scale down dataflow-app pool

crss-dataflow-app/crss-dataflow-app-qa.yml

@@ -5,7 +5,7 @@ spring:
       username: admin
       password: password
       driverClassName: org.postgresql.Driver
-      maxPoolSize: 20
+      maxPoolSize: 5
       connectionTimeout: 10000
       test-on-borrow: true
       validation-query: SELECT 1