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https://issues.apache.org/jira/browse/KAFKA-9402?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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highluck resolved KAFKA-9402.
-----------------------------
Resolution: Not A Problem
> PartitionStates update Improvement Opinion
> ------------------------------------------
>
> Key: KAFKA-9402
> URL: https://issues.apache.org/jira/browse/KAFKA-9402
> Project: Kafka
> Issue Type: Improvement
> Affects Versions: 2.4.0
> Reporter: highluck
> Assignee: highluck
> Priority: Minor
> Labels: client
>
> PartitionStates update Improvement Opinion
>
> PartitionStates#update
>
> {code:java}
> //
> LinkedHashMap<String, List<TopicPartition>> topicToPartitions = new
> LinkedHashMap<>();
> for (TopicPartition tp : partitionToState.keySet()) {
> List<TopicPartition> partitions =
> topicToPartitions.computeIfAbsent(tp.topic(), k -> new ArrayList<>());
> partitions.add(tp);
> }
> for (Map.Entry<String, List<TopicPartition>> entry :
> topicToPartitions.entrySet()) {
> for (TopicPartition tp : entry.getValue()) {
> S state = partitionToState.get(tp);
> map.put(tp, state);
> }
> }
> {code}
> I think it's complicated by order.
>
> It is a part that can be improved more simply
>
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