CH2 mixed workload runs failed on build 7.1.0-2123

Analytics CH2 performance runs failed on build 7.1.0-2123. The transaction-only runs don't hit the same issue. There are many warning messages in the CH2 log. The issue is reproducible. The last good run was running on build 7.1.0-2021.

01-23-2022 08:39:59 [execute:124] INFO : Failed to execute Transaction 'NEW_ORDER': 'results'

01-23-2022 08:40:00 [execute:124] INFO : Failed to execute Transaction 'NEW_ORDER': 'results'

...

01-23-2022 08:40:02 [urlopen:751] WARNING: Retrying (Retry(total=9, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f45752d80d0>: Failed to establish a new connection: [Errno 111] Connection refused')': /analytics/service

01-23-2022 08:40:02 [urlopen:751] WARNING: Retrying (Retry(total=8, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f45752d81f0>: Failed to establish a new connection: [Errno 111] Connection refused')': /analytics/service 

Build: 7.1.0-2123

Job: http://perf.jenkins.couchbase.com/job/oceanus/7897/

CH2 log: http://perf.jenkins.couchbase.com/job/oceanus/7897/artifact/ch2_mixed.log

Logs:

https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-oceanus-7897/172.23.96.205.zip

https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-oceanus-7897/172.23.96.57.zip

https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-oceanus-7897/172.23.96.5.zip

https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-oceanus-7897/172.23.96.7.zip

https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-oceanus-7897/172.23.96.8.zip

https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-oceanus-7897/172.23.96.9.zip