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Posted to issues@flink.apache.org by "Etienne Chauchot (Jira)" <ji...@apache.org> on 2022/04/14 14:50:00 UTC
[jira] [Updated] (FLINK-26793) Flink Cassandra connector performance issue
[ https://issues.apache.org/jira/browse/FLINK-26793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Etienne Chauchot updated FLINK-26793:
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Attachment: Capture d’écran de 2022-04-14 16-34-59.png
> Flink Cassandra connector performance issue
> --------------------------------------------
>
> Key: FLINK-26793
> URL: https://issues.apache.org/jira/browse/FLINK-26793
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Cassandra
> Affects Versions: 1.14.4
> Reporter: Jay Ghiya
> Assignee: Etienne Chauchot
> Priority: Major
> Attachments: Capture d’écran de 2022-04-14 16-34-59.png
>
>
> A warning is observed during long runs of flink job stating “Insertions into scylla might be suffering. Expect performance problems unless this is resolved.”
> Upon initial analysis - “flink cassandra connector is not keeping instance of mapping manager that is used to convert a pojo to cassandra row. Ideally the mapping manager should have the same life time as cluster and session objects which are also created once when the driver is initialized”
> Reference: https://stackoverflow.com/questions/59203418/cassandra-java-driver-warning
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