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Enhancement
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Resolution: Unresolved
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P4
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None
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None
Currently refinement is based on current mutator activity, which may cause needless re-refinement.
Actually it is only required to try to get the number of scanned cards down to a minimum just before garbage collection. The remaining time they can sit on the card table.
I.e. ideally only refine once completing just before gc. That could also fix/improve JDK-8368935.
Actually it is only required to try to get the number of scanned cards down to a minimum just before garbage collection. The remaining time they can sit on the card table.
I.e. ideally only refine once completing just before gc. That could also fix/improve JDK-8368935.
- relates to
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JDK-8368935 G1: Too much refinement activity after JEP 522 causing throughput regression in stress test
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- New
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JDK-8342382 Implement JEP 522: G1 GC: Improve Throughput by Reducing Synchronization
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- Resolved
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