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https://issues.apache.org/jira/browse/FLINK-11792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16883611#comment-16883611
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Konstantin Knauf commented on FLINK-11792:
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[~becket_qin] Thanks for the explanation. I think you are right. I also tried
to reproduce the issue the user reported back then, but the consumer was always
able to recover some time after the leadership change.
> Make KafkaConsumer more resilient to Kafka Broker Failures
> -----------------------------------------------------------
>
> Key: FLINK-11792
> URL: https://issues.apache.org/jira/browse/FLINK-11792
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Kafka
> Affects Versions: 1.7.2
> Reporter: Konstantin Knauf
> Priority: Major
>
> When consuming from a topic with replication factor > 1, the
> FlinkKafkaConsumer could continue reading from this topic, when a single
> broker fails, by "simply" switching to the new leader `s for all lost
> partitions after Kafka failover. Currently, the KafkaConsumer will most
> likely throw in exception as topic metadata is only periodically fetched from
> the Kafka cluster.
>
>
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