where does the MiddleManager Node "Runtime.properties" file exist?

[zengzhihai110]

where does the MiddleManager Node "Runtime.properties" file exist?

[nishantmonu51]

if you are looking for the location of runtime.properties is to be added to the classpath of middlemanager.
If you are looking for a sample prod configs - you can find them here - http://druid.io/docs/latest/configuration/production-cluster.html