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From "Xiaoming Shi (JIRA)" <j...@apache.org>
Subject [jira] Created: (CHUKWA-583) Copying data from inputStream to OuputStream needs appropriate buffer size
Date Mon, 28 Feb 2011 17:22:36 GMT
Copying data from inputStream to OuputStream needs appropriate buffer size
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                 Key: CHUKWA-583
                 URL: https://issues.apache.org/jira/browse/CHUKWA-583
             Project: Chukwa
          Issue Type: Bug
          Components: Data Processors
    Affects Versions: 0.4.0
            Reporter: Xiaoming Shi


In the file 
./chukwa-0.4.0/src/test/org/apache/hadoop/chukwa/validationframework/util/DataOperations.java
  line: 54-58

In the function copyFile, the buffer size is fixed as 4096 bytes. With the size of the data
varies, the performance can be damaged a lot.

We need an appropriate buffer size which depends on the size of the data to be copied. 

This is the same as the Appache Bug (https://issues.apache.org/bugzilla/show_bug.cgi?id=32546)

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