Mysql CP performance enhancements

src/main/java/fr/xephi/authme/datasource/MySQL.java

@@ -12,6 +12,7 @@ import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.settings.properties.DatabaseSettings;
 import fr.xephi.authme.settings.properties.HooksSettings;
 import fr.xephi.authme.settings.properties.SecuritySettings;
+import fr.xephi.authme.util.RuntimeUtils;
 import fr.xephi.authme.util.StringUtils;
 
 import java.sql.Blob;
@@ -100,6 +101,9 @@ public class MySQL implements DataSource {
         ds = new HikariDataSource();
         ds.setPoolName("AuthMeMYSQLPool");
 
+        // Pool size
+    	ds.setMaximumPoolSize(RuntimeUtils.getCoreCount());
+
         // Database URL
         ds.setJdbcUrl("jdbc:mysql://" + this.host + ":" + this.port + "/" + this.database);
 
@@ -118,7 +122,7 @@ public class MySQL implements DataSource {
 
         // Caching
         ds.addDataSourceProperty("cachePrepStmts", "true");
-        ds.addDataSourceProperty("prepStmtCacheSize", "250");
+        ds.addDataSourceProperty("prepStmtCacheSize", "275");
         ds.addDataSourceProperty("prepStmtCacheSqlLimit", "2048");
 
         ConsoleLogger.info("Connection arguments loaded, Hikari ConnectionPool ready!");

src/main/java/fr/xephi/authme/util/RuntimeUtils.java

@@ -0,0 +1,7 @@
+package fr.xephi.authme.util;
+
+public class RuntimeUtils {
+	public static int getCoreCount() {
+		return Runtime.getRuntime().availableProcessors();
+	}
+}