Adding upstream version 1.37.1.upstream/1.37.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+<!--
+title: "What is Netdata?"
+description: "Netdata is distributed, real-time performance and health monitoring for systems and applications on a single node or an entire infrastructure."
+custom_edit_url: https://github.com/netdata/netdata/edit/master/docs/overview/what-is-netdata.md
+-->
+
+# What is Netdata?
+
+Netdata helps sysadmins, SREs, DevOps engineers, and IT professionals collect all possible metrics from systems and
+applications, visualize these metrics in real-time, and troubleshoot complex performance problems.
+
+Netdata's solution uses two components, the Netdata Agent and Netdata Cloud, to deliver real-time performance and health
+monitoring for both single nodes and entire infrastructure.
+
+## Netdata Agent
+
+Netdata's distributed monitoring Agent collects thousands of metrics from systems, hardware, and applications with zero
+configuration. It runs permanently on all your physical/virtual servers, containers, cloud deployments, and edge/IoT
+devices.
+
+You can [install](/docs/get-started.mdx) Netdata on most Linux distributions (Ubuntu, Debian, CentOS, and more),
+container/microservice platforms (Kubernetes clusters, Docker), and many other operating systems (FreeBSD, macOS), with
+no `sudo` required.
+
+![The Netdata
+Agent](https://user-images.githubusercontent.com/1153921/94492596-72a86b00-019f-11eb-91ab-224e6ac9ea21.png)
+
+## Netdata Cloud
+
+Netdata Cloud is a web application that gives you real-time visibility for your entire infrastructure. With Netdata
+Cloud, you can view key metrics, insightful charts, and active alarms from all your nodes in a single web interface.
+When an anomaly strikes, seamlessly navigate to any node to troubleshoot and discover the root cause with the familiar
+Netdata dashboard.
+
+**[Netdata Cloud is free](https://www.netdata.cloud/blog/why-netdata-is-free/)**! You can add an entire infrastructure
+of nodes, invite all your colleagues, and visualize any number of metrics, charts, and alarms entirely for free.
+
+While Netdata Cloud offers a centralized method of monitoring your Agents, your metrics data is not stored or
+centralized in any way. Metrics data remains with your nodes and is only streamed to your browser, through Cloud, when
+you're viewing the Netdata Cloud interface.
+
+![Netdata Cloud](https://user-images.githubusercontent.com/1153921/94492597-73410180-019f-11eb-9a9e-032420baa489.png)
+
+## What you can do with Netdata
+
+Netdata is designed to be both simple to use and flexible for every monitoring, visualization, and troubleshooting use
+case:
+
+-   **Collect**: Netdata collects all available metrics from your system and applications with 300+ collectors,
+    Kubernetes service discovery, and in-depth container monitoring, all while using only 1% CPU and a few MB of RAM. It
+    even collects metrics from Windows machines.
+-   **Visualize**: The dashboard meaningfully presents charts to help you understand the relationships between your
+    hardware, operating system, running apps/services, and the rest of your infrastructure. Add nodes to Netdata Cloud
+    for a complete view of your infrastructure from a single pane of glass.
+-   **Monitor**: Netdata's health watchdog uses hundreds of preconfigured alarms to notify you via Slack, email,
+    PagerDuty and more when an anomaly strikes. Customize with dynamic thresholds, hysteresis, alarm templates, and
+    role-based notifications.
+-   **Troubleshoot**: 1s granularity helps you detect and analyze anomalies other monitoring platforms might have
+    missed. Interactive visualizations reduce your reliance on the console, and historical metrics help you trace issues
+    back to their root cause.
+-   **Store**: Netdata's efficient database engine efficiently stores per-second metrics for days, weeks, or even
+    months. Every distributed node stores metrics locally, simplifying deployment, slashing costs, and enriching
+    Netdata's interactive dashboards.
+-   **Export**: Integrate per-second metrics with other time-series databases like Graphite, Prometheus, InfluxDB,
+    TimescaleDB, and more with Netdata's interoperable and extensible core.
+-   **Stream**: Aggregate metrics from any number of distributed nodes in one place for in-depth analysis, including
+    ephemeral nodes in a Kubernetes cluster.
+
+## What's next?
+
+Learn more about [why you should use Netdata](/docs/overview/why-netdata.md), or [how Netdata works with your existing
+monitoring stack](/docs/overview/netdata-monitoring-stack.md).
+
+