[HELIX-268] Atomic API

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.7.0-incubating
• Component/s: helix-core, helix-webapp-admin
• Sprint: Sprint #3 9/9 - 10/1, Sprint #4 10/2 - 10/16
• Assignee: Kanak Biscuitwala
• Reporter: Kanak Biscuitwala
• Created: 07/Oct/13 20:02
• Updated: 13/Nov/13 04:35
• Resolved: 17/Oct/13 20:10

Description

We need to support doing logical admin operations atomically. In the past, we assumed that admin operations would typically be manual, but in practice this hasn't always been the case.

Common use cases:

• simultaneous cluster setup with one winner
• compare-and-swap style of updates