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https://issues.apache.org/jira/browse/FLINK-30418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17647106#comment-17647106
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Danny Cranmer commented on FLINK-30418:
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Thanks Daren, have assigned to you
> Implement synchronous KinesisClient in EFO
> ------------------------------------------
>
> Key: FLINK-30418
> URL: https://issues.apache.org/jira/browse/FLINK-30418
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / AWS
> Reporter: Daren Wong
> Assignee: Daren Wong
> Priority: Major
> Labels: pull-request-available
> Fix For: aws-connector-4.1.0
>
>
> Use synchronous KinesisClient for consumer registration/de-registration.
> h3.
> Why?
> This is because current async client can cause the following RuntimeException
> when app parallelism is high.
> {quote}Unable to execute HTTP request: The channel was closed before the
> protocol could be determined.
> {quote}
> In addition, it can also cause deadlock situation as described in
> https://issues.apache.org/jira/browse/FLINK-30304
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