JDK-2122970 : CMS: large unused perm gen can degrade scavenge times on MP
  • Type: Backport
  • Backport of: JDK-6211366
  • Component: hotspot
  • Sub-Component: gc
  • Priority: P2
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2005-02-01
  • Updated: 2011-02-16
  • Resolved: 2005-02-11
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Other JDK 6
1.4.2_08 b02Fixed 6Fixed
Comments
EVALUATION same as in the notes for Mustang. ###@###.### 2005-2-01 08:28:19 GMT
01-02-2005

SUGGESTED FIX Fix backport from mustang --- In CompactibleFreeListSpace constructor delete _bt.alloc_block() call. 78 // entire committed part of the heap? 79 #if 0 // Investigating large parnew pauses for large perm gen 80 _bt.alloc_block(addr, addr + fc->size()); 81 #endif 82 } else { ###@###.### 2005-2-01 08:25:03 GMT ###@###.### 2005-2-01 08:28:19 GMT
01-02-2005