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Atlas vs VictoriaMetrics

Atlas: Netflix's in-memory dimensional time-series database for operational metrics, queried with a stack language. VictoriaMetrics: Resource-frugal, Prometheus-compatible metrics database, run as a single binary or a sharded cluster.

key differences

  • Only Atlas has in-memory.
  • Only VictoriaMetrics has ttl / expiry, durable persistence, compression.

choose atlas for

  • +Operational metrics and dashboards for large microservice fleets
  • +Near-real-time alerting on dimensional service metrics
  • +Drill-down on high-cardinality request metrics during incidents

best at · Observability, Time-series

choose victoriametrics for

  • +Long-term storage for Prometheus metrics
  • +Kubernetes monitoring with vmagent and the operator
  • +Consolidating Graphite, Influx and Prometheus metrics in one store
  • +High-rate IoT telemetry

best at · Observability, Time-series, IoT

AtlasNetflix's in-memory dimensional time-series database for operational metrics, queried with a stack language.
VictoriaMetricsResource-frugal, Prometheus-compatible metrics database, run as a single binary or a sharded cluster.
overview
Primary model
Time-Series
Time-Series
Also supports
–
–
Type
Database engine
Database engine
Status
Active
Active
Developer
Netflix
VictoriaMetrics Inc.
First release
2014
2018
Latest version
1.8.2 (Feb 27, 2026)
1.155.0 (Oct 26, 2026)
License
Open source (permissive)Apache License 2.0
Open source (permissive)Apache License 2.0
Free tier
✓
✓
popularity
WhichDB Score
3.0
26.8
Rank
#450
#109
GitHub stars
3.6K
17.9K
Stack Overflow questions
–
143
scale & guarantees
Comfortable data size
Large (≤ 1 PB)
Large (≤ 1 PB)
Horizontal scaling
Native
Native
Multi-region
None
None
ACID
None
None
Consistency
Eventual
Eventual
Schema
Schemaless
Schemaless
Architecture
In memory, Distributed
Single node, Distributed, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
–
AWS
capabilities
Transactions
—
—
Joins
—
—
Secondary indexes
—
—
Full-text search
—
—
Vector search
—
—
Geospatial
—
—
JSON
—
—
Change data capture
—
—
Triggers
—
—
Stored procedures
—
—
Materialized views
—
—
TTL / expiry
—
✓
Pub/Sub
—
—
Columnar storage
—
—
In-memory
✓
—
Durable persistence
—
✓
Compression
—
✓
Encryption at rest
—
—
Role-based access
—
—
Time travel
—
—
Branching
—
—
Online schema changes
—
—
Streaming ingest
✓
✓
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
Atlas Stack Language (ASL)
MetricsQL, PromQL
Client languages
Java, Go, C++, Python, Node.js
–
Best for
Observability, Time-series
Observability, Time-series, IoT
Add more to this comparisonNot sure either fits? Try smart match

Atlas vs VictoriaMetrics: FAQ

What is the difference between Atlas and VictoriaMetrics?

Atlas: Netflix's in-memory dimensional time-series database for operational metrics, queried with a stack language. VictoriaMetrics: Resource-frugal, Prometheus-compatible metrics database, run as a single binary or a sharded cluster. Only Atlas has in-memory. Only VictoriaMetrics has ttl / expiry, durable persistence, compression.

When should I choose Atlas over VictoriaMetrics?

Choose Atlas for operational metrics and dashboards for large microservice fleets; near-real-time alerting on dimensional service metrics; and drill-down on high-cardinality request metrics during incidents. Choose VictoriaMetrics for long-term storage for Prometheus metrics; kubernetes monitoring with vmagent and the operator; and consolidating Graphite, Influx and Prometheus metrics in one store.

Is Atlas or VictoriaMetrics more popular?

VictoriaMetrics ranks #109 on the WhichDB Score (26.8/100) and Atlas ranks #450 (3.0/100). Popularity is not fit: check the requirements that matter for your project.

Are Atlas and VictoriaMetrics open source?

Yes. Atlas is open source. License: Apache License 2.0. Yes. VictoriaMetrics is open source. License: Apache License 2.0.