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Posted to dev@phoenix.apache.org by "James Taylor (JIRA)" <ji...@apache.org> on 2018/05/17 18:04:00 UTC

[jira] [Commented] (PHOENIX-4742) Prevent infinite loop with HBase 1.4 and DistinctPrefixFilter

    [ https://issues.apache.org/jira/browse/PHOENIX-4742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16479474#comment-16479474 ] 

James Taylor commented on PHOENIX-4742:
---------------------------------------

[~sergey.soldatov] - any insight into this? I seem to remember you made a change to our filters to accommodate HBase 1.4. Was this change perhaps not done for DistinctPrefixFilter?

> 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
>            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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