(windows) add flags for GC tuning and logging

(windows) add default heap size flags

@@ -12,4 +12,30 @@
     <startargument>-Dinstall.data_dir=%BASE%\data</startargument>
     <startargument>-Dinstall.data_dir=%BASE%\data</startargument>
     <startargument>-jar</startargument>
     <startargument>-jar</startargument>
     <startargument>%BASE%\lib\${pkg.name}.jar</startargument>
     <startargument>%BASE%\lib\${pkg.name}.jar</startargument>
+    <startargument>-Xloggc:%BASE%\logs\gc.log</startargument>
+    <startargument>-XX:+HeapDumpOnOutOfMemoryError</startargument>
+    <startargument>-XX:+PrintGCDetails</startargument>
+    <startargument>-XX:+PrintGCDateStamps</startargument>
+    <startargument>-XX:+PrintHeapAtGC</startargument>
+    <startargument>-XX:+PrintTenuringDistribution</startargument>
+    <startargument>-XX:+PrintGCApplicationStoppedTime</startargument>
+    <startargument>-XX:+UseGCLogFileRotation</startargument>
+    <startargument>-XX:NumberOfGCLogFiles=10</startargument>
+    <startargument>-XX:GCLogFileSize=10M</startargument>
+    <startargument>-XX:-UseBiasedLocking</startargument>
+    <startargument>-XX:+UseTLAB</startargument>
+    <startargument>-XX:+ResizeTLAB</startargument>
+    <startargument>-XX:+PerfDisableSharedMem</startargument>
+    <startargument>-XX:+UseCondCardMark</startargument>
+    <startargument>-XX:CMSWaitDuration=10000</startargument>
+    <startargument>-XX:+UseParNewGC</startargument>
+    <startargument>-XX:+UseConcMarkSweepGC</startargument>
+    <startargument>-XX:+CMSParallelRemarkEnabled</startargument>
+    <startargument>-XX:+CMSParallelInitialMarkEnabled</startargument>
+    <startargument>-XX:+CMSEdenChunksRecordAlways</startargument>
+    <startargument>-XX:CMSInitiatingOccupancyFraction=75</startargument>
+    <startargument>-XX:+UseCMSInitiatingOccupancyOnly</startargument>
+    <startargument>-Xms512m</startargument>
+    <startargument>-Xmx1024m</startargument>
+
 </service>
 </service>