JDK-8309117 : G1: Failure to allocate all regions for a CDS archive will leave heap regions as committed/free
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 21
  • Priority: P4
  • Status: Open
  • Resolution: Unresolved
  • Submitted: 2023-05-30
  • Updated: 2023-05-31
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Other
tbdUnresolved
Related Reports
Relates :  
JDK-8308854 - G1 archive region allocation may expand/shrink the heap above/below -Xms
Description
When HeapRegionManager::allocate_containing_regions() fails to allocate parts of the regions for the given memory area, it will leave around committed/free regions, even if they were committed before.

It would be nice if the committed regions were uncommitted again.