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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-2863) FSDataOutputStream should not flush() inside close().
Date Wed, 20 Feb 2008 20:37:44 GMT
FSDataOutputStream should not flush() inside close().

                 Key: HADOOP-2863
                 URL: https://issues.apache.org/jira/browse/HADOOP-2863
             Project: Hadoop Core
          Issue Type: Bug
          Components: fs
            Reporter: Raghu Angadi
             Fix For: 0.17.0

Why does FSDataOutputStream.close() call flush()? This stream itself does not store any data
that it needs to flush. It is a wrapper and it should just invoke its outputstream's close().

For. e.g one bad side effect is that, in the case of DFSOutputStream which extends FSOutputSummer,
flush() inside close sends the current data even though FSOutputSummer might have some data..
this left over data will be sent in side close() (so it sends data in two different packets
instead of one). Other filesystems might have similar side effects.

I will submit a patch.

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