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https://issues.apache.org/jira/browse/FLINK-28820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17619553#comment-17619553
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Zili Chen commented on FLINK-28820:
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[~simonss] does including this improvement starting from 1.17.0 work for you?
> Pulsar Connector PulsarSink performance issue when delivery guarantee is not
> NONE
> ---------------------------------------------------------------------------------
>
> Key: FLINK-28820
> URL: https://issues.apache.org/jira/browse/FLINK-28820
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Pulsar
> Affects Versions: 1.15.0
> Reporter: Simon Su
> Assignee: Yufan Sheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.17.0
>
>
> Pulsar Sink writes at a speed of a dozen messages per second when
> At-Least-Once and Exactly-Once are enabled. When None is used, the message
> write speed reaches the Pulsar write bottleneck.
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