Cassandra clients warning about protocol version on storage startup
2024-08-26T12:11:00.110592676Z storage-cassandra-read-only {"asctime": "2024-08-26 12:11:00,110", "levelname": "WARNING", "processName": "MainProcess", "process": 13, "threadName": "ThreadPoolExecutor-0_0", "pathname": "/opt/swh/.local/lib/python3.10/site-packages/swh/storage/cassandra/cql.py", "lineno": 365, "funcName": "__init__", "name": "cassandra.cluster", "message": "Downgrading core protocol version from 66 to 65 for 192.168.130.181:9042. To avoid this, it is best practice to explicitly set Cluster(protocol_version) to the version supported by your cluster. http://datastax.github.io/python-driver/api/cassandra/cluster.htm
l#cassandra.cluster.Cluster.protocol_version"}
2024-08-26T12:11:00.113452580Z storage-cassandra-read-only {"asctime": "2024-08-26 12:11:00,113", "levelname": "WARNING", "processName": "MainProcess", "process": 13, "threadName": "ThreadPoolExecutor-0_0", "pathname": "/opt/swh/.local/lib/python3.10/site-packages/swh/storage/cassandra/cql.py", "lineno": 365, "funcName": "__init__", "name": "cassandra.cluster", "message": "Downgrading core protocol version from 65 to 5 for 192.168.130.181:9042. To avoid this, it is best practice to explicitly set Cluster(protocol_version) to the version supported by your cluster. http://datastax.github.io/python-driver/api/cassandra/cluster.html
#cassandra.cluster.Cluster.protocol_version"}No sure how this is bad or not. Tracing the question for the record and decision tracking