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https://issues.apache.org/jira/browse/FLINK-27318?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhengqi Zhang updated FLINK-27318:
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Issue Type: Bug (was: Improvement)
> KafkaSink: when init transaction, it take too long to get a producerId with
> epoch=0
> -----------------------------------------------------------------------------------
>
> Key: FLINK-27318
> URL: https://issues.apache.org/jira/browse/FLINK-27318
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Kafka
> Affects Versions: 1.14.4
> Reporter: Zhengqi Zhang
> Priority: Major
> Attachments: image-2022-04-20-17-34-48-207.png,
> image-2022-04-20-17-59-27-397.png
>
>
> as we can see, the new KafkaSink aborts all transactions that have been
> created by a subtask in a previous run, only return when get a producerId was
> unused before(epoch=0). But this can take a long time, especially if the task
> has been started and cancelled many times before. In my tests, it even took
> {*}10 minutes{*}. Is there a better way to solve this problem, or {*}do what
> FlinkKafkaProducer did{*}.
> !image-2022-04-20-17-59-27-397.png|width=534,height=256!
> !image-2022-04-20-17-34-48-207.png|width=556,height=412!
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