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From "Sameer Paranjpye (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-50) dfs datanode should store blocks in multiple directories
Date Fri, 24 Mar 2006 21:58:22 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-50?page=all ]

Sameer Paranjpye updated HADOOP-50:
-----------------------------------

    Fix Version: 0.2
                     (was: 0.1)
        Version: 0.2
                     (was: 0.1)

> dfs datanode should store blocks in multiple directories
> --------------------------------------------------------
>
>          Key: HADOOP-50
>          URL: http://issues.apache.org/jira/browse/HADOOP-50
>      Project: Hadoop
>         Type: Bug
>   Components: dfs
>     Versions: 0.2
>     Reporter: Doug Cutting
>     Assignee: Mike Cafarella
>      Fix For: 0.2

>
> 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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