JDK-8333832 : Release Note: Long Garbage Collection Pause Times in Stop-The-World Collectors
  • Type: Sub-task
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 21
  • Priority: P2
  • Status: Resolved
  • Resolution: Delivered
  • Submitted: 2024-06-07
  • Updated: 2024-06-10
  • Resolved: 2024-06-10
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JDK 21
21Resolved
Description
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.