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https://issues.apache.org/jira/browse/SPARK-51111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mars updated SPARK-51111:
-------------------------
Description:
When multiple Kafka `InputDStream` are used (number exceeding the Driver's
physical machine `Runtime.getRuntime.availableProcessors`), and the consumers
are configured with the same group id.
Driver will remains stuck and log 'Request joining group due to: group is
already rebalancing'.
> Streaming job gets stuck during the startup of Driver for the consumers are
> in the rebalance
> --------------------------------------------------------------------------------------------
>
> Key: SPARK-51111
> URL: https://issues.apache.org/jira/browse/SPARK-51111
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 2.0.0
> Reporter: Mars
> Priority: Major
>
> When multiple Kafka `InputDStream` are used (number exceeding the Driver's
> physical machine `Runtime.getRuntime.availableProcessors`), and the consumers
> are configured with the same group id.
> Driver will remains stuck and log 'Request joining group due to: group is
> already rebalancing'.
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