Organization of this Guide

This manual is divided into the following parts:

• Part One presents introductory material and a brief overview of AMPS

• Part Two explains the features of AMPS, including information on the following features:

  • Subscribe and Publish, the basic building blocks of AMPS applications
  • The expression language and functions used to take advantage of the content-aware features of AMPS are covered in AMPS Expressions and AMPS Functions
  • Record and Replay Messages using the AMPS transaction log
  • Competitive message consumption with Message Queues
  • The Message Types that AMPS supports for content-aware processing
  • Current value caching and database functions using State of the World (SOW) topics

  State of the World topics enable many of the other advanced features in AMPS, such as:

  • Aggregation and Analytics
  • Querying the State of the World
  • Out-of-Focus Messages
  • State of the World Message Enrichment
  • Incremental Message Updates
  • Receiving Only Updated Fields

  This section also contains detailed chapters on specific topics, such as the AMPS filter language. Both application developers and administrators should become familiar with this section.

• Part Three discusses AMPS deployment and operations, including:

  • Running AMPS as a Linux Service
  • Logging
  • Event Topics
  • Utilities
  • Monitoring AMPS
  • Configuring AMPS for Automation with Actions
  • Replicating Messages Between Instances
  • Highly Available AMPS Installations
  • Operation and Deployment
  • Securing AMPS
  • Troubleshooting AMPS

  This section is most useful for those with a focus on AMPS operations, although the information presented here is helpful for developers who want to design high-performance, high-availability applications that are easy to deploy and maintain.

• Additional chapters provide reference information:

  • Optionally-Loaded Modules describes special-purpose modules that are included in the AMPS distribution but are not loaded by default
  • File Format Versions lists the file formats used by each AMPS version