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This version of the OpenSearch documentation is no longer maintained. For the latest version, see the current documentation. For information about OpenSearch version maintenance, see Release Schedule and Maintenance Policy.

Event analytics

Event analytics in observability is where you can use Piped Processing Language (PPL) queries to build and view different visualizations of your data.

Get started with event analytics

To get started, choose Observability in OpenSearch Dashboards, and then choose Event analytics. If you want to start exploring without adding any of your own data, choose Add sample Events Data, and Dashboards adds some sample visualizations you can interact with.

Build a query

To generate custom visualizations, you must first specify a PPL query. OpenSearch Dashboards then automatically creates a visualization based on the results of your query.

For example, the following PPL query returns a count of how many host addresses are currently in your data.

source = opensearch_dashboards_sample_data_logs | fields host | stats count()

By default, Dashboards shows results from the last 15 minutes of your data. To see data from a different timeframe, use the date and time selector.

For more information about building PPL queries, see Piped Processing Language.

Save a visualization

After Dashboards generates a visualization, you must save it if you want to return to it at a later time or if you want to add it to an operational panel.

To save a visualization, expand the save dropdown menu next to Run, enter a name for your visualization, then choose Save. You can reopen any saved visualizations on the event analytics page.