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Enhancement
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Resolution: Unresolved
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P4
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15
Similar to expansion, G1 could regularly check whether the GCTimeRatio is low enough (e.g. < 1/2 GCTimeRatio) to warrant heap shrinking.
Note that the amount of uncommit should be so that heap resizing activity during further operation is minimal.
- blocks
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JDK-8247843 Reconsider G1 default GCTimeRatio value
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- Open
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- is blocked by
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JDK-8244603 G1 incorrectly limiting young gen size when using the reserve can result in repeated full gcs
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- Resolved
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JDK-8248324 G1: Remove resizing during Remark
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- Open
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JDK-8243672 Short term pause time ratio calculation in G1 off
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- Resolved
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- relates to
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JDK-8238686 G1 may waste lots of space or fail to uncommit when observing MinHeapFreeRatio during sizing after full gc
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- Open
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JDK-8349939 G1: Configurable heap expansion aggressiveness
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- Closed
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JDK-8349978 G1: Reconsider G1 GCTimeRatio boosting during heap expansion for small heaps
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- Open
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