Select nearest numa node on numa aware platforms and gcs

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    • Type: Enhancement
    • Resolution: Unresolved
    • Priority: P4
    • tbd
    • Affects Version/s: 17
    • Component/s: hotspot
    • None
    • gc

      Currently, when numa supporting GCs allocate memory on numa aware platforms, they do not consider numa distance if there is no space on preferred node, but select a random node.
      But it's better to consider the distance and select nearest node in such situation.

        1.
        		 G1: Select nearest numa node in G1 GC Sub-task Open Hamlin Li  
        2.
        		 PS: Select nearest numa node in parallel GC Sub-task Open Hamlin Li  
        3.
        		 Shen: G1: Select nearest numa node in Shenandoah GC Sub-task Open Hamlin Li  
        4.
        		 ZGC: Select nearest numa node in ZGC Sub-task Open Hamlin Li  

            Assignee:
            Hamlin Li
            Reporter:
            Hamlin Li
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              Created:
              Updated: