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Singularity
Scheduler (HTTP API and webapp) for running Mesos tasks—long running processes, one-off tasks, and scheduled jobs. #hubspot-open-source (by HubSpot)
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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.
The real gem of the Mesos ecosystem was the much lesser known Singularity scheduler from HubSpot.
https://github.com/HubSpot/Singularity
I've run this at scale, in production since 2015 and it has been absolutely rock solid and does most of the production things you'd want. Unlike commercial products, it was written to run HubSpot's own infrastructure so it does what a production system needs. Really bummed to have to downgrade to something like K8s in the near future.