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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2008/04/14 18:21:06 UTC
[jira] Assigned: (HBASE-559) MR example job to count table rows
[ 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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