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  1. JDK
  2. JDK-8214897 ZGC: Concurrent Class Unloading
  3. JDK-8218905

Release Note: ZGC: Concurrent Class Unloading

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    • Subcomponent:
      gc
    • Verification:
      Verified

      Description

      The Z Garbage Collector now supports class unloading. By unloading unused classes, data structures related to these classes can be freed, lowering the overall footprint of the application. Class unloading in ZGC happens concurrently, without stopping the execution of Java application threads, and has zero impact on GC pause times. This feature is enabled by default, but can be disabled by using the command line option `-XX:-ClassUnloading`.

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