Red Hat Summit第2章 Configuration recommendations for the Telemetry service
Because the Red Hat OpenStack Platform (RHOSP) Telemetry service is CPU-intensive, telemetry is not enabled by default in RHOSP 13. However, by following these deployment recommendations, you can avoid performance degradation if you enable telemetry.
These procedures—one for a small, test overcloud and one for a large, production overcloud—contain recommendations that maximize Telemetry service performance.
2.1. Configuring the Telemetry service on a small, test overcloud
When you enable the Red Hat OpenStack Platform (RHOSP) Telemetry service on small, test overclouds, you can improve its performance by using a file back end.
Prerequisites
- The overcloud deployment on which you are configuring the Telemetry service is not a production system.
- The overcloud is a small deployment that supports fewer than 100 instances, with a maximum of 12 physical cores on each Controller node, or 24 cores with hyperthreading enabled.
- The overcloud deployment has high availability disabled.
Procedure
Add the following to
parameter_defaultsin your/usr/share/openstack-tripleo-heat-templates/environments/enable-legacy-telemetry.yamlenvironment file:parameter_defaults: GnocchiBackend: fileAdd the
enable-legacy-telemetry.yamlfile to youropenstack overcloud deploycommand:openstack overcloud deploy \ -e /home/stack/environment.yaml \ -e /usr/share/openstack-tripleo-heat-templates/environments/enable-legacy-telemetry.yaml \ [...]
Additional resources
- Modifying the Overcloud Environment in the Director Installation and Usage guide
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