Managing URL and Other High-Volume Dimensions
By default, Discover tracks the URLs of your web application that are reached by your visitors. Depending on how your application is structured, the number of possible URLs generated by visitor behaviors can range from 1 to millions.
Discover can capture each recorded instance of an URL and store it into the Reporting database as a separate record. If your web application generates millions of URLs, the volume of data can become prohibitively large and, if unbounded, can consume all available storage.
This section provides guidance on how to manage the URL
(Normalized)
dimension provided by Discover, using the dimension logs to populate
values for a whitelist of accepted dimension values.