JDK-8238979 : Improve G1DirtyCardQueueSet handling of previously paused buffers
- Type: Enhancement
- Component: hotspot
- Sub-Component: gc
- Affected Version: 15
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- Submitted: 2020-02-12
- Updated: 2020-03-02
- Resolved: 2020-02-26
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| JDK 15 |
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15 b12Fixed  |
Related Reports
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Description
G1DirtyCardQueueSet contains a mechanism for recording buffers whose contained cards were being refined, to pause that refinement processing for a pending safepoint. The (internal) protocol around this mechanism could be simplified by having record_paused_buffer() call enqueue_previous_paused_buffer(), eliminating the need for callers to ensure ordering of those calls. This would permit other improvements.
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