Leo Romanoff created AVRO-1277:
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             Summary: Improve performance of reflection-based serializers
                 Key: AVRO-1277
                 URL: https://issues.apache.org/jira/browse/AVRO-1277
             Project: Avro
          Issue Type: Improvement
          Components: java
    Affects Versions: 1.7.4
            Reporter: Leo Romanoff
            Priority: Minor


I've played a bit with Avro serialization based on reflection, i.e. with the 
classes from org.apache.avro.generic package.

It works fine in this mode, but is rather slow compared to such frameworks like 
protostuff or kryo.

Quick look at the source code has shown that a lot of reflection-based 
operations and class lookups are not cached. And such operations are usually 
pretty expensive when executed by a JVM. 

So I changed some of org.apache.avro.generic classes, introduced caching and a 
few other optimizations. Now it seems to perform much better.

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