# Saturday, 26 February 2011
Hannes raises a great question about Change Sets in my previous blog post on Release Management.

"One thing I really like about the deployment connections are, that you have a deployment history right in your salesforce live-org. With comments and an insight into the packages.

Which pros do you see as for deploying with the ant script?"


We occasionally use change sets at Facebook. The decision to use Ant vs. Change Sets is akin to a Vi vs. Emacs religious war. They both accomplish the same thing, just in different ways.

General best practice guidelines:
  • Initial deployments of new custom applications are much easier using Change Sets
  • Incremental deployments are more easily managed using Ant
The decision to standardize on Ant packages is largely for compliance reasons. When there is a need to internally document who changed what and when, a SVN repository of all changes with author and reviewer notes satisfies most compliance requirements (such as Sarbanes-Oxley)

Some high level thoughts on the 2 approaches:
  • Some metadata simply is not packageable via Ant, therefore Change Sets must be used
  • The dependency checker in the Change Set packager, while not 100% perfect, is much more reliable than manually adding 100+ individual components
  • In the absence of an IT-Engineer who can create Ant packages, business process owners and non-technical users always have the fallback option of using change sets
  • Prior to Spring '11, invalid inbound change sets could not be deleted, resulting in an accumulation of cruft
  • The ability to delete deployed change sets in Spring '11 removes the ability to audit change history (a compliance violation)
  • The ephemeral nature of some sandboxes means constantly re-establishing deployment connections.
Tuesday, 12 April 2011 18:26:42 (Pacific Daylight Time, UTC-07:00)
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