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https://issues.apache.org/jira/browse/AVRO-1760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15105103#comment-15105103
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ASF subversion and git services commented on AVRO-1760:
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Commit 1725220 from [email protected] in branch 'avro/trunk'
[ https://svn.apache.org/r1725220 ]
AVRO-1760. Java: Thread scalability problem with the use of SynchronizedMap
> 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
> Affects Versions: 1.7.4, 1.7.5, 1.7.6, 1.7.7, 1.8.0, 1.8.1, 1.9.0
> Reporter: Mulugeta Mammo
> Assignee: Tom White
> Priority: Critical
> Labels: patch, performance
> Fix For: 1.8.0
>
> Attachments: AVRO-1760.patch, AVRO-1760.patch, AVRO-1760.patch,
> AVRO-1760.pdf
>
>
> While running Adam Genomics (which uses Avro) on Apache Spark, we discovered
> that threads (tasks in Spark Context) 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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