Chia-Ping Tsai created KAFKA-13030: -------------------------------------- Summary: FindCoordinators batching make slow poll when requesting older broker Key: KAFKA-13030 URL: https://issues.apache.org/jira/browse/KAFKA-13030 Project: Kafka Issue Type: Improvement Reporter: Chia-Ping Tsai Assignee: Chia-Ping Tsai
https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/clients/consumer/internals/AbstractCoordinator.java#L888 {quote} if (e instanceof NoBatchedFindCoordinatorsException) { batchFindCoordinator = false; clearFindCoordinatorFuture(); lookupCoordinator(); return; } {quote} The current request future is NOT updated so it can't be completed until timeout. It causes a slow poll when users first poll data from older broker. -- This message was sent by Atlassian Jira (v8.3.4#803005)