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  1. JDK
  2. JDK-8326092 Pause Remark sometimes has extremely long pause times on class unloading
  3. JDK-8333832

Release Note: Long Garbage Collection Pause Times in Stop-The-World Collectors

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    • gc
    • 21

      Applications using early releases of JDK 21 may experience long pause times during stop-the-world (STW) garbage collection. This affects various phases of the collection pauses including `Class Unloading`, `Root Scanning`, and `CodeCache Unloading` in all STW garbage collectors (Serial, Parallel, and G1 GC).

      These performance problems have been addressed in JDK 21.0.4.

            tschatzl Thomas Schatzl
            spayne Sandra Payne
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