hafnium hosts eventlogging consumers that consume from eventlogging's :8600 zmq stream of valid eventlogging events. Analytics in the process of replacing eventlogging's backend with Kafka instead of zmq. the zmq stream will soon be turned off.
- webperf/ve.py , also T175083: Decommission webperf/ve.py daemon
- coal https://gerrit.wikimedia.org/r/415218, https://gerrit.wikimedia.org/r/421573