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

[Wenshuai Hou (JIRA)]

Wenshuai Hou created KAFKA-8559:
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             Summary: PartitionStates.partitionStates cause array grow 
allocation. 
                 Key: KAFKA-8559
                 URL: https://issues.apache.org/jira/browse/KAFKA-8559
             Project: Kafka
          Issue Type: Improvement
            Reporter: Wenshuai Hou
         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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