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From "Preston Koprivica (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4394) Add support for seeking hints to FilterList
Date Tue, 09 Feb 2016 22:58:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15139946#comment-15139946
] 

Preston Koprivica commented on HBASE-4394:
------------------------------------------

Is there any reason that hinting/seeking can't be applied to MUST_PASS_ONE filter lists? 


It looks like this issue has added support for generating a hint for a MUST_PASS_ONE filterlist
(by retaining the minimum hint of all the internal filters), but it doesn't look like the
filterlist will ever return SEEK_USING_NEXT_HINT return code on #filterKeyValue(..) for MUST_PASS_ONE
filters [1]. 

[1] https://github.com/apache/hbase/blob/rel/1.1.3/hbase-client/src/main/java/org/apache/hadoop/hbase/filter/FilterList.java#L249

> Add support for seeking hints to FilterList
> -------------------------------------------
>
>                 Key: HBASE-4394
>                 URL: https://issues.apache.org/jira/browse/HBASE-4394
>             Project: HBase
>          Issue Type: Improvement
>          Components: Filters
>            Reporter: Jonathan Gray
>            Assignee: Jonathan Gray
>            Priority: Minor
>             Fix For: 0.92.0
>
>         Attachments: HBASE-4394-trunk-v2.patch, HBASE-4394-v1.patch
>
>
> Currently FilterList's do not support getNextKeyHint() even if the underlying filters
are giving hints.  We should add support for FilterList to pass these through.



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