Red Hat Training

A Red Hat training course is available for RHEL 8

Chapter 11. Optimizing the system performance using the web console

Learn how to set a performance profile in the RHEL 8 web console to optimize the performance of the system for a selected task.

11.1. Performance tuning options in the web console

Red Hat Enterprise Linux 8 provides several performance profiles that optimize the system for the following tasks:

  • Systems using the desktop
  • Throughput performance
  • Latency performance
  • Network performance
  • Low power consumption
  • Virtual machines

The tuned service optimizes system options to match the selected profile.

In the web console, you can set which performance profile your system uses.

Additional resources

11.2. Setting a performance profile in the web console

This procedure uses the web console to optimize the system performance for a selected task.

Prerequisites

Procedure

  1. Log into the RHEL 8 web console. For details, see Logging in to the web console.
  2. Click Overview.

  3. In the Performance Profile field, click the current performance profile.

    cockpit performance profile pf4

  4. In the Change Performance Profile dialog box, change the profile if necessary.

  5. Click Change Profile.

    cockpit performance profile change pf4

Verification steps

  • The Overview tab now shows the selected performance profile.

11.3. Monitoring performance using the web console

Red Hat’s web console uses the Utilization Saturation and Errors (USE) Method for troubleshooting. The new performance metrics page has a historical view of your data organized chronologically with the newest data at the top.

Here, you can view the events, errors, and graphical representation for resource utilization and saturation.

Prerequisites

  1. Make sure the web console is installed and accessible. For details, see Installing the web console.

  2. Install the cockpit-pcp package, which enables collecting the performance metrics: 

    # yum install cockpit-pcp

Procedure

  1. Log into the RHEL 8 web console. For details, see Logging in to the web console.

  2. Click Overview.

    Web console Overview

  3. Click View details and history to view the Performance Metrics.

    View details and history

    Performance metrics in Web console