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https://issues.apache.org/jira/browse/HDDS-13939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18039131#comment-18039131
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Huang Guan Hao commented on HDDS-13939:
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[~szetszwo] thanks!
> Potential channel leak in StreamingClient.stream() method
> ---------------------------------------------------------
>
> Key: HDDS-13939
> URL: https://issues.apache.org/jira/browse/HDDS-13939
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Huang Guan Hao
> Assignee: Huang Guan Hao
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.2.0
>
>
> The `StreamingClient.stream()` method creates a Netty channel but doesn't
> explicitly close it when `await()` operations timeout. While
> `EventLoopGroup.shutdownGracefully()` eventually closes channels when
> `StreamingClient.close()` is called, channels may remain open until then,
> potentially causing resource leaks if `close()` is not called promptly.
> https://github.com/apache/ozone/blame/f4660a254a1bc89d78dda55c5543e4f93f1f5ac4/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/stream/StreamingClient.java#L88-L104
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