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From "Stephen Fritz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4113) When adding datanodes with less disk capacity to an existing cluster, the new DNs fill up faster and subsequently cause errors during put operations
Date Fri, 26 Oct 2012 14:05:12 GMT
Stephen Fritz created HDFS-4113:
-----------------------------------

             Summary: When adding datanodes with less disk capacity to an existing cluster,
the new DNs fill up faster and subsequently cause errors during put operations
                 Key: HDFS-4113
                 URL: https://issues.apache.org/jira/browse/HDFS-4113
             Project: Hadoop HDFS
          Issue Type: New Feature
          Components: data-node
            Reporter: Stephen Fritz
            Priority: Minor


The request is that the allocation strategy be modified so that it allocates equally on a
'free space percentage' basis between datanodes. IE disks that are twice as big should have
twice as much data written to them per unit time.

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