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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5958) Use JDK 1.6 File APIs in DF.java wherever possible
Date Tue, 02 Jun 2009 15:55:07 GMT
Use JDK 1.6 File APIs in DF.java wherever possible
--------------------------------------------------

                 Key: HADOOP-5958
                 URL: https://issues.apache.org/jira/browse/HADOOP-5958
             Project: Hadoop Core
          Issue Type: Bug
          Components: fs
            Reporter: Devaraj Das
             Fix For: 0.21.0


JDK 1.6 has File APIs like File.getFreeSpace() which should be used instead of spawning a
command process for getting the various disk/partition related attributes. This would avoid
spikes in memory consumption by tasks when things like LocalDirAllocator is used for creating
paths on the filesystem.

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