chia7712 commented on code in PR #20064: URL: https://github.com/apache/kafka/pull/20064#discussion_r2202816352
########## tools/src/main/java/org/apache/kafka/tools/consumer/group/ConsumerGroupCommand.java: ########## @@ -631,7 +635,34 @@ else if (logEndOffsetResult.getValue() instanceof OffsetsUtils.Ignore) return null; throw new IllegalStateException("Unknown LogOffset subclass: " + logEndOffsetResult.getValue()); - }).collect(Collectors.toList()); + }).toList(); + + // prepare data for partitions without leaders + List<PartitionAssignmentState> noneLeaderAssignments = topicPartitionsWithoutLeader.stream() + .map(tp -> getDescribePartitionResult.apply(tp, Optional.empty())).toList(); + + // concat the data and then sort them + return Stream.concat(existLeaderAssignments.stream(), noneLeaderAssignments.stream()) + .sorted(Comparator.<PartitionAssignmentState, String>comparing( + state -> state.topic.orElse(""), String::compareTo) + .thenComparingInt(state -> state.partition.orElse(-1))) Review Comment: the sort policy should include topic name, right? ########## tools/src/main/java/org/apache/kafka/tools/consumer/group/ConsumerGroupCommand.java: ########## @@ -631,7 +635,34 @@ else if (logEndOffsetResult.getValue() instanceof OffsetsUtils.Ignore) return null; throw new IllegalStateException("Unknown LogOffset subclass: " + logEndOffsetResult.getValue()); - }).collect(Collectors.toList()); + }).toList(); + + // prepare data for partitions without leaders + List<PartitionAssignmentState> noneLeaderAssignments = topicPartitionsWithoutLeader.stream() + .map(tp -> getDescribePartitionResult.apply(tp, Optional.empty())).toList(); + + // concat the data and then sort them + return Stream.concat(existLeaderAssignments.stream(), noneLeaderAssignments.stream()) + .sorted(Comparator.<PartitionAssignmentState, String>comparing( + state -> state.topic.orElse(""), String::compareTo) + .thenComparingInt(state -> state.partition.orElse(-1))) + .collect(Collectors.toList()); + } + + private List<TopicPartition> filterNoneLeaderPartitions(Collection<TopicPartition> topicPartitions) { + // collect all topics + Set<String> topics = topicPartitions.stream().map(TopicPartition::topic).collect(Collectors.toSet()); + + try { + return adminClient.describeTopics(topics).allTopicNames().get().entrySet() + .stream() + .flatMap(entry -> entry.getValue().partitions().stream() + .filter(partitionInfo -> partitionInfo.leader() == null) + .map(partitionInfo -> new TopicPartition(entry.getKey(), partitionInfo.partition()))) + .collect(Collectors.toList()); Review Comment: `.toList();` ########## tools/src/main/java/org/apache/kafka/tools/consumer/group/ConsumerGroupCommand.java: ########## @@ -619,7 +618,12 @@ private Collection<PartitionAssignmentState> describePartitions( consumerIdOpt, hostOpt, clientIdOpt, logEndOffsetOpt, leaderEpoch); }; - return offsetsUtils.getLogEndOffsets(topicPartitions).entrySet().stream().map(logEndOffsetResult -> { + List<TopicPartition> topicPartitionsWithLeader = new ArrayList<>(topicPartitions); Review Comment: ```java List<TopicPartition> topicPartitionsWithoutLeader = filterNoneLeaderPartitions(topicPartitions); List<TopicPartition> topicPartitionsWithLeader = topicPartitions.stream().filter(tp -> !topicPartitionsWithoutLeader.contains(tp)).toList(); ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org