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https://issues.apache.org/jira/browse/RATIS-845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17076882#comment-17076882
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runzhiwang commented on RATIS-845:
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I'm working on it.
> Memory leak of RaftServerImpl
> -----------------------------
>
> Key: RATIS-845
> URL: https://issues.apache.org/jira/browse/RATIS-845
> Project: Ratis
> Issue Type: Bug
> Reporter: runzhiwang
> Priority: Major
> Attachments: screenshot-2.png, screenshot-3.png
>
>
> *What's the problem ? *
> As the image shows, there are 245 instances of RaftServerImpl, but the map
> in RaftServerProxy has only 16 entries. Because all the RaftServerImpl will
> be put into the map in RaftServerProxy. So 229 instances of RaftServerImpl
> happen memory leak.
>
> !screenshot-3.png!
> !screenshot-2.png!
> *What's the reason ?*
> When call
> [RaftServerProxy::remove|https://github.com/apache/incubator-ratis/blob/master/ratis-server/src/main/java/org/apache/ratis/server/impl/RaftServerProxy.java#L94],
> it did not call
> [RaftServerImp:shutdown:|https://github.com/apache/incubator-ratis/blob/master/ratis-server/src/main/java/org/apache/ratis/server/impl/RaftServerImpl.java#L247].
>
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