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Posted to dev@avro.apache.org by "Julien OPOIX (Jira)" <ji...@apache.org> on 2023/11/27 16:01:00 UTC
[jira] [Created] (AVRO-3911) High CPU contention in GenericDatumReader
Julien OPOIX created AVRO-3911:
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Summary: High CPU contention in GenericDatumReader
Key: AVRO-3911
URL: https://issues.apache.org/jira/browse/AVRO-3911
Project: Apache Avro
Issue Type: Task
Components: java
Affects Versions: 1.11.3
Reporter: Julien OPOIX
Attachments: genericdatumreader.contention.png
Hi,
Since https://issues.apache.org/jira/browse/AVRO-3531 we have noticed a very high CPU contention on the `stringClassCache` of the `GenericDatumReader`:
[https://github.com/apache/avro/blame/a2b37cf490108366913e32ed774105be6feafadb/lang/java/avro/src/main/java/org/apache/avro/generic/GenericDatumReader.java#L567]
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