more performance tweaks

src/main/java/com/commafeed/backend/services/FeedUpdateService.java

@@ -7,8 +7,6 @@ import java.util.List;
 
 import javax.ejb.Asynchronous;
 import javax.ejb.Stateless;
-import javax.ejb.TransactionAttribute;
-import javax.ejb.TransactionAttributeType;
 import javax.inject.Inject;
 
 import org.apache.commons.collections.CollectionUtils;
@@ -28,7 +26,6 @@ import com.commafeed.backend.model.FeedSubscription;
 import com.google.common.collect.Lists;
 
 @Stateless
-@TransactionAttribute(TransactionAttributeType.NOT_SUPPORTED)
 public class FeedUpdateService {
 
 	@Inject

src/main/tomee/conf/tomee.xml

@@ -3,10 +3,10 @@
 <!-- 
 	<Resource id="MySQL" type="DataSource">
 		JdbcDriver com.mysql.jdbc.Driver
-		JdbcUrl	jdbc:mysql://localhost/commafeed?useUnicode=true&amp;characterEncoding=UTF-8&amp;autoReconnect=true
+        JdbcUrl jdbc:mysql://localhost/commafeed?useUnicode=true&amp;characterEncoding=UTF-8&amp;autoReconnect=true&amp;failOverReadOnly=false&amp;maxReconnects=20
 		UserName cf
 		Password cf
-		MaxActive 40
+		MaxActive 50
 	</Resource>
  -->
 	<Container id="CommaFeedStateless" type="STATELESS">