[SLIDER-226] Provide mechanism for rolling upgrade

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Assignee: Gour Saha
• Reporter: Ted Yu
• Created: 11/Jul/14 04:21
• Updated: 28/Apr/15 20:04
• Resolved: 28/Apr/15 20:04

Description

update action paves the road for supporting rolling upgrade on Slider deployed cluster.
User can specify a different image for a running cluster with N instances for role R.
The rolling upgrade would restart each of the N instances while maintaining the invariant that there're at least N-1 active instances for role R.
After restart, new image would be effective.

This capability would, e.g., allow HBase to perform compatibility check across releases.

Issue Links

• is duplicated by: SLIDER-787 App Upgrade/Reconfig support in Slider