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https://issues.apache.org/jira/browse/FLINK-32645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17746190#comment-17746190
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Vijaya Bhaskar V commented on FLINK-32645:
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We are using the following as published here in flink docs:
[https://nightlies.apache.org/flink/flink-docs-release-1.16/docs/connectors/datastream/pulsar/]
Where connector version is: 1.16.2. As per this our entire environment is
flink 1.16.2
As you suggested tried mentioning 3.0.1 or 4.0.0, maven unable to download the
connector from Maven. Looks like these connectors are not published.
> Flink pulsar sink is having poor performance
> --------------------------------------------
>
> Key: FLINK-32645
> URL: https://issues.apache.org/jira/browse/FLINK-32645
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Pulsar
> Affects Versions: 1.16.2
> Environment: !Screenshot 2023-07-22 at 1.59.42 PM.png!!Screenshot
> 2023-07-22 at 2.03.53 PM.png!
>
> Reporter: Vijaya Bhaskar V
> Priority: Major
> Attachments: Screenshot 2023-07-22 at 2.03.53 PM.png, Screenshot
> 2023-07-22 at 2.56.55 PM.png, Screenshot 2023-07-22 at 3.45.21 PM-1.png,
> Screenshot 2023-07-22 at 3.45.21 PM.png
>
>
> Found following issue with flink pulsar sink:
>
> Flink pulsar sink is always waiting while enqueueing the message and making
> the task slot busy no matter how many free slots we provide. Attached the
> screen shot of the same
> Just sending messages of less rate 8k msg/sec and stand alone flink job with
> discarding sink is able to receive full rate if 8K msg/sec
> Where as pulsar sink was consuming only upto 2K msg/sec and the sink is
> always busy waiting. Snapshot of thread dump attached.
> Also snap shot of flink stream graph attached
>
>
>
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