You need to set up metrics monitoring for every service in aws which service would you use

Open the CloudWatch console at https://console.aws.amazon.com/cloudwatch/.

The CloudWatch overview home page appears.

The overview displays the following items, refreshed automatically.

• The upper left shows a list of AWS services you use in your account, along with the state of alarms in those services. The upper right shows two or four alarms in your account, depending on how many AWS services you use. The alarms shown are those in the ALARM state or those that most recently changed state.

  These upper areas enable you to assess the health of your AWS services, by seeing the alarm states in every service and the alarms that most recently changed state. This helps you monitor and quickly diagnose issues.

• Below these areas is the default dashboard, if one exists. The default dashboard is a custom dashboard that you have created and named CloudWatch-Default. This is a convenient way for you to add metrics about your own custom services or applications to the overview page, or to bring forward additional key metrics from AWS services that you most want to monitor.

• If you use six or more AWS services, below the default dashboard is a link to the automatic cross-service dashboard. The cross-service dashboard automatically displays key metrics from every AWS service you use, without requiring you to choose what metrics to monitor or create custom dashboards. You can also use it to drill down to any AWS service and see even more key metrics for that service.

  If you use fewer than six AWS services, the cross-service dashboard is shown automatically on this page.

From this overview, you can focus your view to a specific resource group or a specific AWS service. This enables you to narrow your view to a subset of resources in which you are interested. Using resource groups enables you to use tags to organize projects, focus on a subset of your architecture, or just distinguish between your production and development environments. For more information, see What Is AWS Resource Groups?.

Topics

• See key metrics from all AWS services
• Focus on metrics and alarms in a single AWS service
• Focus on metrics and alarms in a resource group

You can switch to the Cross-service dashboard screen and interact with dashboards for all of the AWS services that you're using. The CloudWatch Console displays your dashboards in alphabetical order and shows one or two key metrics on each dashboard.

If you're using five or more AWS services, the CloudWatch Console won't display the Cross-service dashboard on the Overview screen.

To open the Cross-service dashboard

1. Open the CloudWatch console at https://console.aws.amazon.com/cloudwatch/.

   You're directed to the Overview screen.

2. From the Overview screen, select the dropdown that reads Overview, and then choose Cross service dashboard.

   You're directed to the Cross service dashboard screen.

3. (Optional) If you're using the original interface, scroll to the section Cross-service dashboard, and then choose View Cross-service dashboard.

   You're directed to the Cross-service dashboard screen.

4. You can focus on a particular service in two ways:

   1. To see more key metrics for a service, choose its name from the list at the top of the screen, where Cross service dashboard is currently shown. Or, you can choose View Service dashboard next to the service name.

      An automatic dashboard for that service is displayed, showing more metrics for that service. Additionally, for some services, the bottom of the service dashboard displays resources related to that service. You can choose one of those resources to that service console and focus further on that resource.

   2. To see all the alarms related to a service, choose the button on the right of the screen next to that service name. The text on this button indicates how many alarms you have created in this service, and whether any are in the ALARM state.

      When the alarms are displayed, multiple alarms that have similar settings (such as dimensions, threshold, or period) may be shown in a single graph.

      You can then view details about an alarm and see the alarm history. To do so, hover on the alarm graph, and choose the actions icon, View in alarms.

      The alarms view appears in a new browser tab, displaying a list of your alarms, along with details about the chosen alarm. To see the history for this alarm, choose the History tab.

5. You can focus on resources in a particular resource group. To do so, choose the resource group from the list at the top of the page where All resources is displayed.

   For more information, see Focus on metrics and alarms in a resource group.

6. To change the time range shown in all graphs and alarms currently displayed, select the range you want next to Time range at the top of the screen. Choose custom to select from more time range options than those displayed by default.

7. Alarms are always refreshed once a minute. To refresh the view, choose the refresh icon (two curved arrows) at the top right of the screen. To change the automatic refresh rate for items on the screen other than alarms, choose the down arrow next to the refresh icon and choose the refresh rate you want. You can also choose to turn off automatic refresh.

Remove a service from appearing in the cross-service dashboard

You can prevent a service's metrics from appearing in the cross-service dashboard. This helps you focus your cross-service dashboard on the services you most want to monitor.

If you remove a service from the cross-service dashboard, the alarms for that service still appear in the views of your alarms.

To remove a service's metrics from the cross-service dashboard

1. Open the CloudWatch console at https://console.aws.amazon.com/cloudwatch/.

   The home page appears.

2. At the top of the page, under Overview, choose the service you want to remove.

   The view changes to show metrics from only that service.

3. Choose Actions, then clear the check box next to Show on cross service dashboard.

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