DBBalancer Manual

Daniel Varela Santoalla

dvs@arrakis.es

Table of Contents

1. Introduction: What is DBBalancer?

A database connection pool
A load balancer
A database replicator

2. Installation: The first steps

Installation from a binary distribution

Installation from source

Getting and compiling the ACE framework
Configuring and compiling DBBalancer

3. Configuration and usage: How does it work?

Runtime flags

Configuration file

Daemon section
Machine sections

4. Architectures: How to use it?

A connection pool
A load balancing connection pool
Load balancing connection pool with database replication

5. Features and limitations

Limitations

Connection Pool mode
Load Balancer mode
Load Balancer and Write Replicator mode

6. Implementation details: How was this done?

Postgres protocol and pooling
Connection recovery
Thread and connection load adaptability
Another databases

7. The future: Where is DBBalancer going?

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		Introduction: What is DBBalancer?