chia7712 commented on code in PR #22268:
URL: https://github.com/apache/kafka/pull/22268#discussion_r3232274606
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clients/clients-integration-tests/src/test/java/org/apache/kafka/clients/consumer/RackAwareAssignor.java:
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@@ -81,7 +81,8 @@ public GroupAssignment assign(GroupSpec groupSpec,
SubscribedTopicDescriber subs
}
if (assignedRack == null) {
- throw new PartitionAssignorException("No member found for
racks " + racks + " for partition " + partitionId + " of topic " + topicId);
+ // No rack-local member found, which can be transiently
true as membership changes. Pick any member for now.
+ assignedRack = rackIdToMemberId.keySet().iterator().next();
Review Comment:
Since I’m traveling and can't check the source code right now, could you
clarify why this is specific to the test assignor? I assume we are discussing
the case where a partition's rack-aware replica has no matched active member in
the assignment metadata.
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