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Datadog

Datadog is a paid, all-in-one cloud monitoring platform built by Datadog Inc., ranking #33 in usage among developer tools at roughly 8.9%. It combines logs, metrics, and distributed traces into a single dashboard, letting teams watch an entire production system's health without stitching together separate tools. It's popular with companies that would rather pay for a managed SaaS than self-host a stack like Prometheus and Grafana.

Quick facts
Type: Cloud monitoring / observability platform
Made by: Datadog, Inc.
License: Proprietary, paid (usage-based pricing with a free trial tier)
Platforms/Hosting: Fully managed SaaS
Primary use case: Unified logs, metrics, and APM tracing for monitoring production infrastructure and applications
Jump to: ExampleGetting startedBest for

Example

The Datadog Agent ships with a YAML config per integration — here's a real check config for monitoring an Nginx server.

# /etc/datadog-agent/conf.d/nginx.d/conf.yaml
init_config:

instances:
  - nginx_status_url: http://localhost/nginx_status/
    tags:
      - env:production

# submit a custom metric via the dogshell CLI
dog metric post "app.orders.count" 42

Getting started

Sign up for a Datadog account, then install the Agent on the host or container you want to monitor.

# install the Datadog Agent (Linux, one-line installer)
DD_API_KEY=your_api_key DD_SITE="datadoghq.com" bash -c \
  "$(curl -L https://install.datadoghq.com/scripts/install_script_agent7.sh)"
Best for: Growing engineering teams that need production-grade logs, metrics, and tracing right away and would rather pay a subscription than dedicate staff time to running and maintaining a self-hosted monitoring stack.