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https://issues.apache.org/jira/browse/HBASE-27189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17564696#comment-17564696
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Duo Zhang commented on HBASE-27189:
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[~apurtell] [~vjasani] FYI.
Found this when trying to implement HBASE-27185.
I've already implement a UT to reproduce the problem, see this PR
https://github.com/apache/hbase/pull/4611.
Let me think whether we need to do some refactoring before fixing it, to make
the code cleaner, or just a simple change to fix the problem first...
> NettyServerRpcConnection is properly closed when the netty channel is closed
> ----------------------------------------------------------------------------
>
> Key: HBASE-27189
> URL: https://issues.apache.org/jira/browse/HBASE-27189
> Project: HBase
> Issue Type: Bug
> Components: netty, rpc
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Blocker
> Fix For: 2.5.0, 3.0.0-alpha-4, 2.4.14
>
>
> We have a close method for NettyServerRpcConnection where we dispose the
> SaslServer and also release the ByteBuf if needed, but we never call it...
> This could also leak memory and also other resources...
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