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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-955) Hadoop doesn't schedule the tasks close to the data
Date Tue, 06 Apr 2010 15:00:41 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854015#action_12854015
] 

Jonathan Ellis commented on CASSANDRA-955:
------------------------------------------

(can you commit to 0.6 and trunk?)

> Hadoop doesn't schedule the tasks close to the data
> ---------------------------------------------------
>
>                 Key: CASSANDRA-955
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-955
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Johan Oskarsson
>            Assignee: Johan Oskarsson
>         Attachments: CASSANDRA-955.patch
>
>
> Hadoop relies on locations for data in input splits being represented as hostnames and
not ip addresses. Currently in my testing tasks are more often then not being scheduled on
a node that does not contain the data requested.

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