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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HADOOP-4745) EC2 scripts should configure Hadoop to use all available disks on large instances
Date Thu, 31 Dec 2009 01:27:29 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tom White resolved HADOOP-4745.
-------------------------------

    Resolution: Duplicate

This was fixed as a part of HADOOP-6108.

> EC2 scripts should configure Hadoop to use all available disks on large instances
> ---------------------------------------------------------------------------------
>
>                 Key: HADOOP-4745
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4745
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: contrib/cloud
>    Affects Versions: 0.19.0
>            Reporter: Tom White
>            Assignee: Tom White
>         Attachments: hadoop-4745.patch
>
>
> The Hadoop configuration on EC2 currently always uses a single disk, even when more are
available (http://docs.amazonwebservices.com/AWSEC2/2007-08-29/DeveloperGuide/instance-storage.html).
Performance is significantly boosted by using all the available disks, so we should configure
Hadoop to use them automatically.

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