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From "Brandon Li (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5171) NFS should create input stream for a file and try to share it with multiple read requests
Date Sun, 08 Sep 2013 20:51:51 GMT
Brandon Li created HDFS-5171:
--------------------------------

             Summary: NFS should create input stream for a file and try to share it with multiple
read requests
                 Key: HDFS-5171
                 URL: https://issues.apache.org/jira/browse/HDFS-5171
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: nfs
            Reporter: Brandon Li
            Assignee: Brandon Li


Currently, NFS creates an input steam for each read request and closes it after the request
is served. With lots of read request, the overhead is significant. 

Like for write request, NFS should create input stream for a file and try to share it with
multiple read requests. The stream can be closed if there is no read request for a certain
amount of time (e.g., 10 sec).

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