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Posted to jira@kafka.apache.org by "Boyang Chen (JIRA)" <ji...@apache.org> on 2019/06/18 23:52:00 UTC

[jira] [Updated] (KAFKA-8559) PartitionStates.partitionStates cause array grow allocation.

     [ https://issues.apache.org/jira/browse/KAFKA-8559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boyang Chen updated KAFKA-8559:
-------------------------------
    Component/s: consumer

> PartitionStates.partitionStates cause array grow allocation. 
> -------------------------------------------------------------
>
>                 Key: KAFKA-8559
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8559
>             Project: Kafka
>          Issue Type: Improvement
>          Components: consumer
>            Reporter: Wenshuai Hou
>            Priority: Major
>         Attachments: image-2019-06-18-19-10-10-633.png
>
>
> this method causes 238 TLABs totaling 297mb of Array.copyOf(). The side of the array can be determined at creation. 
> !image-2019-06-18-19-10-10-633.png!



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