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Date: Thu, 13 Feb 2014 23:34:20 +0000 (UTC)
From: "Jonathan Ellis (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Message-ID: <JIRA.12504901.1303401483184.39784.1392334460858@arcas>
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Subject: [jira] [Updated] (CASSANDRA-2527) Add ability to snapshot data as
 input to hadoop jobs
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     [ https://issues.apache.org/jira/browse/CASSANDRA-2527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-2527:
--------------------------------------

    Assignee: Joshua McKenzie  (was: Tyler Hobbs)

> Add ability to snapshot data as input to hadoop jobs
> ----------------------------------------------------
>
>                 Key: CASSANDRA-2527
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2527
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Jeremy Hanna
>            Assignee: Joshua McKenzie
>            Priority: Minor
>              Labels: hadoop
>             Fix For: 2.1
>
>
> It is desirable to have immutable inputs to hadoop jobs for the duration of the job.  That way re-execution of individual tasks do not alter the output.  One way to accomplish this would be to snapshot the data that is used as input to a job.


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