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https://issues.apache.org/jira/browse/KAFKA-15818?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stanislav Kozlovski resolved KAFKA-15818.
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Resolution: Fixed
> Implement max poll interval
> ---------------------------
>
> Key: KAFKA-15818
> URL: https://issues.apache.org/jira/browse/KAFKA-15818
> Project: Kafka
> Issue Type: Sub-task
> Components: clients, consumer
> Reporter: Philip Nee
> Assignee: Philip Nee
> Priority: Blocker
> Labels: consumer-threading-refactor, kip-848-client-support,
> kip-848-e2e, kip-848-preview
> Fix For: 3.7.0
>
>
> The consumer needs to be polled at a candance lower than
> MAX_POLL_INTERVAL_MAX otherwise the consumer should try to leave the group.
> Currently, we send an acknowledgment event to the network thread per poll.
> The event only triggers update on autocommit state, we need to implement
> updating the poll timer so that the consumer can leave the group when the
> timer expires.
>
> The current logic looks like this:
> {code:java}
> if (heartbeat.pollTimeoutExpired(now)) {
> // the poll timeout has expired, which means that the foreground thread
> has stalled
> // in between calls to poll().
> log.warn("consumer poll timeout has expired. This means the time between
> subsequent calls to poll() " +
> "was longer than the configured max.poll.interval.ms, which typically
> implies that " +
> "the poll loop is spending too much time processing messages. You can
> address this " +
> "either by increasing max.poll.interval.ms or by reducing the maximum
> size of batches " +
> "returned in poll() with max.poll.records.");
> maybeLeaveGroup("consumer poll timeout has expired.");
> } {code}
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