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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3488) Allow RowCounter to retrieve multiple versions of rows
Date Fri, 01 Apr 2011 17:27:06 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13014756#comment-13014756
] 

stack commented on HBASE-3488:
------------------------------

License says 2008.

Class comment seems wrong.  Says mapper-only job but I see a Reducer declared and specified
in the job setup.

Otherwise, patch looks great to me.  Nice functionality.  Could make for crazy report on big
table but could be just what the doctor ordered diagnosing state of an hbase table.

Do you want to fix above Subbu or should I on commit?

> Allow RowCounter to retrieve multiple versions of rows
> ------------------------------------------------------
>
>                 Key: HBASE-3488
>                 URL: https://issues.apache.org/jira/browse/HBASE-3488
>             Project: HBase
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 0.90.0
>            Reporter: Ted Yu
>             Fix For: 0.92.0
>
>         Attachments: 3488-Allow_RowCounter_to_retrieve_multiple_versions_of_rows.patch
>
>
> Currently RowCounter only retrieves latest version for each row.
> Some applications would store multiple versions for the same row.
> RowCounter should accept a new parameter for the number of versions to return.
> Scan object would be configured with version parameter (for scan.maxVersions).
> Then the following API should be called:
> {code}
>   public KeyValue[] raw() {
> {code}

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