Why are there 21 separate service accounts?

[#1]

The admins want to know why every service has its own account ID, and is there any harm is using the same account for all? The cluster will be tightly secured. What is the best practice?

[#2 · Accepted solution]

Closing this as a redirect to https://community.hortonworks.com/questions/3034/running-all-services-as-same-user.html?redirectedFr...