JDK-8197570 : Make rules for choosing collection set candidates more explicit
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 11
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2018-02-12
  • Updated: 2018-06-21
  • Resolved: 2018-03-26
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JDK 11
11 b10Fixed
Related Reports
Blocks :  
JDK-8180415 - Rebuild remembered sets during the concurrent cycle
Description
Make the rules (occupancy) for choosing collection set candidates more explicit. This is needed for some optimizations for rebuilding remembered sets concurrently (JDK-8180415).

In particular:
- allow iteration over the regions in the collection set to drop remembered sets
- make the candidate selection threshold explicit