Re: [I] Jmeter View Result Tree crashes with a large payload [jmeter]

[via GitHub]

polarnik commented on issue #6336:
URL: https://github.com/apache/jmeter/issues/6336#issuecomment-2656655921

   I can not reproduce the crash, but I have found a bottleneck.
   
   Steps:
   1. Generate a long file:
   ```bash
   dd if=/dev/urandom of=temp_1g_file bs=1g count=1
   base64 -i ./temp_1g_file -o ./temp_1g_file.txt
   ```
   3. Execute a JSR-223 script with a long response data:
   ```groovy
   String fileContents = new 
File('~/IdeaProjects/github.com/polarnik/temp_1GB_file.txt').getText('UTF-8')
   SampleResult.setResponseData(fileContents)
   ```
   2 iterations
   4. Start a thread group for 2 iteration, go to View Result Tree
   
   
   ## Two configurations:
   
   ### first - default
   
   corretto-17.0.13
   
   -Dapple.eawt.quitStrategy=CLOSE_ALL_WINDOWS
   -Dapple.laf.useScreenMenuBar=true
   -Xss256k
   -XX:MaxMetaspaceSize=256m
   -Dfile.encoding=UTF-8
   -Duser.country=US
   -Duser.language=en
   -Duser.variant
   
   Default settings: Darklaf - Dracula
   
   Memory allocation:
   +4 GiByte after 2 iterations
   -1 GiByte after using GC
   +1 GiByte after opening a View Result Tree
   
   Time:
   - **Application freeze for 2 minutes**
   Thread:
   - AWT-EventQueue-0
    - com.github.weisj.darklaf.ui.scrollpane.DarkScrollPaneUI$1.layoutContainer 
()
     - 
com.github.weisj.darklaf.delegate.ScrollLayoutManagerDelegate.layoutContainer ()
      - javax.swing.ScrollPaneLayout.layoutContainer ()
   
   In two minutes we will see an active View Result Tree
   
   <img width="1379" alt="Image" 
src="https://github.com/user-attachments/assets/a1da66f6-34f1-4a14-bd22-b549c399d26a";
 />
   
   
![Image](https://github.com/user-attachments/assets/746d3314-2980-47d9-8d7e-fbf8456a32af)
   
   
![Image](https://github.com/user-attachments/assets/65bce9ed-3149-4586-88e3-9a5222c19b21)
   
   
![Image](https://github.com/user-attachments/assets/a271c9ce-6a75-45c0-adcf-e09c99f8f3d1)
   
   ### second - look and feel = System
   
   
   
   corretto-17.0.13
   
   -Dapple.eawt.quitStrategy=CLOSE_ALL_WINDOWS
   -Dapple.laf.useScreenMenuBar=true
   -Xss256k
   -XX:MaxMetaspaceSize=256m
   -Dfile.encoding=UTF-8
   -Duser.country=US
   -Duser.language=en
   -Duser.variant
   
   Default settings: System
   
   Memory allocation — **the same**:
   +4 GiByte after 2 iterations
   -1 GiByte after using GC
   +1 GiByte after opening a View Result Tree
   
   Time:
   - **0 time**
   
   
![Image](https://github.com/user-attachments/assets/1343c320-67df-4faa-8325-0429c6a5b4e2)


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