Chia-Ping Tsai created KAFKA-20000:
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Summary: Optimize retry backoff for CONCURRENT_TRANSACTIONS to
improve TV2 throughput
Key: KAFKA-20000
URL: https://issues.apache.org/jira/browse/KAFKA-20000
Project: Kafka
Issue Type: Improvement
Reporter: Chia-Ping Tsai
Assignee: Chia-Ping Tsai
Transaction V2 introduces frequent state transitions (epoch bumps) that briefly
reject concurrent requests with CONCURRENT_TRANSACTIONS. The default client
retry backoff (100ms) is excessive for these transient locks, leading to
unnecessary latency and degraded throughput. Reducing the backoff allows faster
retries and smoother performance during state transitions.
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