showuon commented on a change in pull request #11493:
URL: https://github.com/apache/kafka/pull/11493#discussion_r805556147
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File path:
streams/src/test/java/org/apache/kafka/streams/processor/internals/StreamsPartitionAssignorTest.java
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@@ -997,6 +997,77 @@ public void testAssignWithStandbyReplicas() {
assertEquals(standbyPartitionsByHost, info20.standbyPartitionByHost());
}
+ @Test
+ public void testAssignWithStandbyReplicasBalance() {
Review comment:
Could we add some tests to cover the are less than total tasks (active +
standby), but we can still distribute them evenly (the test case should be more
common for users), ex:
tasks: TASK_0_0, TASK_0_1, TASK_0_2
consumers: 2 in thread1, 3 in thread2
We expected each thread should have 3 tasks, and distribute evenly.
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