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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.
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kube-plex
Scalable Plex Media Server on Kubernetes -- dispatch transcode jobs as pods on your cluster!
not OP, but I have some experience with Kubernetes, plex is the last service that I haven't yet migrated to my K3s cluster. Generally speaking, Kubernetes doesn't mean HA, it does mean that if a node goes down, plex will ideally spin on on another (assuming everything is correctly configured) but an application needs to be designed specifically to be deployed in a HA way in order to scale horizontally like you are suggesting. You can see in the picture that only 1 Pod (a unit that holds a container) is actually running. There is/was a project to separate our transcode jobs into their own pods to allow for horizontal scaling of transcode jobs, but it looks like it hasn't been updated in years, sounds a bit hacky and I haven't had the confidence to try it just yet.
Unfortunately, most common software we host just isn't designed to take full advantage of kubernetes, for that to change there needs to be more of a focus by the developers and contributors to move in this direction.If you are interested in getting started with a cluster, I cant recommend this project enough. Setting up using ansible and controlling all of the configuration using git makes things really simple.
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