Package Exports

hyperflow-autoscaler-plugin

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (hyperflow-autoscaler-plugin) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

Autoscaler

Alternative to Kubernetes Autoscaler, that is focused on Hyperflow engine. It is intended to provide better scaling results, by utilizing workflow details and predictions and taking proper action according to selected scaling policy.

Scaling kubernetes infrastructure is performed via custom providers.

Installation

$ npm install -g hyperflow-autoscaler-plugin

Configration

Plugin behavior is controlled via environmental variables.

HF_VAR_autoscalerProvider

Provider for managing cluster infrastructure.

Possible values:

gcp -- Google Cloud Platform
kind -- Kubernets in Docker, for development only
dummy -- autoscaler will not perform any real cluster change
none -- completety disables autoscaler functionality

HF_VAR_autoscalerMachineType

Name of worker instance type.

Possible values:

n1_highcpu_4
n1_highcpu_8
and so on

HF_VAR_autoscalerPolicy

"Rules" for scaling.

Possible values:

react -- scale in reactive way, by adjusting cluster to current demand
predict -- scale cluster with workflow preditions

HF_VAR_autoscalerEstimator

This applies to predict policy; specifies estimator.

Possible values:

process -- per process estimations
workflow -- per workflow estimations (Token-like method)

HF_VAR_autoscalerGKEPool

This applies to gcp provider only; specifies name of workers node pool.

Default value: "default-pool"

Usage

$ hflow run /wf_dir -p hyperflow-autoscaler-plugin