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+<!--
+title: "See an overview of your infrastructure"
+description: "With Netdata Cloud's War Rooms, you can see real-time metrics, from any number of nodes in your infrastructure, in composite charts."
+custom_edit_url: https://github.com/netdata/netdata/edit/master/docs/visualize/overview-infrastructure.md
+-->
+
+# See an overview of your infrastructure
+
+In Netdata Cloud, your nodes are organized into War Rooms. One of the two available views for a War Room is the
+**Overview**, which uses composite charts to display real-time, aggregated metrics from all the nodes (or a filtered
+selection) in a given War Room.
+
+With Overview's composite charts, you can see your infrastructure from a single pane of glass, discover trends or
+anomalies, then drill down with filtering or single-node dashboards to see more. In the screenshot below,
+each chart visualizes average or sum metrics values from across 5 distributed nodes.
+
+![The War Room
+Overview](https://user-images.githubusercontent.com/1153921/102651377-b1f4b100-4129-11eb-8e60-d2995d258c16.png)
+
+## Using the Overview
+
+> ⚠️ In order for nodes to contribute to composite charts, and thus the Overview UI, they must run v1.26.0 or later of
+> the Netdata Agent. See our [update docs](/packaging/installer/UPDATE.md) for the preferred update method based on how
+> you installed the Agent.
+
+The Overview uses roughly the same interface as local Agent dashboards or single-node dashboards in Netdata Cloud. By
+showing all available metrics from all your nodes in a single interface, Netdata Cloud helps you visualize the overall
+health of your infrastructure. Best of all, you don't have to worry about creating your own dashboards just to get
+started with infrastructure monitoring.
+
+Let's walk through some examples of using the Overview to monitor and troubleshoot your infrastructure.
+
+### Filter nodes and pick relevant times
+
+While not exclusive to Overview, you can use two important features, [node
+filtering](https://learn.netdata.cloud/docs/cloud/war-rooms#node-filter) and the [time &amp; date
+picker](https://learn.netdata.cloud/docs/cloud/war-rooms#time--date-picker), to widen or narrow your infrastructure
+monitoring focus.
+
+By default, the Overview shows composite charts aggregated from every node in the War Room, but you can change that
+behavior on an ad-hoc basis. The node filter allows you to create complex queries against your infrastructure based on
+the name, OS, or services running on nodes. For example, use `(name contains aws AND os contains ubuntu) OR services ==
+apache` to show only nodes that have `aws` in the hostname and are Ubuntu-based, or any nodes that have an Apache
+webserver running on them.
+
+The time &amp; date picker helps you visualize both small and large timeframes depending on your goals, whether that's
+establishing a baseline of infrastructure performance or targeted root cause analysis of a specific anomaly.
+
+For example, use the **Quick Selector** options to pick the 12-hour option first thing in the morning to check your
+infrastructure for any odd behavior overnight. Use the 7-day option to observe trends between various days of the week.
+
+See the [War Rooms](https://learn.netdata.cloud/docs/cloud/war-rooms) docs for more details on both features.
+
+### Configure composite charts to identify problems
+
+Let's say you notice a sharp decrease in available RAM for applications, as seen in the example screenshot below. In
+this situation, you can see when the anomalous behavior began and that it affects the average available and committed
+RAM across your infrastructure. However, when _grouped by dimension_, composite charts cannot show whether an anomaly
+affects a single node, a subset of nodes, or an entire infrastructure.
+
+![Composite charts showing available and committed RAM across an
+infrastructure](https://user-images.githubusercontent.com/1153921/99314892-0bae4680-281f-11eb-823e-071a1da25dc7.png)
+
+Use [_group by node_](https://learn.netdata.cloud/docs/cloud/visualize/overview#group-by-dimension-or-node) to visualize
+a single metric across all contributing nodes. If the composite chart has 5 contributing nodes, there will be 5
+lines/areas, one for the most relevant dimension from each node.
+
+![Finding a problematic node with group by
+node](https://user-images.githubusercontent.com/1153921/99315558-0e5d6b80-2820-11eb-91e9-9c46bc4c7298.gif)
+
+After grouping by node, it's clear that the `Composite-Charts-01` node is experiencing anomalous behavior and should be
+investigated further by jumping to its [single-node dashboard](#drill-down-with-single-node-dashboards) in Netdata
+Cloud.
+
+### Drill down with single-node dashboards
+
+Click on **X Charts** of any composite chart's definition bar to display a dropdown of contributing contexts and nodes
+contributing. Click on the link icon <img class="img__inline img__inline--link"
+src="https://user-images.githubusercontent.com/1153921/95762109-1d219300-0c62-11eb-8daa-9ba509a8e71c.png" /> next to a
+given node to quickly _jump to the same chart in that node's single-node dashboard_ in Netdata Cloud.
+
+![Jumping to a single-node dashboard in Netdata
+Cloud](https://user-images.githubusercontent.com/1153921/99317327-1e2a7f00-2823-11eb-8fc3-76f260ced86a.gif)
+
+You can use single-node dashboards in Netdata Cloud to drill down on specific issues, scrub backward in time to
+investigate historical data, and see like metrics presented meaningfully to help you troubleshoot performance problems.
+All of the familiar [interactions](/docs/visualize/interact-dashboards-charts.md) are available, as is adding any chart
+to a [new dashboard](/docs/visualize/create-dashboards.md).
+
+## Nodes view
+
+You can also use the **Nodes view** to monitor the health status and user-configurable key metrics from multiple nodes
+in a War Room. Read the [Nodes view doc](https://learn.netdata.cloud/docs/cloud/visualize/nodes) for details.
+
+![The Nodes view](https://user-images.githubusercontent.com/1153921/95909704-cb593580-0d53-11eb-88fa-a3416ab09849.png)
+
+## What's next?
+
+To troubleshoot complex performance issues using Netdata, you need to understand how to interact with its meaningful
+visualizations. Learn more about [interaction](/docs/visualize/interact-dashboards-charts.md) to see historical metrics,
+highlight timeframes for targeted analysis, and more.
+
+### Related reference documentation
+
+- [Netdata Cloud · War Rooms](https://learn.netdata.cloud/docs/cloud/war-rooms)
+- [Netdata Cloud · Overview](https://learn.netdata.cloud/docs/cloud/visualize/overview)
+- [Netdata Cloud · Nodes view](https://learn.netdata.cloud/docs/cloud/visualize/nodes)
+
+[![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%2Fdocs%2Fvisualize%2Foverview-infrastructure&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)