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Posted to issues@hbase.apache.org by "Mikhail Bautin (JIRA)" <ji...@apache.org> on 2011/07/05 21:13:16 UTC

[jira] [Updated] (HBASE-4062) Multi-column scanner unit test

     [ https://issues.apache.org/jira/browse/HBASE-4062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mikhail Bautin updated HBASE-4062:
----------------------------------

    Attachment: test-multi-column-scanner.patch

> 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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