Add option to override dbcp size

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

@@ -40,6 +40,7 @@ public class MySQL implements DataSource {
     private String password;
     private String database;
     private String tableName;
+    private int poolSize;
     private List<String> columnOthers;
     private Columns col;
     private HashAlgorithm hashAlgorithm;
@@ -98,6 +99,10 @@ public class MySQL implements DataSource {
         this.phpBbPrefix = settings.getProperty(HooksSettings.PHPBB_TABLE_PREFIX);
         this.phpBbGroup = settings.getProperty(HooksSettings.PHPBB_ACTIVATED_GROUP_ID);
         this.wordpressPrefix = settings.getProperty(HooksSettings.WORDPRESS_TABLE_PREFIX);
+        this.poolSize = settings.getProperty(DatabaseSettings.MYSQL_POOL_SIZE);
+        if(poolSize == -1) {
+            poolSize = RuntimeUtils.getCoreCount();
+        }
     }
 
     private void setConnectionArguments() throws RuntimeException {
@@ -105,7 +110,7 @@ public class MySQL implements DataSource {
         ds.setPoolName("AuthMeMYSQLPool");
 
         // Pool size
-    	ds.setMaximumPoolSize(RuntimeUtils.getCoreCount());
+    	ds.setMaximumPoolSize(poolSize);
 
         // Database URL
         ds.setJdbcUrl("jdbc:mysql://" + this.host + ":" + this.port + "/" + this.database);

src/main/java/fr/xephi/authme/settings/properties/DatabaseSettings.java

@@ -98,6 +98,10 @@ public class DatabaseSettings implements SettingsHolder {
     public static final Property<String> MYSQL_COL_GROUP =
         newProperty("ExternalBoardOptions.mySQLColumnGroup", "");
 
+    @Comment("Overrides the size of the DB Connection Pool, -1 = Auto")
+    public static final Property<Integer> MYSQL_POOL_SIZE =
+        newProperty("DataSource.poolSize", -1);
+
     private DatabaseSettings() {
     }
 

src/main/resources/config.yml

@@ -40,6 +40,8 @@ DataSource:
     mySQLlastlocWorld: world
     # Column for RealName
     mySQLRealName: realname
+    # Overrides the size of the DB Connection Pool, -1 = Auto
+    poolSize: -1
 settings:
     sessions:
         # Do you want to enable the session feature?