Yes, the consumer handles this error by rejoining the group. This is
probably a case where the logging is a bit more verbose than it should be.
I've tried to tune the logging a bit better for 0.10 so that some of these
low-level details only come out at the DEBUG level (in particular for cases
that
Thanks Jason. What does consumer 1 would do upon
receiving UNKNOWN_MEMBER_ID and does it rejoin the group eventually if it
keeps polling?
On Tue, 15 Mar 2016 at 00:58 Jason Gustafson wrote:
> Hey Tao,
>
> This error indicates that a rebalance completed successfully before the
> consumer could re
Hey Tao,
This error indicates that a rebalance completed successfully before the
consumer could rejoin. Basically it works like this:
1. Consumer 1 joins the group and is assigned member id A
2. Consumer 1's session timeout expires before successfully heartbeating.
3. The group is rebalanced with
Hi team,
I have about 10 consumers using the same consumer group connecting to
Kafka. Occasional I can see UNKNOWN_MEMBER_ID assigned to some of the
consumers. I want to under what situation this would happen?
I use Kafka version 0.9.0.1
