Data base settings connection pooling

where i have to edit the number of ConnectionPoolingMaxActive , because the below error appears on the production server and stops the service and it seems that this number is limited for 50 only  ERROR - ConnectionBus: Opening JDBC connection to failed with SQLState: null Error code: 0 Message: Cannot get a connection, pool error Timeout waiting for idle object Retrying...(1/4) Do i have to add this ling on the settings.yaml and add a row that contains  ConnectionPoolingMaxActive : 2000 
1 answers

go through this document you may get what you want