'd be nice to fix this
> so we can do a release for HBase 1.4. At a minimum, we could disable
> DistinctPrefixFilter when a reverse scan is being done (for HBase 1.4 only).
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