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From "Claudio Martella (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-514) DiskBackedMessageStores should take advantage of machines with multiple disks
Date Fri, 15 Feb 2013 16:47:13 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13579305#comment-13579305
] 

Claudio Martella commented on GIRAPH-514:
-----------------------------------------

btw it also fixes a bug in the previous code. as the directory was shared between multiple
workers on the same machine, the file could be delete by another worker.
                
> DiskBackedMessageStores should take advantage of machines with multiple disks
> -----------------------------------------------------------------------------
>
>                 Key: GIRAPH-514
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-514
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Claudio Martella
>            Assignee: Claudio Martella
>            Priority: Minor
>         Attachments: GIRAPH-514.diff
>
>
> We are storing messages on a per partition on disk. We can store each file (partition
data) on a different disk, if available, to take advantage of full IO bandwith, when using
multiple compute threads or workers per machine.

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