Shuyi Chen created FLINK-37366:
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Summary: Allow configurable retry for Kafka topic metadata fetch
Key: FLINK-37366
URL: https://issues.apache.org/jira/browse/FLINK-37366
Project: Flink
Issue Type: Improvement
Components: Connectors / Kafka
Reporter: Shuyi Chen
For high availability, we adopted a multi-primary Kafka cluster setup, so the
data of a Kafka topic will be in multiple physical clusters. In case of a kafka
cluster failure, Flink pipeline should continue to run w/o failure. Currently,
Flink pipeline will fail due to SubscriberUtils.getTopicMetadata() throwing
RuntimeException if a kafka cluster fails, causing the pipeline keep
restarting. We propose to add a configurable retry policy in
SubscriberUtils.getTopicMetadata(), so we can configure flink Kafka connector
to tolerate kafka failure for longer period of time w/o restarting.
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