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From "Mikhail Bautin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4062) Multi-column scanner unit test
Date Tue, 05 Jul 2011 19:17:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13060083#comment-13060083
] 

Mikhail Bautin commented on HBASE-4062:
---------------------------------------

Added to reviewboard:

https://reviews.apache.org/r/1012/


> Multi-column scanner unit test
> ------------------------------
>
>                 Key: HBASE-4062
>                 URL: https://issues.apache.org/jira/browse/HBASE-4062
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver, test
>    Affects Versions: 0.94.0
>            Reporter: Mikhail Bautin
>            Assignee: Mikhail Bautin
>            Priority: Minor
>              Labels: test
>         Attachments: test-multi-column-scanner.patch
>
>
> Adding a unit test for the multi-column scanner. We are using this this to test an optimization
we are making to multi-column scans using row-column Bloom filters. The scanner creates multiple
StoreFiles for a single column family, each containing a randomized set of columns with different
timestamps, and then tests scanning through the whole region with all possible sets of columns
specified in the query. Point deletes (deletes of a specific timestamp) are also tested.

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