Grafana

Open-source observability and dashboards for time-series data.

Reviewed by 7wData
Updated

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Publisher review

Grafana is the visualization and dashboarding layer of the modern observability stack. Founded in 2014, it aggregates metrics, logs, traces, and profiles from 170+ data sources into unified dashboards. The open-source project is free to self-host; Grafana Cloud offers a managed tier (free to $55/month) and Enterprise starting at $25,000/year. With 35 million users, it is foundational infrastructure for most SRE and DevOps teams.

The platform's defining strength is openness: built on OpenTelemetry and Prometheus standards, it avoids vendor lock-in. The ecosystem is comprehensive—Mimir for scalable metrics, Loki for log aggregation, Tempo for distributed tracing, Pyroscope for continuous profiling—allowing teams to build end-to-end observability without monolithic vendor platforms.

However, Grafana faces structural user frustration documented in a widely-read Hacker News thread titled "I can't recommend Grafana anymore." First, breaking changes: dashboards and alerts require rebuilding nearly every year. One commenter describes this as "career-driven development," where engineers prioritize resume-building features over stability. Second, UI complexity has spiraled. Navigation once offered 4–5 key links; now it spans 10 menus with nested submenus, making it hard to find basic features like Dashboards or Alerts during incidents.

Pricing also surprises teams systematically. While the free tier is genuine (10k metrics series, 50 GB logs), real-world Cloud bills land 2–5× higher than estimates. High-cardinality metrics are the culprit: adding a second Kubernetes cluster doesn't double series count, it quadruples it. Debug-level logging flows into paid storage. Teams need operational maturity to manage labels and sampling from day one.

Grafana 13 (released May 2026) brings AI-assisted dashboards and tighter RBAC controls, but the core tension—balancing feature velocity with stability—remains. Best for large, experienced DevOps teams; risky for smaller organizations lacking operational bandwidth.

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How it works

  1. Dashboard builder

    Drag-and-drop editor with 120+ visualization types (graphs, tables, gauges, heatmaps, logs, traces) for building custom dashboards from any data source.

  2. Alerting engine

    Multi-condition alert rules with notification routing to Slack, PagerDuty, Opsgenie, email, and 40+ integrations; supports alert grouping and silencing.

  3. Loki log aggregation

    Log storage and querying without full-text indexing (uses labels like Prometheus), reducing storage costs 10× compared to traditional log platforms.

  4. Mimir metrics backend

    Horizontally scalable long-term storage for Prometheus metrics, supporting billions of active series with multi-tenancy and arbitrary retention.

  5. Tempo distributed tracing

    Scalable trace storage and querying with trace-to-metrics correlation, enabling investigation of slow requests across microservices.

  6. Grafana Assistant (AI)

    AI-powered agent that generates dashboard layouts, suggests queries, and answers natural-language questions about your data (included in Cloud Pro and Enterprise).

  7. Data source integrations

    Connects to 170+ backends including Prometheus, Elasticsearch, InfluxDB, Snowflake, AWS CloudWatch, Datadog, New Relic, PostgreSQL, and many others.

Strengths and trade-offs

Strengths

  • Unified platform—aggregates metrics, logs, traces, and profiles without vendor lock-in, built on OpenTelemetry and Prometheus standards.
  • Comprehensive open-source ecosystem—Mimir, Loki, Tempo, and Pyroscope allow teams to build full-stack observability using modular components.
  • Broad integrations and active community—170+ data sources, 35 million users globally, extensive documentation, and strong plugin ecosystem.

Trade-offs

  • Constant breaking changes—dashboards and alerts require rebuilding annually; driven by feature velocity prioritizing new capabilities over stability for existing users.
  • UI complexity—navigation has become overwhelming with nested menus, making it difficult to find basic features like Dashboards and Alerts during incidents.
  • Pricing surprises—Cloud bills often 2–5× higher than estimates; metrics cardinality and debug-level logging drive unexpected costs; requires operational discipline on labels and sampling.

Pricing context

Free tier (always $0) includes 10,000 metrics series, 50 GB logs, and 14-day retention. Pro Cloud tier starts at $19/month platform fee plus per-series ($6.50 per 1k series) and per-GB ($0.50 ingestion) charges. Enterprise starts at $25,000/year with volume discounts and custom retention.

Free tier is genuinely useful for small deployments, but real-world Cloud costs often run 2–5× higher than initial estimates due to metrics cardinality explosion (adding infrastructure can quadruple series count) and debug-level logging. Teams should audit labels and implement trace sampling (10–20%) before production deployment.

Getting started with Grafana

  1. Sign up or install Grafana

    Visit grafana.com, create an account, and choose your deployment: free tier (10k metrics series, 50 GB logs) or Pro Cloud ($19/month plus per-series charges). Alternatively, download the open-source version and self-host on your server.

  2. Connect your first data source

    Navigate to Data Sources in settings. Click Add and select from 170+ integrations including Prometheus, InfluxDB, Elasticsearch, AWS CloudWatch, Snowflake, and PostgreSQL. Enter your data source URL and API credentials, then click Save.

  3. Build your first dashboard

    Open the Dashboard menu and create a new dashboard. Add a panel and use the editor to select from 120+ visualization types. Connect your data source, define a query for your metrics or logs, and watch the preview update.

  4. View your dashboard

    Open your newly created dashboard from the Dashboards menu. Grafana automatically executes all configured queries and displays live data from your connected sources. Check the visualizations to confirm data is flowing correctly and matches your expectations.

  5. Set up your first alert

    In your dashboard, click the alert icon on a panel. Set a threshold condition, such as a metric exceeding a value. Route notifications to Slack, PagerDuty, email, or one of 40+ other integrations. Save the alert rule.

Frequently Asked Questions

What is Grafana?

Grafana is a visualization and dashboarding platform founded in 2014. It aggregates metrics, logs, traces, and profiles from 170+ data sources into unified dashboards. It's available as free open-source software, Grafana Cloud (starting $0/month), or Enterprise (starting $25,000/year) serving 35 million users worldwide.

How much does Grafana cost?

The free tier costs $0 forever and includes 10,000 metrics series and 50 GB logs. Grafana Cloud Pro starts at $19/month platform fee, plus $6.50 per 1,000 metrics series and $0.50 per GB ingestion. Enterprise starts at $25,000/year with custom pricing and volume discounts.

Why are my Grafana bills so high?

Metrics cardinality is the main culprit. Adding a second Kubernetes cluster doesn't double your series count—it quadruples it. Debug-level logging also flows into paid storage. Teams typically pay 2–5× their initial estimates. Implementing label discipline and trace sampling (10–20%) before production reduces costs significantly.

Why do my Grafana dashboards keep breaking?

Grafana prioritizes feature velocity over stability. Dashboards and alerts require rebuilding nearly every year due to breaking changes. This dynamic, described as 'career-driven development,' reflects engineers prioritizing resume-building features over stability. The 2026 release continues this pattern with breaking changes including deprecated APIs and enforcement updates.

Is Grafana difficult to use?

Yes. Navigation has expanded from 4–5 key links to 10 nested menus and submenus, making basic features like Dashboards and Alerts harder to locate during operations. This UI complexity creates friction during critical incidents when speed is essential for incident response and system recovery.

What makes Grafana different?

Grafana avoids vendor lock-in by building on open standards: OpenTelemetry and Prometheus. Its ecosystem—Mimir for metrics, Loki for logs, Tempo for tracing, Pyroscope for profiling—enables teams to build end-to-end observability using modular components rather than a monolithic platform.

Alternatives in this category

Integrations

Prometheus Loki InfluxDB Snowflake

How Grafana compares

Direct head-to-head against 3 competitors. Picked by 7wData.

This tool

Grafana

Pricing
Free tier (always $0) includes 10,000 metrics series, 50 GB logs, and 14-day retention. Pro Cloud tier starts at $19/month platform fee plus per-series ($6.50 per 1k series) and per-GB ($0.50 ingestion) charges. Enterprise starts at $25,000/year with volume discounts and custom retention. Free tier is genuinely useful for small deployments, but real-world Cloud costs often run 2–5× higher than initial estimates due to metrics cardinality explosion (adding infrastructure can quadruple series count) and debug-level logging. Teams should audit labels and implement trace sampling (10–20%) before production deployment.
Target
Grafana is the visualization and dashboarding layer of the modern observability stack.
Deployment
hybrid
Strength
Unified platform—aggregates metrics, logs, traces, and profiles without vendor lock-in, built on OpenTelemetry and Prometheus standards.
Watch for
Constant breaking changes—dashboards and alerts require rebuilding annually; driven by feature velocity prioritizing new capabilities over stability for existing users.

Datadog

Pricing
Infrastructure Pro $18/host/month (annual), APM $31/host/month additional, logs $0.10/GB indexed. No on-prem option.
Target
DevOps and SRE teams that want full-stack SaaS observability without operating any storage backends.
Deployment
SaaS only
Strength
Agent auto-discovers services on install and maps dependencies without manual configuration. No backends to operate.
Watch for
Bills grow 30-50% annually. 200-host deployments reach $220k/year. Dashboard and monitor export is deliberately proprietary.

New Relic

Pricing
Permanent free tier: 100 GB/month ingest, 1 full platform user. Pro user: $349/month annual. Overages: $0.40/GB.
Target
App developers and SREs wanting consumption-based observability with a permanent free entry point.
Deployment
SaaS only
Strength
Permanent 100 GB/month free ingest tier is the largest no-expiry free tier in the observability market.
Watch for
Taken private by Francisco Partners and TPG in 2023. Full platform user seats at $349/month each punish collaborative teams.

Dynatrace

Pricing
Full-Stack Monitoring list price $58 per 8 GiB host/month. Enterprise contracts average $183k/year. Multi-year deals required for volume discounts.
Target
Large enterprises and regulated industries needing automated anomaly detection across complex hybrid application stacks.
Deployment
SaaS and on-prem (Managed Cluster option)
Strength
Davis causal AI automatically identifies root cause of failures without manual correlation, tracing issues to the originating service.
Watch for
Proprietary OneAgent data model conflicts with OpenTelemetry standards. Switching away requires rebuilding all instrumentation from scratch.

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Sources

Reporting on this tool draws on these publicly available sources.

  1. grafana.com — Company overview, product positioning, founding year (2014), open-source heritage, ecosystem scope
  2. grafana.com — Cloud pricing tiers (Free, Pro, Enterprise), metrics pricing ($6.50 per 1k series), logs/traces pricing ($0.50 per GB), retention periods
  3. www.cloudzero.com — Real-world pricing surprises (2–5× higher bills), metrics cardinality explosion (second cluster quadruples series), debug logging costs, cost reduction strategies
  4. news.ycombinator.com — User complaints about breaking changes, UI navigation complexity, career-driven development as root cause, alternatives mentioned (VictoriaMetrics, SigNoz)
  5. www.cbinsights.com — Company founding (2014), headquarters (55 Water St, New York, NY), founders (Raj Dutt, Torkel Odegaard, Anthony Woods), funding ($805M raised, $6B valuation)
  6. grafana.com — Grafana 13 release (May 2026), breaking changes (RBAC enforcement, deprecated numeric data source APIs, gzip enabled by default), new features (Git Sync GA, Grafana Assistant)
  7. grafana.com — Open-source portfolio (Loki, Mimir, Tempo, Pyroscope, k6), ecosystem philosophy, community engagement