JDK-8175175 : Release Note: VM Options AdaptiveSizePausePolicy and ParallelGCRetainPLAB are obsolete
  • Type: Sub-task
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 9
  • Priority: P4
  • Status: Closed
  • Resolution: Delivered
  • Submitted: 2017-02-17
  • Updated: 2017-09-22
  • Resolved: 2017-04-21
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JDK 9
9Resolved
Description
The VM Options `-XX:AdaptiveSizePausePolicy` and `-XX:ParallelGCRetainPLAB` are obsolete in JDK 9 and are ignored. Use of these options will result in a warning being issued in JDK 9 and they may be removed completely in a future release. 

The VM Option `-XX:AdaptiveSizePausePolicy` has been unused for some time.

The VM Option  `-XX:ParallelGCRetainPLAB` was a diagnostic flag relating to garbage collector combinations that no longer exist.