Comments (1)
After further investigation, I did find another avenue where this same deadlock can occur during a consumer.poll()
. If the timing is just right, then there's a chance that the HeartbeatThread
deadlocks with a subsequent invocation of ensure_coordinator_ready()
during the consumer.poll()
that occurs immediately before trying to read data from the buffer.
Is there any particular reason for the finer grain on the locking scheme within the HeartbeatThread
after line 958? It feels more like code bumming than anything else. The HeartbeatThread
isn't doing much so it's probably just fine to be safe and hold onto the client lock rather than try and let other processes have the client in the event that the HeartbeatThread
doesn't actually need it. Clients would be better off looking to asyncio
if they needed to support the degree of concurrency that such an optimization seems to cater to.
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Related Issues (20)
- MSK - KafkaConsumer failing to connect silently HOT 3
- ignore
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