[jira] [Created] (AVRO-1760) Thread scalability problem with the use of SynchronizedMap

[Mulugeta Mammo (JIRA)]

Mulugeta Mammo created AVRO-1760:
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             Summary: Thread scalability problem with the use of SynchronizedMap
                 Key: AVRO-1760
                 URL: https://issues.apache.org/jira/browse/AVRO-1760
             Project: Avro
          Issue Type: Improvement
          Components: java
            Reporter: Mulugeta Mammo
             Fix For: 1.7.8, 1.8.0, 1.8.1, 1.9.0, 1.7.7, 1.7.6, 1.7.5, 1.7.4


While running Adam Genomics (which uses Avro) on Apache Spark, we discovered 
that threads block in Avro while executing the getDefaultValue(Field field) 
method in 
https://github.com/apache/avro/blob/trunk/lang/java/avro/src/main/java/org/apache/avro/generic/GenericData.java




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