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System Management Guide:
Operating System and Devices

Workload Manager

Workload Manager (WLM) gives system administrators more control over how the scheduler and the virtual memory manager (VMM) allocate resources to processes. Using WLM, you can prevent different classes of jobs from interfering with each other and you can allocate resources based on the requirements of different groups of users.

This section contains procedures for configuring WLM with classes and rules that are appropriate for your site and suggestions for troubleshooting unexpected resource consumption behavior. Also, Configure Workload Manager (WLM) to Consolidate Workloads provides instructions for creating an example configuration.

The tasks in this section assume you are familiar with WLM concepts provided in the AIX 5L Version 5.2 System Management Concepts: Operating System and Devices.

Attention: Efficient use of WLM requires extensive knowledge of existing system processes and performance. If the system administrator configures WLM with extreme or inaccurate values, performance will be significantly degraded.

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