[HDDS-2358] Change to replication factor THREE in acceptance tests

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.5.0
• Component/s: test
• Target Version/s: 0.5.0
• Assignee: Attila Doroszlai
• Reporter: Attila Doroszlai
• Created: 24/Oct/19 10:36
• Updated: 24/Feb/20 20:50
• Resolved: 24/Oct/19 14:18

Description

Acceptance test clusters are currently configured to replication factor of ONE. This way the test succeeds in spite of Ratis leader election problems (note "term 1464"):

https://raw.githubusercontent.com/elek/ozone-ci-q4/master/pr/pr-hdds-2305-c92ks/acceptance/docker-ozones3-ozones3-s3-scm.log

datanode_2  | 2019-10-15 03:18:06,953 INFO impl.RoleInfo: 749b19c7-0772-44d2-8efd-0664e6aa0748: start FollowerState
datanode_2  | 2019-10-15 03:18:06,953 INFO impl.FollowerState: 749b19c7-0772-44d2-8efd-0664e6aa0748@group-D5F35BC43A13-FollowerState was interrupted: java.lang.InterruptedException: sleep interrupted
datanode_2  | 2019-10-15 03:18:07,090 INFO impl.RaftServerImpl: 749b19c7-0772-44d2-8efd-0664e6aa0748@group-D5F35BC43A13: changes role from  FOLLOWER to FOLLOWER at term 1464 for recognizeCandidate:5ce55bf6-dbcc-40fb-8fb4-6e78032f4b8c
datanode_2  | 2019-10-15 03:18:07,090 INFO impl.RoleInfo: 749b19c7-0772-44d2-8efd-0664e6aa0748: shutdown FollowerState

The goal of this change is to configure factor of THREE, to allow acceptance test to catch such issues.

Issue Links

• links to: GitHub Pull Request #78