Jason Gustafson created KAFKA-9047:
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Summary: AdminClient group operations may not respect backoff
Key: KAFKA-9047
URL: https://issues.apache.org/jira/browse/KAFKA-9047
Project: Kafka
Issue Type: Bug
Components: admin
Reporter: Jason Gustafson
Assignee: Vikas Singh
The retry logic for consumer group operations in the admin client is
complicated by the need to find the coordinator. Instead of simply retry loops
which send the same request over and over, we can get more complex retry loops
like the following:
# Send FindCoordinator to B -> Coordinator is A
# Send DescribeGroup to A -> NOT_COORDINATOR
# Go back to 1
Currently we construct a new Call object for each step in this loop, which
means we lose some of retry bookkeeping such as the last retry time and the
number of tries. This means it is possible to have tight retry loops which
bounce between steps 1 and 2 and do not respect the retry backoff.
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