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https://issues.apache.org/jira/browse/FLINK-32645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17746499#comment-17746499
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Vijaya Bhaskar V commented on FLINK-32645:
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We are facing upgrade issues with this connector, we upgraded to flink 1.17.0,
still same issues facing. Any help?
switched from INITIALIZING to FAILED with failure cause:
java.lang.NoSuchMethodError: 'void
org.apache.flink.connector.base.source.reader.fetcher.SplitFetcherManager.<init>(org.apache.flink.connector.base.source.reader.synchronization.FutureCompletingBlockingQueue,
java.util.function.Supplier, org.apache.flink.configuration.Configuration)'
at
org.apache.flink.connector.pulsar.source.reader.PulsarSourceFetcherManager.<init>(PulsarSourceFetcherManager.java:71)
at
org.apache.flink.connector.pulsar.source.reader.PulsarSourceReader.create(PulsarSourceReader.java:298)
at
org.apache.flink.connector.pulsar.source.PulsarSource.createReader(PulsarSource.java:137)
> 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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