[MESOS-2747] Add "watch" to the state abstraction

• Type: Wish
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: c++ api, java api
• Labels: mesosphere
• Assignee: Unassigned
• Reporter: Connor Doyle
• Created: 18/May/15 22:03
• Updated: 06/Oct/15 02:52

Description

Use case: Frameworks that intend to survive failover tend to implement leader election. Adding the ability to listen for changes to a variable's value could be a first step towards reusable leader election libraries that don't depend on a particular backing store.

cc kozyraki

Issue Links

• relates to: MESOS-2916 Expose State API via HTTP