You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@avro.apache.org by "Julien OPOIX (Jira)" <ji...@apache.org> on 2023/11/27 16:03:00 UTC

[jira] [Updated] (AVRO-3911) High CPU contention in GenericDatumReader

     [ https://issues.apache.org/jira/browse/AVRO-3911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julien OPOIX updated AVRO-3911:
-------------------------------
    Description: 
Hi,

Since [AVRO-3531|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]]

 

  was:
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]



 


> 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
>         Attachments: genericdatumreader.contention.png
>
>
> Hi,
> Since [AVRO-3531|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]]
>  



--
This message was sent by Atlassian Jira
(v8.20.10#820010)