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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-559) MR example job to count table rows
Date Thu, 03 Apr 2008 16:46:25 GMT
MR example job to count table rows
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                 Key: HBASE-559
                 URL: https://issues.apache.org/jira/browse/HBASE-559
             Project: Hadoop HBase
          Issue Type: Bug
            Reporter: stack


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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