JDK-8211270 : GC abstraction to get real object and headers size
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 12
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2018-09-28
  • Updated: 2020-07-09
  • Resolved: 2018-10-10
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JDK 12
12 b15Fixed
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Description
Shenandoah GC uses one extra word per object. Some places need to know the real object or header size (fwd ptr plus object).