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https://issues.apache.org/jira/browse/KAFKA-16528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lianet Magrans closed KAFKA-16528.
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> Reset member heartbeat interval when request sent
> -------------------------------------------------
>
> Key: KAFKA-16528
> URL: https://issues.apache.org/jira/browse/KAFKA-16528
> Project: Kafka
> Issue Type: Task
> Components: clients, consumer
> Reporter: Lianet Magrans
> Assignee: Lianet Magrans
> Priority: Major
> Labels: kip-848-client-support
> Fix For: 3.8.0
>
>
> Member should reset the heartbeat timer when the request is sent, rather than
> when a response is received. This aims to ensure that we don't add-up to
> interval any delay there might be in a response. With this, we better respect
> the contract of members sending HB on the interval to remain in the group,
> and avoid potential unwanted rebalances.
> Note that there is already a logic in place to avoid sending a request if a
> response hasn't been received. So that will ensure that, even with the reset
> of the interval on the send, the next HB will only be sent as when the
> response is received. (Will be sent out on the next poll of the HB manager,
> and respecting the minimal backoff for sending consecutive requests). This
> will btw be consistent with how the interval timing & in-flights is handled
> for auto-commits.
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