JDK-6674504 : Disable ZapUnusedHeapArea to reduce GC execution times of debug JVM's.
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs11
  • Priority: P3
  • Status: Closed
  • Resolution: Duplicate
  • OS: generic
  • CPU: generic
  • Submitted: 2008-03-12
  • Updated: 2010-04-03
  • Resolved: 2008-03-13
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Other
hs12Resolved
Related Reports
Duplicate :  
Description
JPRT has had random timeouts on 64bit systems when large heaps are used 
because of the time to mangle the unused parts of the heap.  Disable
ZapUnusedHeapArea until the performance of the mangling code can be
improved.