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https://issues.apache.org/jira/browse/RATIS-2213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz-wo Sze resolved RATIS-2213.
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Fix Version/s: 3.3.1
Resolution: Fixed
The pull request is now merged. Thanks, [~rich7420]!
> Memory leak of DataStreamMapImpl when Streaming write
> -----------------------------------------------------
>
> Key: RATIS-2213
> URL: https://issues.apache.org/jira/browse/RATIS-2213
> Project: Ratis
> Issue Type: Bug
> Components: Streaming
> Reporter: ChenXi
> Assignee: Huang Kuan Hao
> Priority: Critical
> Fix For: 3.3.1
>
> Attachments: image-2024-12-17-16-44-13-020.png,
> image-2024-12-17-17-03-19-819.png, image-2024-12-17-17-03-24-737.png
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> h2. Phenomenon
> During our online test of Streaming writing, we found some memory leaks. When
> a DN write traffic exceeds 1GB/s ~ 2GB/s, Netty's Direct memory will continue
> to grow.
> h2. Version
> Ozone-1.4.1 based internal build, use the Ratis version 3.1.1
> h2. Reproduce Way
> To reproduce the DataStreamMapImpl#map and DataStreamManagement#streams leaks.
> For the detail we can refer to
> https://issues.apache.org/jira/browse/HDDS-11939
> h2. screenshot
> Direct memory increase
> !image-2024-12-17-16-44-13-020.png!
> This is a mat analysis of a memory dump of a DN long after it has stopped
> writing.
> !image-2024-12-17-17-03-19-819.png!
> !image-2024-12-17-17-03-24-737.png!
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