experimenting with capping + reduces some jvm internal space (metaspace, directmemory, threadstack)

Author: anirbanmu

docker/entrypoint.sh

@@ -26,6 +26,11 @@ exec java \
   -XX:ReservedCodeCacheSize=16m \
   -XX:TieredStopAtLevel=1 \
   \
+  -XX:MaxMetaspaceSize=24m \
+  -XX:MetaspaceSize=16m \
+  -XX:MaxDirectMemorySize=16m \
+  -XX:ThreadStackSize=512 \
+  \
   -Dconfig="$CONFIG_PATH" \
   -jar wen.jar \
   "$@"