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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3696) FsShell put using WebHdfsFileSystem goes OOM when file size is big
Date Fri, 20 Jul 2012 14:24:35 GMT
Kihwal Lee created HDFS-3696:
--------------------------------

             Summary: FsShell put using WebHdfsFileSystem goes OOM when file size is big
                 Key: HDFS-3696
                 URL: https://issues.apache.org/jira/browse/HDFS-3696
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.0.0-alpha
            Reporter: Kihwal Lee
            Priority: Critical
             Fix For: 0.23.3, 3.0.0, 2.2.0-alpha


When dong "fs -put" to a WebHdfsFileSystem (webhdfs://), the FsShell goes OOM if the file
size is large. When I tested, 20MB files were fine, but 200MB didn't work.  

I also tried reading a large file by issuing "-cat" and piping to a slow sink in order to
force buffering. The read path didn't have this problem. The memory consumption stayed the
same regardless of progress.


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