CalvinConfluent commented on code in PR #15265:
URL: https://github.com/apache/kafka/pull/15265#discussion_r1505043369
##########
tools/src/main/java/org/apache/kafka/tools/TopicCommand.java:
##########
@@ -558,20 +568,53 @@ public void describeTopic(TopicCommandOptions opts)
throws ExecutionException, I
} else {
ensureTopicExists(topics, opts.topic().orElse(""),
!opts.ifExists());
}
- List<org.apache.kafka.clients.admin.TopicDescription>
topicDescriptions = new ArrayList<>();
if (!topicIds.isEmpty()) {
Map<Uuid, org.apache.kafka.clients.admin.TopicDescription>
descTopics =
adminClient.describeTopics(TopicCollection.ofTopicIds(topicIds)).allTopicIds().get();
- topicDescriptions = new ArrayList<>(descTopics.values());
+ describeTopicsFollowUp(new ArrayList<>(descTopics.values()),
opts);
+ return;
}
if (!topics.isEmpty()) {
- Map<String, org.apache.kafka.clients.admin.TopicDescription>
descTopics =
-
adminClient.describeTopics(TopicCollection.ofTopicNames(topics)).allTopicNames().get();
- topicDescriptions = new ArrayList<>(descTopics.values());
+ final int partitionSizeLimit =
opts.partitionSizeLimitPerResponse().orElse(2000);
+ try {
+ Iterator<Map.Entry<String,
KafkaFuture<org.apache.kafka.clients.admin.TopicDescription>>>
descTopicIterator =
+
adminClient.describeTopics(TopicCollection.ofTopicNames(topics),
+ new
DescribeTopicsOptions().useDescribeTopicsApi(true)
+
.partitionSizeLimitPerResponse(partitionSizeLimit)).topicNameValuesIterator();
+ while (descTopicIterator.hasNext()) {
+ List<org.apache.kafka.clients.admin.TopicDescription>
topicDescriptions = new ArrayList<>();
+ for (int counter = 0; counter < partitionSizeLimit &&
descTopicIterator.hasNext();) {
+ org.apache.kafka.clients.admin.TopicDescription
topicDescription = descTopicIterator.next().getValue().get();
+ topicDescriptions.add(topicDescription);
+ counter += topicDescription.partitions().size();
+ }
+ describeTopicsFollowUp(topicDescriptions, opts);
Review Comment:
Refactored.
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