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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HBASE-559) MR example job to count table rows
Date Mon, 14 Apr 2008 16:21:06 GMT

     [ https://issues.apache.org/jira/browse/HBASE-559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack reassigned HBASE-559:
---------------------------

    Assignee: stack

> MR example job to count table rows
> ----------------------------------
>
>                 Key: HBASE-559
>                 URL: https://issues.apache.org/jira/browse/HBASE-559
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>            Assignee: stack
>            Priority: Blocker
>             Fix For: 0.1.2
>
>         Attachments: 559-0.1-v2.patch, 559.patch
>
>
> The Lars' import is a little messy; he's not sure how many records were imported.  Running
a select takes a couple of hours.  He happens to have an idle MR cluster standing by.  An
example MR job that just did a count of records would be generally useful.  Could even output
row keys so you'd have a list of what made it in.   Later, if this tool becomes popular with
derivatives and similiars, we can bundle a jar of MR jobs to run against your tables that
can answer common queries and that are amenable to subclassing/modification.

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