On 10/06/2015 05:20 AM, ESWAR RAO wrote: > Has anyone done any performance tests on heat-api servers on any > standard setup so as to know how many stack requests it can handle > before it can stumble so that we can deploy scaling of heat-servers ?? It depends on your environment and you should run your own tests. Have a look at https://github.com/openstack/rally/tree/master/samples/tasks/scenarios/heat for a lot of prepared scenarios for Heat. HTH, Christian. -- Christian Berendt Cloud Solution Architect Mail: berendt at b1-systems.de B1 Systems GmbH Osterfeldstraße 7 / 85088 Vohburg / http://www.b1-systems.de GF: Ralph Dehner / Unternehmenssitz: Vohburg / AG: Ingolstadt,HRB 3537