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https://issues.apache.org/jira/browse/FLINK-30471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xintong Song closed FLINK-30471.
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Fix Version/s: 1.17.0
Resolution: Done
master (1.17): fc7defb14d11e270d539ee0d80a2076ae55a4ea2
> Optimize the enriching network memory process in
> SsgNetworkMemoryCalculationUtils
> ---------------------------------------------------------------------------------
>
> Key: FLINK-30471
> URL: https://issues.apache.org/jira/browse/FLINK-30471
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Network
> Affects Versions: 1.17.0
> Reporter: Yuxin Tan
> Assignee: Yuxin Tan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.17.0
>
>
> In SsgNetworkMemoryCalculationUtils#enrichNetworkMemory, getting
> PartitionTypes is run in a separate loop, which is not friendly to
> performance. If we want to add inputPartitionTypes in the subsequential PR,
> a new separate loop may be introduced too, which I think is not a good choice.
> Using a separate loop to get each collection just looks simpler in code
> style, but it will affect the performance. We can get all the results of
> maxSubpartitionNums and partitionTypes through one loop instead of multiple
> loops, which will be faster. In this way, when we need to add
> inputPartitionTypes later, we do not need to add a new loop logic.
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