Transaction Processing

12

Advanced Transaction Manager Topics

12.1. Introduction

12.2. Heterogeneous Commit Coordinators

12.2.1. Closed versus Open Transaction Managers

12.2.2. Interoperating with a Closed Transaction Manager

12.2.2.1. Closed Queued Transaction Monitors

12.2.3. Writing a Gateway to an Open Transaction Manager

12.2.3.1. Outgoing Transactions

12.2.3.2. Incoming Transactions

12.2.3.3. The Multiple Entry Problem

12.2.4. Summary of Transaction Gateways

12.3. Highly Available (Non-Blocking) Commit Coordinators

12.3.1. Heuristic Decisions Resolve Blocked Transaction Commit

12.4. Transfer-of-Commit

12.5. Optimizations of Two-Phase Commit

12.5.1. Read-Only Commit Optimization

12.5.2. Lazy Commit Optimization

12.5.3. Linear Commit Optimization ...