Planning your deployment# Understanding Postgres Enterprise Manager components and architecture PEM architecture PEM server PEM agent PEM web application SQL Profiler extension Deployment considerations Connection pooling using PgBouncer PEM server and agent connection management mechanism Preparing the PEM database server Configuring PgBouncer Configuring the PEM agent Authentication options Configuring the PEM server to use Kerberos authentication Configuring the PEM server to use Windows Active Directory domain services for Kerberos authentication (SSPI) Configuring the PEM server to use two-factor authentication Securing your deployment Web server security configuration PEM application security configurations Web server installation options PEM server and web server on separate hosts PEM server and web server on the same host High Availability Patterns for PEM Deployment Running multiple instances of the PEM backend database Running multiple PEM web application instances Upgrading an HA PEM deployment Load balancers, proxies and VIPs Reference Architectures