Susanne Balle 25d84ba662 Documentation for Workload Balance Migration Strategy

Fixed comments and added the doc primitive call

Closes-Bug: #1623486

Change-Id: I704536530c576de702434008aa30a7fbbaddff25

2016-12-12 14:17:08 -05:00

2.3 KiB

Raw Blame History

Workload Balance Migration Strategy

Synopsis

display name: workload_balance

goal: workload_balancing

watcher.decision_engine.strategy.strategies.workload_balance

Requirements

None.

Metrics

The workload_balance strategy requires the following metrics:

metric	service name	plugins	comment
`cpu_util`	ceilometer	none

Cluster data model

Default Watcher's Compute cluster data model:

watcher.decision_engine.model.collector.nova.NovaClusterDataModelCollector

Actions

Default Watcher's actions:

action description

migration

watcher.applier.actions.migration.Migrate

action	description
`migration`	watcher.applier.actions.migration.Migrate

Planner

Default Watcher's planner:

watcher.decision_engine.planner.default.DefaultPlanner

Configuration

Strategy parameters are:

parameter	type	default Value	description
`threshold`	Number	25.0	Workload threshold for migration
`period`	Number	300	Aggregate time period of ceilometer

Efficacy Indicator

None

Algorithm

For more information on the Workload Balance Migration Strategy please refer to: https://specs.openstack.org/openstack/watcher-specs/specs/mitaka/implemented/workload-balance-migration-strategy.html

How to use it ?

$ openstack optimize audittemplate create \
  at1 workload_balancing --strategy workload_balance

$ openstack optimize audit create -a at1 -p threshold=26.0 \
        -p period=310

External Links