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8242042: Shenandoah: tune down ShenandoahGarbageThreshold

Reviewed-by: rkennke
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shipilev committed Apr 3, 2020
1 parent f82e44c commit 62b7404bd99f80e810a878a100c7314211d88f40
Showing with 4 additions and 3 deletions.
  1. +4 −3 src/hotspot/share/gc/shenandoah/shenandoah_globals.hpp
@@ -94,11 +94,12 @@
"GC cycles, as degenerated and full GCs would try to unload " \
"classes regardless. Set to zero to disable class unloading.") \
\
experimental(uintx, ShenandoahGarbageThreshold, 60, \
experimental(uintx, ShenandoahGarbageThreshold, 25, \
"How much garbage a region has to contain before it would be " \
"taken for collection. This a guideline only , as GC heuristics " \
"taken for collection. This a guideline only, as GC heuristics " \
"may select the region for collection even if it has little " \
"garbage. In percents of heap region size.") \
"garbage. This also affects how much internal fragmentation the " \
"collector accepts. In percents of heap region size.") \
range(0,100) \
\
experimental(uintx, ShenandoahInitFreeThreshold, 70, \

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