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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Created: (AVRO-143) use ASM to accellerate reflection
Date Tue, 13 Oct 2009 21:31:31 GMT
use ASM to accellerate reflection
---------------------------------

                 Key: AVRO-143
                 URL: https://issues.apache.org/jira/browse/AVRO-143
             Project: Avro
          Issue Type: Improvement
          Components: java
            Reporter: Doug Cutting


Java reflection is very slow, about 100 times slower for field access than normal Java code.
 However reflection might be a useful tool for converting existing codebases to use Avro.

One could, using ASM (http://asm.ow2.org/) make existing compiled classes to implement the
SpecificRecord interface or something similar:

http://hadoop.apache.org/avro/docs/current/api/java/org/apache/avro/specific/SpecificRecord.html

This would make existing classes as fast to serialize as generated classes.


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