JDK-8041946 : CMM Testing: 8u40 an allocated humongous object at the end of the heap should not prevents shrinking the heap
- Type: Enhancement
- Component: hotspot
- Sub-Component: gc
- Affected Version: 8u40,9
- Priority: P2
- Status: Resolved
- Resolution: Fixed
- Submitted: 2014-04-25
- Updated: 2015-06-03
- Resolved: 2014-09-11
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| JDK 8 | JDK 9 |
|---|---|
8u40Fixed  |
9 b33Fixed |
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Description
Test similar to gc/g1/TestHumongousShrinkHeap.java is required.
Test should allocate small objects mixed with humongous ones
"ssssHssssHssssHssssHssssHssssHssssH"
Release all allocated object except the last humongous one
"..................................H"
Invoke gc and check that memory returned to the system (amount of committed memory got down)
Comments
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