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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4062) Multi-column scanner unit test
Date Thu, 07 Jul 2011 23:24:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13061662#comment-13061662

stack commented on HBASE-4062:

@Mikhail You saw Andrew's comments over in reviewboard (They usually show up here but you
have to set the Bugs in RB to be this issue).

> 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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