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  1. JDK
  2. JDK-8225229

Shenandoah: trim down default number of GC threads

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    • Icon: Enhancement Enhancement
    • Resolution: Fixed
    • Icon: P3 P3
    • 13
    • 8-shenandoah, 11-shenandoah, 13
    • hotspot
    • gc
    • b24

        We can trim down the default number of GC threads to make Shenandoah more cooperative with the application and OS scheduler. We routinely trim down concurrent threads to 2..4 when deploying, and better default would make deployment stories simpler.

        NB: ZGC sets 0.6*CPU for parallel and 0.125*CPU for concurrent threads.

          1.
          		 Release Note: Shenandoah reduces the default number of GC threads Sub-task Closed Aleksey Shipilev  

              shade Aleksey Shipilev
              shade Aleksey Shipilev
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