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+# ADR048:Store form started and submitted counts in database
+
+Date: 2026-01-12
+
+## Status
+
+Accepted
+
+## Context
+
+We provide form metrics to administrative users of the platform, available in the forms-admin application. This details
+how many forms have been started and how many have been submitted per form. We allow users to download this data as a CSV
+file.
+
+Currently, we store these metrics in CloudWatch - which has a retention period of 455 days (15 months) at an hourly 
+granularity.
+
+The main disadvantages of this approach are:
+- We are only able to provide metrics for the last 15 months. This means users need to remember to download and store the data if they need it over a longer period.
+- Code changes to how we display metrics are difficult to test as we cannot easily set up test data in CloudWatch.
+- Internally, we use a mix of manual processes and the Splunk logs which we know historically have not received all log events for our performance analytics.
+
+## Decision
+
+Store the form started and submitted counts in the PostgreSQL database used by forms-admin. We will add a new table 
+to store daily counts of form starts and submissions per form.
+
+Forms-runner will make API calls to forms-admin to increment the counts when a user starts or submits a form. Forms-runner
+is already able to make API calls to forms-admin for retrieving form data, so no infrastructure changes are required to support this.
+
+We will use the `ON CONFLICT DO UPDATE` feature of PostgreSQL to increment the counts atomically.
+
+## Consequences
+
+- We are able to store metrics indefinitely for Forms, allowing us to provide longer term metrics to users
+- We will only store metrics with a daily granularity.
+- We can more easily set up test data for testing changes manually and in automated tests
+- We can more easily create reports for internal performance analysis
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