Sorted:

Couchbase Scalability Explained

Tomcat Backup & Restore Guide

Couchbase Cluster Scaling Guide

Tomcat Class Loader Explained

Tomcat Realm: Authentication & Authorization Guide

Tomcat Redirect Guide: Simple Implementation

Tomcat Session Tracking Tutorial

Tomcat Access Control: Configuration Guide

How to Configure Tomcat URL Rewriting

Tomcat Secure Login: Best Practices