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https://issues.apache.org/jira/browse/KAFKA-8559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16867205#comment-16867205
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ASF GitHub Bot commented on KAFKA-8559:
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ijuma commented on pull request #6964: KAFKA-8559: avoid kafka array list grow
URL: https://github.com/apache/kafka/pull/6964
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> 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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