Set Correct location for better CPU performance for Mob Spawning

src/main/java/org/bukkit/craftbukkit/CraftServer.java

@@ -645,12 +645,12 @@ public final class CraftServer implements Server {
 
     @Override
     public int getTicksPerAnimalSpawns() {
-        return this.configuration.getInt("ticks-per.animal-spawns", 400);
+        return this.configuration.getInt("ticks-per.animal-spawns");
     }
 
     @Override
     public int getTicksPerMonsterSpawns() {
-        return this.configuration.getInt("ticks-per.monster-spawns", 3);
+        return this.configuration.getInt("ticks-per.monster-spawns");
     }
 
     @Override

src/main/resources/configurations/bukkit.yml

@@ -11,6 +11,14 @@
 # Forums: http://forums.bukkit.org/forums/bukkit-help.6/
 # Twitter: http://twitter.com/CraftBukkit
 # Bug tracker: http://leaky.bukkit.org/
+# 
+# Replace the database section if you have access to a MySQL server for better performance with what's below
+# database:
+#   username: {USERNAME}
+#   isolation: SERIALIZABLE
+#   driver: com.mysql.jdbc.Driver
+#   password: {PASSWORD}
+#   url: jdbc:mysql://{IP}:{PORT}/{DATABASENAME}
 
 
 settings:
@@ -26,17 +34,17 @@ settings:
     deprecated-verbose: default
     shutdown-message: Server closed
 spawn-limits:
-    monsters: 70
-    animals: 15
-    water-animals: 5
-    ambient: 15
+    monsters: 50
+    animals: 10
+    water-animals: 3
+    ambient: 5
 chunk-gc:
-    enabled: false
-    period-in-ticks: 600
-    load-threshold: 0
+    enabled: true
+    period-in-ticks: 300
+    load-threshold: 300
 ticks-per:
     animal-spawns: 400
-    monster-spawns: 1
+    monster-spawns: 20
     autosave: 6000
 auto-updater:
     enabled: false