Swapnil Ghike created KAFKA-1087:
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Summary: Empty topic list causes consumer to fetch metadata of all
topics
Key: KAFKA-1087
URL: https://issues.apache.org/jira/browse/KAFKA-1087
Project: Kafka
Issue Type: Bug
Reporter: Swapnil Ghike
Assignee: Swapnil Ghike
The ClientUtils fetches metadata for all topics if the topic set is empty.
If the topic list of a consumer is empty, the following happens if a rebalance
is triggered:
- LeaderFinderThread waits on a condition
- The fetcher is restarted and it signals the aforementioned condition
- LeaderFinderThread obtains metadata for all topics since the topic list is
empty.
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