lhotari opened a new pull request, #23967:
URL: https://github.com/apache/pulsar/pull/23967

   ### Motivation
   
   When enabling Netty leak detection with #23956 changes at `paranoid` level, 
BatchMessageTest.testSendOverSizeMessage shows a Netty ByteBuf memory leak. 
This is a bug in BatchMessageContainerImpl. It doesn't release the payload when 
the message size exceeds max message size.
   
   ### Modifications
   
   - Properly release the payload (or compressed payload) buffer when the 
message size exceeds max message size
   
   ### Additional context
   
   After #23956 changes are included, it is possible to catch such memory leaks 
in pull request CI builds.
   
   ### Documentation
   
   <!-- DO NOT REMOVE THIS SECTION. CHECK THE PROPER BOX ONLY. -->
   
   - [ ] `doc` <!-- Your PR contains doc changes. -->
   - [ ] `doc-required` <!-- Your PR changes impact docs and you will update 
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   - [x] `doc-not-needed` <!-- Your PR changes do not impact docs -->
   - [ ] `doc-complete` <!-- Docs have been already added -->


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