Mezmo change history: Ingestion, Searching, Live Tail, Alerting, Graphing, and Timelines Delays

Mezmo reported a critical outage: ingestion halted, delaying Searching, Live Tail, Alerting, Graphing, and Timelines; some alerts never triggered. The incident ran from 2022-01-26 16:10 UTC to 2022-01-26 17:15 UTC, lasting 1 h 5 min. A fix restored ingestion and all services by 16:58 UTC.