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diff src/share/vm/gc_implementation/g1/g1_globals.hpp @ 20296:a3953c777565

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8027959: Early reclamation of large objects in G1 Summary: Try to reclaim humongous objects at every young collection after doing a conservative estimate of its liveness. Reviewed-by: brutisso, mgerdin
author tschatzl
date Wed, 23 Jul 2014 09:03:32 +0200
parents e0954897238a
children bfba6779654b
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--- a/src/share/vm/gc_implementation/g1/g1_globals.hpp	Mon Jul 21 10:00:31 2014 +0200
+++ b/src/share/vm/gc_implementation/g1/g1_globals.hpp	Wed Jul 23 09:03:32 2014 +0200
@@ -289,6 +289,13 @@
           "The amount of code root chunks that should be kept at most "     \
           "as percentage of already allocated.")                            \
                                                                             \
+  experimental(bool, G1ReclaimDeadHumongousObjectsAtYoungGC, true,          \
+          "Try to reclaim dead large objects at every young GC.")           \
+                                                                            \
+  experimental(bool, G1TraceReclaimDeadHumongousObjectsAtYoungGC, false,    \
+          "Print some information about large object liveness "             \
+          "at every young GC.")                                             \
+                                                                            \
   experimental(uintx, G1OldCSetRegionThresholdPercent, 10,                  \
           "An upper bound for the number of old CSet regions expressed "    \
           "as a percentage of the heap size.")                              \