The Bugzilla Mirror is an application designed to simplify and improve the experience of using Bugzilla. The application mirrors all of the bugs of a specific project. Although it doesn't mirror all of the data provided by Bugzilla, such as attachments, having less data in a simpler schema means that query performance is dramatically increased.
In addition to providing a web UI for accessing the application, a REST API is provided. This REST API can be accessed in a programmatic way with the Bugzilla Mirror Client.