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https://issues.apache.org/jira/browse/KAFKA-20309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lianet Magrans resolved KAFKA-20309.
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Resolution: Fixed
> Too many SharePollEvents created
> --------------------------------
>
> Key: KAFKA-20309
> URL: https://issues.apache.org/jira/browse/KAFKA-20309
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 4.2.0
> Reporter: Andrew Schofield
> Assignee: Andrew Schofield
> Priority: Major
>
> SharePollEvent is used in a share consumer to signal to the background thread
> that the application thread is polling. The mechanism for governing when to
> make a new event is too loose which can result in too many events being
> created. Generally, there is only a single event outstanding, but sometimes a
> higher number are enqueued unnecessarily.
> The AsyncKafkaConsumer introduced a mechanism to control the number of events
> and something similar is appropriate in the share consumer also.
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