JDK-8154528 : Reclaim regions emptied by marking in Remark pause
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 9
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2016-04-19
  • Updated: 2018-06-21
  • Resolved: 2018-04-18
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JDK 11
11 b11Fixed
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Currently we reclaim dead humongous objects (and in general completely empty regions) after the Cleanup pause. It may take a while from Remark to Cleanup.

One option to speed up this process would be to reclaim empty regions in the Remark pause.
Also calculate the amount of marked bytes for every region in the remark pause.