[GitHub] [kafka] philipnee commented on a diff in pull request #13550: KAFKA-14639 - A single partition may be revoked and assign during a single round of rebalance

[via GitHub]

philipnee commented on code in PR #13550:
URL: https://github.com/apache/kafka/pull/13550#discussion_r1171780417


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clients/src/main/java/org/apache/kafka/clients/consumer/internals/AbstractCoordinator.java:
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@@ -835,6 +839,8 @@ public void handle(SyncGroupResponse syncResponse,
                 } else if (error == Errors.REBALANCE_IN_PROGRESS) {
                     log.info("SyncGroup failed: The group began another 
rebalance. Need to re-join the group. " +
                                  "Sent generation was {}", sentGeneration);
+                    savePartitionAndGenerationState();

Review Comment:
   i think the ration for resetting the generation is to ensure member's 
partitions get revoke during the onJoinPrepare, i'm trying to think is there's 
a better way to do this...



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