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    Enhancement 
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    Resolution: Unresolved
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     P4 P4
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    None
                    If garbage collection (or refinement) detects many empty cards (particularly to-cset cards), it might be useful to concurrently re-refine cards (i.e. try to clear them out) to decrease their number to scan during garbage collection, or during refinement over and over again.
            
- relates to
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                    JDK-8342382 Implement JEP 522: G1 GC: Improve Throughput by Reducing Synchronization -           
- Resolved
 
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