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From "Xiaoming Shi (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-1953) Copying data from inputStream to OuputStream needs appropriate buffer size
Date Mon, 28 Feb 2011 18:15:36 GMT
Copying data from inputStream to OuputStream needs appropriate buffer size
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                 Key: OPENJPA-1953
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1953
             Project: OpenJPA
          Issue Type: Bug
          Components: lib
    Affects Versions: 2.1.0
            Reporter: Xiaoming Shi


In the file:
./apache-openjpa-2.1.0-source/openjpa-lib/src/main/java/org/apache/openjpa/lib/meta/ZipStreamMetaDataIterator.java
   line : 119

The buffer size is fixed as 1024 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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