showuon commented on a change in pull request #8885:
URL: https://github.com/apache/kafka/pull/8885#discussion_r444938895
##########
File path: core/src/test/scala/integration/kafka/api/PlaintextConsumerTest.scala
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@@ -800,7 +800,7 @@ class PlaintextConsumerTest extends BaseConsumerTest {
awaitAssignment(consumer, partitions.toSet)
val producer = createProducer()
- val producerRecords = partitions.flatMap(sendRecords(producer,
partitionCount, _))
+ val producerRecords = partitions.flatMap(sendRecords(producer, numRecords
= 15, _))
Review comment:
hi @omkreddy , no, with this change, we won't **only sent to 15
partitions** .
The variable `partitions` in this line, is the total partitions in all
topics, that is, we have 3 topics, and 30 partitions for each in the test, and
the variable `partitions` is with size of 90. And here, we send the records to
all the 90 partitions with `numRecords` records for each.
So, in the test, we first collect all the partitions, and then send each
partition with the numRecords.
```
def testLowMaxFetchSizeForRequestAndPartition(): Unit = {
val topic1 = "topic1"
val topic2 = "topic2"
val topic3 = "topic3"
val partitionCount = 30
val topics = Seq(topic1, topic2, topic3)
....
// we collect all the TopicPartition info, that is, the
partitions.size() will be 90
val partitions = topics.flatMap { topic =>
(0 until partitionCount).map(new TopicPartition(topic, _))
}
....
// so later, we send the records to all the 90 partitions with
`numRecords` records for each.
// that is, the change to the number of the records sent won't affect
the test itself
val producerRecords = partitions.flatMap(sendRecords(producer,
partitionCount, _))
...
}
```
Thank you.
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