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https://issues.apache.org/jira/browse/AVRO-3911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Tzvetanov Grigorov resolved AVRO-3911.
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Resolution: Duplicate
Closing as a duplicate because the issue in Avro is the same in both tickets.
The JDK version or the OS version is not important.
> 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
> Priority: Major
> Labels: jdk17, jdk21
> Attachments: genericdatumreader.contention.png
>
>
> Hi,
> Since AVRO-3531 we have noticed a very high CPU contention on the
> _stringClassCache_ of the
> [GenericDatumReader|https://github.com/apache/avro/blob/a2b37cf490108366913e32ed774105be6feafadb/lang/java/avro/src/main/java/org/apache/avro/generic/GenericDatumReader.java#L567]
>
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