Twister2 Configurations

A detailed description of all the configuration parameters supported by Twister2 can be found in Twister2 Configurations.

Configuration Folder

Twister2 is configured using set of YAML files. These configurations are related to different components of Twister2. All the configurations can be found inside the conf folder of Twister2 distribution. Below shows the sample structure of the configuration folder

Inside there you'll find several folders. Below table describes these folders along with the configurations inside them.

Directory	Description
common	Common configurations to all the resource schedulers
standalone	Standalone deployment mode specific configurations
kubernetes	Kubernetes based deployment configurations
mesos	Mesos based deployment configurations
nomad	Nomad based deployment configurations
slurm	Slurm based deployment configuration
dashboard	UI Configurations

When reading configurations, Twister2 first looks at the common folder. Then it looks at deployment specific folder for configurations. One can specify the same configuration parameter in a file in common folder as well as deployment specific folder. The configurations read from the deployment specific folder takes precedent over common configurations. If the same parameter is specifed in two files under the same folder the order is not specified.

Configuration Files

In common and deployment specific folders we can find the following files.

Config File	Description
core.yaml	Core services related configurations, job master, thread pools etc
resource.yaml	Resource provisioning and job submit related configurations
network.yaml	Network and parallel operator related configurations
task.yaml	Compute API related configurations including, task scheduler and executor
data.yaml	Data access related configurations
checkpoint.yaml	Check-pointing configurations

A detailed description of the configurations can be found in the following guide.

Twister2 Configurations.