Date: Thu, 8 Jun 2023 20:38:26 +0800
Subject: 8198510: Enable UseDynamicNumberOfGCThreads by default

Bug url: https://bugs.openjdk.org/browse/JDK-8198510
---
 hotspot/src/share/vm/runtime/globals.hpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/hotspot/src/share/vm/runtime/globals.hpp b/hotspot/src/share/vm/runtime/globals.hpp
index ac9165031..bdc49332a 100644
--- a/hotspot/src/share/vm/runtime/globals.hpp
+++ b/hotspot/src/share/vm/runtime/globals.hpp
@@ -1504,9 +1504,10 @@ class CommandLineFlags {
   product(uintx, ParallelGCThreads, 0,                                      \
           "Number of parallel threads parallel gc will use")                \
                                                                             \
-  product(bool, UseDynamicNumberOfGCThreads, false,                         \
-          "Dynamically choose the number of parallel threads "              \
-          "parallel gc will use")                                           \
+  product(bool, UseDynamicNumberOfGCThreads, true,                          \
+          "Dynamically choose the number of threads up to a maximum of "    \
+          "ParallelGCThreads parallel collectors will use for garbage "     \
+          "collection work")                                                \
                                                                             \
   diagnostic(bool, ForceDynamicNumberOfGCThreads, false,                    \
           "Force dynamic selection of the number of "                       \
-- 
2.22.0