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<!--
---
title: "Netdata"
date: 2020-05-01
custom_edit_url: https://github.com/netdata/netdata/edit/master/README.md
---
-->
# Netdata [![Build Status](https://travis-ci.com/netdata/netdata.svg?branch=master)](https://travis-ci.com/netdata/netdata) [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/2231/badge)](https://bestpractices.coreinfrastructure.org/projects/2231) [![License: GPL v3+](https://img.shields.io/badge/License-GPL%20v3%2B-blue.svg)](https://www.gnu.org/licenses/gpl-3.0) [![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Freadme&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)
[![Code
Climate](https://codeclimate.com/github/netdata/netdata/badges/gpa.svg)](https://codeclimate.com/github/netdata/netdata)
[![Codacy
Badge](https://api.codacy.com/project/badge/Grade/a994873f30d045b9b4b83606c3eb3498)](https://www.codacy.com/app/netdata/netdata?utm_source=github.com&utm_medium=referral&utm_content=netdata/netdata&utm_campaign=Badge_Grade)
[![LGTM
C](https://img.shields.io/lgtm/grade/cpp/g/netdata/netdata.svg?logo=lgtm)](https://lgtm.com/projects/g/netdata/netdata/context:cpp)
[![LGTM
JS](https://img.shields.io/lgtm/grade/javascript/g/netdata/netdata.svg?logo=lgtm)](https://lgtm.com/projects/g/netdata/netdata/context:javascript)
[![LGTM
PYTHON](https://img.shields.io/lgtm/grade/python/g/netdata/netdata.svg?logo=lgtm)](https://lgtm.com/projects/g/netdata/netdata/context:python)
---
Netdata is **distributed, real-time performance and health monitoring** for systems and applications. It is a
highly-optimized monitoring agent you install on all your systems and containers.
Netdata provides **unparalleled insights**, in **real-time**, of everything happening on the systems it's running on
(including web servers, databases, applications), using **highly interactive web dashboards**.
A highly-efficient database **stores long-term historical metrics for days, weeks, or months**, all at 1-second
granularity. Run this long-term storage autonomously, or integrate Netdata with your existing monitoring toolchains
(Prometheus, Graphite, OpenTSDB, Kafka, Grafana, and more).
Netdata is **fast** and **efficient**, designed to permanently run on all systems (**physical** and **virtual** servers,
**containers**, **IoT** devices), without disrupting their core function.
Netdata is **free, open-source software** and it currently runs on **Linux**, **FreeBSD**, and **macOS**, along with
other systems derived from them, such as **Kubernetes** and **Docker**.
Netdata is not hosted by the CNCF but is the fourth most starred open-source project in the [Cloud Native Computing
Foundation (CNCF) landscape](https://landscape.cncf.io/format=card-mode&grouping=no&sort=stars).
---
People get **addicted to Netdata**. Once you use it on your systems, **there is no going back**! _You've been warned..._
![image](https://user-images.githubusercontent.com/2662304/48305662-9de82980-e537-11e8-9f5b-aa1a60fbb82f.png)
[![Tweet about
Netdata!](https://img.shields.io/twitter/url/http/shields.io.svg?style=social&label=Tweet%20about%20netdata)](https://twitter.com/intent/tweet?text=Netdata,%20real-time%20performance%20and%20health%20monitoring,%20done%20right!&url=https://my-netdata.io/&via=linuxnetdata&hashtags=netdata,monitoring)
## Contents
1. [What does it look like?](#what-does-it-look-like) - Take a quick tour through the dashboard
2. [Our userbase](#user-base) - Enterprises we help monitor and our userbase
3. [Quickstart](#quickstart) - How to try it now on your systems
4. [Why Netdata](#why-netdata) - Why people love Netdata and how it compares with other solutions
5. [News](#news) - The latest news about Netdata
6. [How Netdata works](#how-it-works) - A high-level diagram of how Netdata works
7. [Infographic](#infographic) - Everything about Netdata in a single graphic
8. [Features](#features) - How you'll use Netdata on your systems
9. [Visualization](#visualization) - Learn about visual anomaly detection
10. [What Netdata monitors](#what-netdata-monitors) - See which apps/services Netdata auto-detects
11. [Documentation](#documentation) - Read the documentation
12. [Community](#community) - Discuss Netdata with others and get support
13. [License](#license) - Check Netdata's licencing
14. [Is it any good?](#is-it-any-good) - Yes.
15. [Is it awesome?](#is-it-awesome) - Yes.
## What does it look like?
The following animated GIF shows the top part of a typical Netdata dashboard.
![The Netdata dashboard in
action](https://user-images.githubusercontent.com/1153921/80827388-b9fee100-8b98-11ea-8f60-0d7824667cd3.gif)
> A typical Netdata dashboard, in 1:1 timing. Charts can be panned by dragging them, zoomed in/out with `SHIFT` + `mouse
> wheel`, an area can be selected for zoom-in with `SHIFT` + `mouse selection`. Netdata is highly interactive,
> **real-time**, and optimized to get the work done!
Want to try Netdata before you install? See our [live
demo](https://london.my-netdata.io/default.html#menu_system_submenu_cpu;theme=slate;help=true).
## User base
Netdata is used by hundreds of thousands of users all over the world. Check our [GitHub watchers
list](https://github.com/netdata/netdata/watchers). You will find people working for **Amazon**, **Atos**, **Baidu**,
**Cisco Systems**, **Citrix**, **Deutsche Telekom**, **DigitalOcean**, **Elastic**, **EPAM Systems**, **Ericsson**,
**Google**, **Groupon**, **Hortonworks**, **HP**, **Huawei**, **IBM**, **Microsoft**, **NewRelic**, **Nvidia**, **Red
Hat**, **SAP**, **Selectel**, **TicketMaster**, **Vimeo**, and many more!
### Docker pulls
We provide Docker images for the most common architectures. These are statistics reported by Docker Hub:
[![netdata/netdata
(official)](https://img.shields.io/docker/pulls/netdata/netdata.svg?label=netdata/netdata+%28official%29)](https://hub.docker.com/r/netdata/netdata/)
[![firehol/netdata
(deprecated)](https://img.shields.io/docker/pulls/firehol/netdata.svg?label=firehol/netdata+%28deprecated%29)](https://hub.docker.com/r/firehol/netdata/)
[![titpetric/netdata
(donated)](https://img.shields.io/docker/pulls/titpetric/netdata.svg?label=titpetric/netdata+%28third+party%29)](https://hub.docker.com/r/titpetric/netdata/)
### Registry
When you install multiple Netdata, they are integrated into **one distributed application**, via a [Netdata
registry](/registry/README.md). This is a web browser feature and it allows us to count the number of unique users and
unique Netdata servers installed. The following information comes from the global public Netdata registry we run:
[![User
Base](https://registry.my-netdata.io/api/v1/badge.svg?chart=netdata.registry_entries&dimensions=persons&label=user%20base&units=M&value_color=blue&precision=2÷=1000000&v43)](https://registry.my-netdata.io/#menu_netdata_submenu_registry)
[![Monitored
Servers](https://registry.my-netdata.io/api/v1/badge.svg?chart=netdata.registry_entries&dimensions=machines&label=servers%20monitored&units=k÷=1000&value_color=orange&precision=2&v43)](https://registry.my-netdata.io/#menu_netdata_submenu_registry)
[![Sessions
Served](https://registry.my-netdata.io/api/v1/badge.svg?chart=netdata.registry_sessions&label=sessions%20served&units=M&value_color=yellowgreen&precision=2÷=1000000&v43)](https://registry.my-netdata.io/#menu_netdata_submenu_registry)
_In the last 24 hours:_<br/> [![New Users
Today](https://registry.my-netdata.io/api/v1/badge.svg?chart=netdata.registry_entries&dimensions=persons&after=-86400&options=unaligned&group=incremental-sum&label=new%20users%20today&units=null&value_color=blue&precision=0&v42)](https://registry.my-netdata.io/#menu_netdata_submenu_registry)
[![New Machines
Today](https://registry.my-netdata.io/api/v1/badge.svg?chart=netdata.registry_entries&dimensions=machines&group=incremental-sum&after=-86400&options=unaligned&label=servers%20added%20today&units=null&value_color=orange&precision=0&v42)](https://registry.my-netdata.io/#menu_netdata_submenu_registry)
[![Sessions
Today](https://registry.my-netdata.io/api/v1/badge.svg?chart=netdata.registry_sessions&after=-86400&group=incremental-sum&options=unaligned&label=sessions%20served%20today&units=null&value_color=yellowgreen&precision=0&v42)](https://registry.my-netdata.io/#menu_netdata_submenu_registry)
## Quickstart
![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.requests_per_url&options=unaligned&dimensions=kickstart&group=sum&after=-3600&label=last+hour&units=installations&value_color=orange&precision=0)
![](https://registry.my-netdata.io/api/v1/badge.svg?chart=web_log_nginx.requests_per_url&options=unaligned&dimensions=kickstart&group=sum&after=-86400&label=today&units=installations&precision=0)
To install Netdata from source on any Linux system (physical, virtual, container, IoT, edge), including all dependencies
required to connect to Netdata Cloud, and get _automatic nightly updates_, run the following as your normal user:
```bash
# make sure you run `bash` for your shell
bash
# install Netdata directly from GitHub source
bash <(curl -Ss https://my-netdata.io/kickstart.sh)
```
Starting with v1.12, Netdata collects anonymous usage information by default and sends it to Google Analytics. Read
about the information collected, and learn how to-opt, on our [anonymous statistics](/docs/anonymous-statistics.md) page.
The usage statistics are _vital_ for us, as we use them to discover bugs and prioritize new features. We thank you for
_actively_ contributing to Netdata's future.
To learn more about the pros and cons of using _nightly_ vs. _stable_ releases, see our [notice about the two options](/packaging/installer/README.md#nightly-vs-stable-releases).
The above command will:
- Install any required packages on your system (it will ask you to confirm before doing so)
- Compile it, install it, and start it.
More installation methods and additional options can be found at the [installation
page](/packaging/installer/README.md).
To try Netdata in a Docker container, run this:
```sh
docker run -d --name=netdata \
-p 19999:19999 \
-v netdataconfig:/etc/netdata \
-v netdatalib:/var/lib/netdata \
-v netdatacache:/var/cache/netdata \
-v /etc/passwd:/host/etc/passwd:ro \
-v /etc/group:/host/etc/group:ro \
-v /proc:/host/proc:ro \
-v /sys:/host/sys:ro \
-v /etc/os-release:/host/etc/os-release:ro \
--restart unless-stopped \
--cap-add SYS_PTRACE \
--security-opt apparmor=unconfined \
netdata/netdata
```
For more information about running Netdata in Docker, check the [docker installation page](/packaging/docker/README.md).
![image](https://user-images.githubusercontent.com/2662304/48304090-fd384080-e51b-11e8-80ae-eecb03118dda.png)
From Netdata v1.12 and above, anonymous usage information is collected by default and sent to Google Analytics. To read
more about the information collected and how to opt-out, check the [anonymous statistics
page](/docs/anonymous-statistics.md).
## Why Netdata
Netdata has a quite different approach to monitoring.
Netdata is a monitoring agent you install on all your systems. It is:
- A **metrics collector** for system and application metrics (including web servers, databases, containers, and much
more),
- A **long-term metrics database** that stores recent metrics in memory and "spills" historical metrics to disk for
efficient long-term storage,
- A super fast, interactive, and modern **metrics visualizer** optimized for anomaly detection,
- And an **alarms notification engine** for detecting performance and availability issues.
All the above, are packaged together in a very flexible, extremely modular, distributed application.
This is how Netdata compares to other monitoring solutions:
| Netdata | others (open-source and commercial) |
| :-------------------------------------------------------------- | :--------------------------------------------------------------- |
| **High resolution metrics** (1s granularity) | Low resolution metrics (10s granularity at best) |
| Monitors everything, **thousands of metrics per node** | Monitor just a few metrics |
| UI is super fast, optimized for **anomaly detection** | UI is good for just an abstract view |
| **Long-term, autonomous storage** at one-second granularity | Centralized metrics in an expensive data lake at 10s granularity |
| **Meaningful presentation**, to help you understand the metrics | You have to know the metrics before you start |
| Install and get results **immediately** | Long preparation is required to get any useful results |
| Use it for **troubleshooting** performance problems | Use them to get _statistics of past performance_ |
| **Kills the console** for tracing performance issues | The console is always required for troubleshooting |
| Requires **zero dedicated resources** | Require large dedicated resources |
Netdata is **open-source**, **free**, super **fast**, very **easy**, completely **open**, extremely **efficient**,
**flexible** and integrate-able.
It has been designed by **system administrators**, **DevOps engineers**, and **developers** for to not just visualize
metrics, but also troubleshoot complex performance problems.
## News
`August 10, 2020`- **[Netdata v1.24.0 released!](https://github.com/netdata/netdata/releases/tag/v1.24.0)**
The v1.24.0 release of the Netdata Agent brings enhancements to the breadth of metrics we collect with a new Prometheus/OpenMetrics collector and enhanced storage and querying with a new multi-host database mode.
`July 16, 2020` - **[Netdata v1.23.2 released!](https://github.com/netdata/netdata/releases/tag/v1.23.2)**
Release v1.23.2 of the Netdata Agent is a patch for one significant issue.
PR [#9491](https://github.com/netdata/netdata/pull/9491) fixed a buffer overrun vulnerability in Netdata's JSON parsing
code. This vulnerability could be used to crash Agents remotely, and in some circumstances, could be used in an
arbitrary code execution (ACE) exploit.
We strongly encourage all Netdata users to update their nodes to v1.23.2 as soon as possible.
This release also contains additional bug fixes and improvements.
`July 1, 2020` - **[Netdata v1.23.1 released!](https://github.com/netdata/netdata/releases/tag/v1.23.1)**
Release v1.23.1 of the Netdata Agent is a patch for two significant issues.
PR [#9436](https://github.com/netdata/netdata/pull/9436) fixed an issue where dimensions were marked obsolete and
archived simultaneously, which caused segmentation faults. We're grateful to [marioem](https://github.com/marioem), who
first reported the issue, and other members of the Netdata community who contributed their insights and valuable log
information, which we used to diagnose and fix the bug.
PR [#9428](https://github.com/netdata/netdata/pull/9428) fixed a significant issue with duplicate alarm IDs, which
caused issues in how alarms were sent and displayed in Netdata Cloud.
This release also contains a few additional bug fixes that were not fully reviewed before the release of v1.23.0.
`June 24, 2020` - **[Netdata v1.23.0 released!](https://github.com/netdata/netdata/releases/tag/v1.23.0)**
The v1.23.0 release of the Netdata Agent is all about unlocking new depths of visibility for your applications,
services, and systems. We have Kubernetes service discovery, new eBPF metrics like virtual filesystem switch and
bandwidth per process out of the Linux kernel at _event frequency_, more interoperability with your monitoring stack
thanks to a new exporting engine, and much more.
This release contains 2 new collectors, 1 new exporting connector, 1 new alarm notification method, 55 improvements, 45
documentation updates, and 40 bug fixes.
Our [service discovery collector](https://github.com/netdata/agent-service-discovery/) **detects Kubernetes (k8s) pods
and immediately collects metrics from _22 different services_** as the associated pods are created, destroyed, and
scaled. Service discovery is installed when you use our [Helm chart](https://github.com/netdata/helmchart), which means
you can now collect and visualize service-, pod-, Kubelet-, kube-proxy-, and node-level k8s metrics with one `helm
install` command and zero configuration. All our Kubernetes monitoring components are open source and free for clusters
of any size.
Our low-level [Linux kernel monitoring via eBPF](https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin/) is now
supercharged. Thanks to an integration with
[`apps.plugin`](https://learn.netdata.cloud/docs/agent/collectors/apps.plugin), you can now **monitor how a specific
application interacts with the Linux kernel**. This update also includes new metrics, such as virtual filesystem switch,
bandwidth per process, and much more. Netdata collects these metrics at an event frequency, even better than our famous
1s granularity, so that you can debug applications or anomalies with pinpoint accuracy. The eBPF collector is also now
installed and enabled by default except on [static
builds](https://learn.netdata.cloud/docs/agent/packaging/installer/methods/kickstart-64).
Read our [guide on troubleshooting apps with eBPF
metrics](https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf/) for more details.
Netdata is now more interoperable with your existing monitoring stack thanks to the [**exporting
engine**](https://learn.netdata.cloud/docs/agent/exporting/), which replaces the backends system. You can now export to
multiple external databases through Graphite, Google Cloud Pub/Sub, Prometheus remote write, MongoDB, and JSON
connectors, plus others. Send metrics as soon as they're collected to enrich single pane of glass views or analyze
Netdata's metrics with machine learning.
Read our guide on [exporting metrics to
Graphite](https://learn.netdata.cloud/guides/export/export-netdata-metrics-graphite) for specifics on just one of many
pipelines you can set up to archive your Netdata metrics.
We're also releasing an improvement for the availability of your monitoring and metrics: **persistent metadata**. The
Agent now writes metadata to disk alongside metrics to allow access to non-active charts from Netdata Cloud and enable
future features.
We added some enhancements to our documentation site, including a new [guides
section](https://learn.netdata.cloud/guides). We'll continue to populate with more use case- and scenario-based content
to help you monitor, troubleshoot, visualize, and export your Netdata metrics.
---
See more news and previous releases at our [blog](https://www.netdata.cloud/blog/) or our [releases
page](https://github.com/netdata/netdata/releases).
## How it works
Netdata is a highly efficient, highly modular, metrics management engine. Its lockless design makes it ideal for
concurrent operations on the metrics.
![image](https://user-images.githubusercontent.com/2662304/48323827-b4c17580-e636-11e8-842c-0ee72fcb4115.png)
This is how it works:
| Function | Description | Documentation |
| :---------- | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :-------------------------------------------------- |
| **Collect** | Multiple independent data collection workers are collecting metrics from their sources using the optimal protocol for each application and push the metrics to the database. Each data collection worker has lockless write access to the metrics it collects. | [`collectors`](/collectors/README.md) |
| **Store** | Metrics are first stored in RAM in a custom database engine that then "spills" historical metrics to disk for efficient long-term metrics storage. | [`database`](/database/README.md) |
| **Check** | A lockless independent watchdog is evaluating **health checks** on the collected metrics, triggers alarms, maintains a health transaction log and dispatches alarm notifications. | [`health`](/health/README.md) |
| **Stream** | A lockless independent worker is streaming metrics, in full detail and in real-time, to remote Netdata servers, as soon as they are collected. | [`streaming`](/streaming/README.md) |
| **Archive** | A lockless independent worker is down-sampling the metrics and pushes them to **backend** time-series databases. | [`exporting`](/docs/export/README.md) |
| **Query** | Multiple independent workers are attached to the [internal web server](/web/server/README.md), servicing API requests, including [data queries](/web/api/queries/README.md). | [`web/api`](/web/api/README.md) |
The result is a highly efficient, low-latency system, supporting multiple readers and one writer on each metric.
## Infographic
This is a high level overview of Netdata feature set and architecture. Click it to to interact with it (it has direct
links to our documentation).
[![image](https://user-images.githubusercontent.com/43294513/60951037-8ba5d180-a2f8-11e9-906e-e27356f168bc.png)](https://my-netdata.io/infographic.html)
## Features
![finger-video](https://user-images.githubusercontent.com/2662304/48346998-96cf3180-e685-11e8-9f4e-059d23aa3aa5.gif)
This is what you should expect from Netdata:
### General
- **1s granularity** - The highest possible resolution for all metrics.
- **Unlimited metrics** - Netdata collects all the available metrics—the more, the better.
- **1% CPU utilization of a single core** - It's unbelievably optimized.
- **A few MB of RAM** - The highly-efficient database engine stores per-second metrics in RAM and then "spills"
historical metrics to disk long-term storage.
- **Minimal disk I/O** - While running, Netdata only writes historical metrics and reads `error` and `access` logs.
- **Zero configuration** - Netdata auto-detects everything, and can collect up to 10,000 metrics per server out of the
box.
- **Zero maintenance** - You just run it. Netdata does the rest.
- **Zero dependencies** - Netdata runs a custom web server for its static web files and its web API (though its
plugins may require additional libraries, depending on the applications monitored).
- **Scales to infinity** - You can install it on all your servers, containers, VMs, and IoT devices. Metrics are not
centralized by default, so there is no limit.
- **Several operating modes** - Autonomous host monitoring (the default), headless data collector, forwarding proxy,
store and forward proxy, central multi-host monitoring, in all possible configurations. Each node may have different
metrics retention policies and run with or without health monitoring.
### Health Monitoring & Alarms
- **Sophisticated alerting** - Netdata comes with hundreds of alarms **out of the box**! It supports dynamic
thresholds, hysteresis, alarm templates, multiple role-based notification methods, and more.
- **Notifications**: [alerta.io](/health/notifications/alerta/), [amazon sns](/health/notifications/awssns/),
[discordapp.com](/health/notifications/discord/), [email](/health/notifications/email/),
[flock.com](/health/notifications/flock/), [hangouts](/health/notifications/hangouts/),
[irc](/health/notifications/irc/), [kavenegar.com](/health/notifications/kavenegar/),
[messagebird.com](/health/notifications/messagebird/), [pagerduty.com](/health/notifications/pagerduty/),
[prowl](/health/notifications/prowl/), [pushbullet.com](/health/notifications/pushbullet/),
[pushover.net](/health/notifications/pushover/), [rocket.chat](/health/notifications/rocketchat/),
[slack.com](/health/notifications/slack/), [smstools3](/health/notifications/smstools3/),
[syslog](/health/notifications/syslog/), [telegram.org](/health/notifications/telegram/),
[twilio.com](/health/notifications/twilio/), [web](/health/notifications/web/) and [custom
notifications](/health/notifications/custom/).
### Integrations
- **Time-series databases** - Netdata can archive its metrics to **Graphite**, **OpenTSDB**, **Prometheus**, **AWS
Kinesis**, **MongoDB**, **JS
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