JDK-8276148 : G1: Support reclaiming memory used in G1EvacFailureObjectsSet
  • Type: Sub-task
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 18
  • Priority: P4
  • Status: Resolved
  • Resolution: Withdrawn
  • Submitted: 2021-10-29
  • Updated: 2022-01-17
  • Resolved: 2022-01-17
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tbdResolved
Related Reports
Relates :  
JDK-8274993 - G1: support concurrent freeing of segments after GC in evacuation failure handling
Relates :  
JDK-8254739 - G1: Optimize evacuation failure for regions with few failed objects
Description
Currently, G1SegmentedArrayBufferList in G1EvacFailureObjectsSet is not reclaimed, this may retain unnecessary memory, it should be reclaimed (partially) at some point (concurrently).

https://github.com/openjdk/jdk/pull/5181#discussion_r737592797
Comments
With the implementation of JDK-8278917, there is no need to suppport reclaiming memory of G1EvacFailureObjectsSet, as G1EvacFailureObjectsSet is removed.
17-01-2022