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Volcano is a batch system built on Kubernetes. It provides a suite of mechanisms that are commonly required by many classes of batch & elastic workload including: machine learning/deep learning, bioinformatics/genomics and other "big data" applications. These types of applications typically run on generalized domain frameworks like TensorFlow, Spark, PyTorch, MPI, etc, which Volcano integrates with.

Volcano builds upon a decade and a half of experience running a wide variety of high performance workloads at scale using several systems and platforms, combined with best-of-breed ideas and practices from the open source community.

NOTE: the scheduler is built based on kube-batch; refer to #241 and #288 for more detail.

Overall Architecture

Talks

• Intro: Kubernetes Batch Scheduling @ KubeCon 2019 EU
• Volcano 在 Kubernetes 中运行高性能作业实践 @ ArchSummit 2019
• Volcano：基于云原生的高密计算解决方案 @ Huawei Connection 2019
• Improving Performance of Deep Learning Workloads With Volcano @ KubeCon 2019 NA
• Batch Capability of Kubernetes Intro @ KubeCon 2019 NA

Ecosystem

• Horovod/MPI
• kubeflow/tf-operator
• kubeflow/arena
• paddlepaddle
• spark-operator
• cromwell

Quick Start Guide

Prerequisites

• Kubernetes 1.12+ with CRD support

You can try volcano by one the following two ways.

Install with YAML files

Install volcano on a existing Kubernetes cluster.

kubectl apply -f https://raw.githubusercontent.com/volcano-sh/volcano/master/installer/volcano-development.yaml

Enjoy! Volcano will create the following resources in volcano-system namespace.

NAME                                       READY   STATUS      RESTARTS   AGE
pod/volcano-admission-5bd5756f79-dnr4l     1/1     Running     0          96s
pod/volcano-admission-init-4hjpx           0/1     Completed   0          96s
pod/volcano-controllers-687948d9c8-nw4b4   1/1     Running     0          96s
pod/volcano-scheduler-94998fc64-4z8kh      1/1     Running     0          96s

NAME                                TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)   AGE
service/volcano-admission-service   ClusterIP   10.98.152.108   <none>        443/TCP   96s

NAME                                  READY   UP-TO-DATE   AVAILABLE   AGE
deployment.apps/volcano-admission     1/1     1            1           96s
deployment.apps/volcano-controllers   1/1     1            1           96s
deployment.apps/volcano-scheduler     1/1     1            1           96s

NAME                                             DESIRED   CURRENT   READY   AGE
replicaset.apps/volcano-admission-5bd5756f79     1         1         1       96s
replicaset.apps/volcano-controllers-687948d9c8   1         1         1       96s
replicaset.apps/volcano-scheduler-94998fc64      1         1         1       96s

NAME                               COMPLETIONS   DURATION   AGE
job.batch/volcano-admission-init   1/1           48s        96s

Install from code

If you have no kubernetes cluster, try one click install from code base:

./hack/local-up-volcano.sh

Community, discussion, contribution, and support

You can reach the maintainers of this project at:

Slack Channel : https://volcano-sh.slack.com. (Signup here)

Mailing List : https://groups.google.com/forum/#!forum/volcano-sh