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Posted to dev@jmeter.apache.org by GitBox <gi...@apache.org> on 2021/11/04 09:03:39 UTC

[GitHub] [jmeter] vlsi opened a new pull request #676: Reduce memory consumption by the logging panel (disable undo events for it)

vlsi opened a new pull request #676:
URL: https://github.com/apache/jmeter/pull/676


   ## Description
   
   `org.apache.jorphan.gui.ui.TextAreaUIWithUndo#createUI` is called by Swing automatically by ALL text area components (since JMeter installs 
   `TextAreaUIWithUndo` as a UI class).
   That is convenient since it makes all text fields and text areas to support undo transparently, however, it results in surprising memory consumption by the logging panel.
   
   Here's a heap dump:
   <img width="777" alt="dominator tree" src="https://user-images.githubusercontent.com/213894/140286033-baacc384-e7c2-467b-969a-671d12e3b6cf.png">
   
   `TextComponentUI$1` is `UndoManager`. I moved the anonymous class to a top-level named class so it is easier to understand in the future.
   
   ## How Has This Been Tested?
   
   Test plan with JSR223 sampler that calls log.info("...") a lot.
   After the change, the undo manager and text area are no longer in the top consumers.
   


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[GitHub] [jmeter] vlsi merged pull request #676: Reduce memory consumption by the logging panel (disable undo events for it)

Posted by GitBox <gi...@apache.org>.
vlsi merged pull request #676:
URL: https://github.com/apache/jmeter/pull/676


   


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[GitHub] [jmeter] vlsi merged pull request #676: Reduce memory consumption by the logging panel (disable undo events for it)

Posted by GitBox <gi...@apache.org>.
vlsi merged pull request #676:
URL: https://github.com/apache/jmeter/pull/676


   


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[GitHub] [jmeter] FSchumacher commented on pull request #676: Reduce memory consumption by the logging panel (disable undo events for it)

Posted by GitBox <gi...@apache.org>.
FSchumacher commented on pull request #676:
URL: https://github.com/apache/jmeter/pull/676#issuecomment-961195842


   Cool


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