This Confluence has been LDAP enabled, if you are an ASF Committer, please use your LDAP Credentials to login. Any problems file an INFRA jira ticket please.

Page tree
Skip to end of metadata
Go to start of metadata

To scale a cluster up or down, use the Cluster API. The Cluster API provide flexup and flex down capability the changes the size of one or more instances in a cluster. The instance size is a profile parameter that is a predefined value of zero, small, medium, and large. These predefined values are specified in the Myriad configuration file (myriad-config-default.yml). To specify the number of instances for a service, use the Service API. Services are configured in the Myriad configuration file (myriad-config-default.yml). To retrieve the Myriad configuration and the Myriad Scheduler state, use the Configuration API and State API.

The Myriad REST API provides the following functionality:


APIHTTP MethodURIDescription
ClusterPUT/api/cluster/flexupExpands the cluster size.
ClusterPUT/api/cluster/flexdownShrinks the cluster size.
ServicePUT/api/cluster/flexupserviceIncreases the number of instances for a service.
ServicePUT/api/cluster/flexdownserviceShrinks the number of instances for a service.
ConfigurationGET/api/configRetrieves the Myriad configuration.
StateGET/api/stateRetrieves a snapshot of the Myriad Scheduler state.
FrameworkGET/api/framework/shutdown/frameworkDestroys the Myriad framework.
  • No labels