TestHDFSCLI much slower after HDFS-265 merge
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                 Key: HDFS-797
                 URL: https://issues.apache.org/jira/browse/HDFS-797
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs client
    Affects Versions: 0.21.0, 0.22.0
            Reporter: Todd Lipcon


After the merge of HDFS-265 into trunk, TestHDFSCLI takes much longer to run 
(>10min, got tired of waiting). Changing dataQueue.wait(1000) to 
dataQueue.wait(10) on line 2708 speeds up the test back to its original 
performance. This isn't a fix, but displays the issue - somehow the thread 
isn't getting properly interrupted. In general this probably represents a 
performance regression for the exit of all HDFS writers (most noticeable in CLI 
tools)

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