Before you start to install CQ WCM please read CQ WCM Technical Requirements, in particular, the following sections:

CQ system architecture is described in detail in the CQ5 Architect Guide, which includes the underlying technologies such as Sling.

The following figure shows a high-level overview of how the various Day products and modules interact:

Figure 1. CQ5 Overview

The following figure shows the underlying technologies:

Figure 2. CQ5 Technology Stack

For detailed CQ5 architecture information, see the CQ5 Architect Guide.

Content is stored using a Persistence Manager. The persistence manager saves the repository content to a permanent storage solution, such as the file system or a database. By default, CQ5 (CRX 1.4) saves repository content to the Tar persistence manager.

If you use a database persistence manager to store the CQ data in an external database (that is, a database on a server that runs independently from CQ), you need to set up the database before installing CQ. By default, CQ 5 WCM uses the tar persistence manager. If you need to configure a database persistence manager, see Custom Installation - Configuring a Persistence Manager other than TarPM.