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From "Mikhail Bautin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6562) Fake KVs are sometimes passed to filters
Date Thu, 03 Jan 2013 02:42:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13542672#comment-13542672
] 

Mikhail Bautin commented on HBASE-6562:
---------------------------------------

[~lhofhansl]: the easiest way would be to disable lazy seek for such queries and document
it. I'm not sure what the exact set of filters that conflict with lazy seek is, though.
                
> Fake KVs are sometimes passed to filters
> ----------------------------------------
>
>                 Key: HBASE-6562
>                 URL: https://issues.apache.org/jira/browse/HBASE-6562
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>            Priority: Minor
>             Fix For: 0.96.0
>
>         Attachments: 6562.txt, 6562-v2.txt, 6562-v3.txt, minimalTest.java
>
>
> In internal tests at Salesforce we found that fake row keys sometimes are passed to filters
(Filter.filterRowKey(...) specifically).
> The KVs are eventually filtered by the StoreScanner/ScanQueryMatcher, but the row key
is passed to filterRowKey in RegionScannImpl *before* that happens.

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