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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Well, just asign tickets t yourself - basicly any ticketsystem can do this :) I use zammad for myself: https://zammad.org (there is also SaaS for this starting 5$ a month or so. There are TONS of such tools ...
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