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Posted to jira@kafka.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/03/12 23:29:00 UTC

[jira] [Commented] (KAFKA-6640) Improve efficiency of KafkaAdminClient.describeTopics()

    [ https://issues.apache.org/jira/browse/KAFKA-6640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16396241#comment-16396241 ] 

ASF GitHub Bot commented on KAFKA-6640:
---------------------------------------

lindong28 opened a new pull request #4694: KAFKA-6640; Improve efficiency of KafkaAdminClient.describeTopics()
URL: https://github.com/apache/kafka/pull/4694
 
 
   Currently in KafkaAdminClient.describeTopics(), for each topic in the request, an complete map of cluster and errors will be constructed for every topic and partition. This unnecessarily increases the complexity of describeTopics() to O(n^2). This patch improves the complexity to O(n).
   
   ### Committer Checklist (excluded from commit message)
   - [ ] Verify design and implementation 
   - [ ] Verify test coverage and CI build status
   - [ ] Verify documentation (including upgrade notes)
   

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> Improve efficiency of KafkaAdminClient.describeTopics()
> -------------------------------------------------------
>
>                 Key: KAFKA-6640
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6640
>             Project: Kafka
>          Issue Type: Improvement
>            Reporter: Dong Lin
>            Assignee: Dong Lin
>            Priority: Major
>
> Currently in KafkaAdminClient.describeTopics(), for each topic in the request, an complete map of cluster and errors will be constructed for every topic and partition. This unnecessarily increases the complexity of describeTopics() to O(n^2).



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