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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-7276) Limit the number of byte arrays used by DFSOutputStream
Date Wed, 22 Oct 2014 02:25:34 GMT
Tsz Wo Nicholas Sze created HDFS-7276:
-----------------------------------------

             Summary: Limit the number of byte arrays used by DFSOutputStream
                 Key: HDFS-7276
                 URL: https://issues.apache.org/jira/browse/HDFS-7276
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: hdfs-client
            Reporter: Tsz Wo Nicholas Sze
            Assignee: Tsz Wo Nicholas Sze


When there are a lot of DFSOutputStream's writing concurrently, the number of outstanding
packets could be large.  The byte arrays created by those packets could occupy a lot of memory.



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