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Contents About This Guide Who Should Use This Guide How This Guide is Organized Using the Documentation Documentation Conventions General Conventions Conventions Referring to Directories Product Support Chapter 1 Overview of Deployment About Deployment Throughput Response Time Availability Phases of the Deployment Process Planning Your Environment Selecting a Topology Running Tests Chapter 2 Planning your Environment Introducing HADB Data Redundancy Units Spare Nodes Sample HADB Architecture Establishing Performance Goals Estimating Throughput Estimating Load on Application Server Instances Maximum Number of Concurrent Users Think Time Average Response Time Requests Per Minute Estimating Load on HADB Understanding Session Persistence Number of Requests per Minute Received by the HADB Session Size Per Request Comparison of Persistence Scope Options Designing for Peak Load or Steady State Load Frequency and Duration of Peak Load Design Decisions to Make Number of Applications Server Instances Needed Number of HADB Nodes Required HADB Storage Capacity Required Whether You Want to Design for Peak Load or for Steady State Load Planning Network Configuration to Meet Your Performance Goals Estimating Bandwidth Requirements Peak Load Times Calculating Bandwidth Required Peak Load Subnets Network Cards Network Settings for HADB Planning Availability Adding Redundancy to the System Failure Classes Using Redundancy Units to Improve Availability Using Spare Nodes to Improve Fault Tolerance Planning Failover Capacity Using Multiple Clusters to Improve Availability Chapter 3 Selecting a Topology Common Requirements General Requirements HADB Nodes and Machines Load Balancer Configuration Co-located Topology Reference Co-located Topology Configuration Settings for Reference Co-located Topology Variation to Reference Co-located Topology Configuration Settings for Variation to the Reference Co-located Topology Separate Tier Topology Reference Configuration Configuration Settings for Reference Separate Tier Topology Variation to Reference Separate Tier Topology Configuration Settings for Variation to Reference Separate Tier Topology Comparison of the Topologies Determining Which Topology to Use Index Previous Contents Index Next Copyright 2003 Sun Microsystems, Inc. All rights reserved.
Copyright 2003 Sun Microsystems, Inc. All rights reserved.
