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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-50) dfs datanode should store blocks in multiple directories
Date Tue, 21 Feb 2006 22:26:44 GMT
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: 0.1    
    Reporter: Doug Cutting
 Assigned to: Mike Cafarella 
     Fix For: 0.1


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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