ClickHouse is, by most benchmarks, one of the fastest analytical databases in existence — and that's the point of it: a general-purpose columnar store you build systems on, well beyond telemetry. To turn it into monitoring, though, you supply everything above the raw store: ingestion, a schema, dashboards, alert rules, and the judgment about what's worth waking someone for. Plexus is that whole layer, already built — it runs on a ClickHouse-class store and adds autonomous triage on top, so you get the speed and economics without standing up the database or hand-building the monitoring around it.
ClickHouse is a columnar olap / time-series database. ClickHouse is a fast database you could build a monitoring stack on; Plexus is built on a ClickHouse-class store and ships the monitoring already built — so for telemetry it replaces the database-plus-DIY stack rather than sitting on one. This page is written by Plexus, so read it with that in mind — we’ve tried to be straight about where ClickHouse is the better choice. Last updated June 2026.
Already run ClickHouse? Plexus can read it directly — no migration. If you don't, Plexus includes a ClickHouse-class store, so you get the same class of query speed and storage economics without operating the database yourself. Either way the difference is the same: a finished platform that does the triage and shows the reasoning, not a database you still have to build a monitoring stack on.
● full · ◐ partial · ○ not today
| Capability | Plexus | ClickHouse |
|---|---|---|
General-purpose OLAP and analytics beyond telemetry ClickHouse is a general database for far more than monitoring; Plexus is purpose-built for observability. | ◐ | ● |
Raw query speed and storage economics at scale Plexus is built on a ClickHouse-class store, so you get the same class of performance without running ClickHouse. | ● | ● |
Direct, arbitrary SQL over your raw data ClickHouse gives you full SQL over everything; Plexus exposes query but is shaped around monitoring, not arbitrary analytics. | ◐ | ● |
Monitoring, dashboards, and alerting out of the box ClickHouse is storage plus SQL; you'd build all of this yourself. | ● | ○ |
Decides what's worth a page rather than just answering queries A database answers queries; it has no concept of an alert, let alone a noisy one. | ● | ○ |
Root cause and a next step on each surfaced signal Operate-layer intelligence a database doesn't provide. | ● | ○ |
Runs on your existing ClickHouse with no migration If you already run ClickHouse, Plexus reads it directly. | ● | ● |
Pick ClickHouse Pick standalone ClickHouse if you want a general-purpose analytical database to build your own systems on — it's superb at that, far beyond telemetry — and you have the team to build and run the monitoring layer yourself.
Pick Plexus Pick Plexus if you want monitoring that works out of the box — the store, the dashboards, and autonomous triage as one platform — instead of standing up ClickHouse and hand-building ingestion, alerting, and the signal-versus-noise judgment on top of it.
For telemetry and monitoring, yes. Plexus is a full platform built on a ClickHouse-class store, so you get the speed and economics without running ClickHouse or building the monitoring layer yourself. ClickHouse is also a general-purpose analytical database for much more than telemetry — for those uses it's its own thing and Plexus isn't trying to replace it.
No. Plexus includes a time-series store, so you don't operate a separate database. If you already run ClickHouse, Plexus can read it directly with no migration.
Everything above the raw store: ingestion, dashboards, alerting, and autonomous signal-versus-noise triage with a root cause attached to each surfaced signal — done for you and shown transparently, without building or operating any of it.