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From "Sameer Paranjpye (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HADOOP-50) dfs datanode should store blocks in multiple directories
Date Thu, 07 Sep 2006 08:03:25 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-50?page=all ]

Sameer Paranjpye reassigned HADOOP-50:

    Assignee: Milind Bhandarkar  (was: Mike Cafarella)

> dfs datanode should store blocks in multiple directories
> --------------------------------------------------------
>                 Key: HADOOP-50
>                 URL: http://issues.apache.org/jira/browse/HADOOP-50
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.2.0
>            Reporter: Doug Cutting
>         Assigned To: Milind Bhandarkar
>         Attachments: hadoop.50.patch.1
> The datanode currently stores all file blocks in a single directory.  With 32MB blocks
and terabyte filesystems, this will create too many files in a single directory for many filesystems.
 Thus blocks should be stored in multiple directories, perhaps even a shallow hierarchy.

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