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Posted to issues@flink.apache.org by "gabrywu (Jira)" <ji...@apache.org> on 2023/12/22 08:05:00 UTC

[jira] [Commented] (FLINK-33623) Metaspce leak caused by Flink Netty Client thread

    [ https://issues.apache.org/jira/browse/FLINK-33623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17799699#comment-17799699 ] 

gabrywu commented on FLINK-33623:
---------------------------------

[~mapohl] any updates?

> Metaspce leak caused by Flink Netty Client thread
> -------------------------------------------------
>
>                 Key: FLINK-33623
>                 URL: https://issues.apache.org/jira/browse/FLINK-33623
>             Project: Flink
>          Issue Type: Bug
>          Components: API / Core
>    Affects Versions: 1.13.5, 1.18.0
>            Reporter: gabrywu
>            Priority: Minor
>              Labels: metaspace-leak
>         Attachments: image-2023-11-23-09-47-50-536.png, image.png
>
>
> Hi, folks, 
> We found that there is a Flink Netty Client thread with contextClassLoader `ChildFirstClassLoader`, and it causes a metaspace leak.
> TIPs
>  classloader.check-leaked-classloader = false
>  
> !image-2023-11-23-09-47-50-536.png|width=1175,height=651!



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