[HDDS-3698] Ozone Non-Rolling upgrades

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Labels: pull-request-available
• Target Version/s: 1.2.0
• Assignee: Aravindan Vijayan
• Reporter: Aravindan Vijayan
• Created: 01/Jun/20 19:23
• Updated: 17/Aug/22 15:51
• Resolved: 14/Jul/21 21:15

Description

Support for Non-rolling upgrades in Ozone.

Issue Links

• requires: RATIS-1305 Leader stuck in infinite install snapshot cycle when logs have been purged
• requires: RATIS-1194 SegmentedRaftLog syncWithSnapshot should not create a new open segment.
• requires: RATIS-1241 Leader unable to append logs to a recovering follower when its logs have been purged.
• requires: RATIS-1088 SegmentedRaftLogWorker#closeLogSegment should also roll the open segment maintained in the cache.
• requires: RATIS-1195 Log Entry Validation in appendEntry can fail after log purge.
• requires: RATIS-1216 State machine preAppend callback can throw exception without having leader to step down.
• links to: GitHub Pull Request #2121
• links to: GitHub Pull Request #2180
• links to: GitHub Pull Request #2390