MPI Operator Releases

Release v0.2.3

Enhancements

Added support for RH OCP4.1 and RH OCP4.2
Added additional installation methods
- Using kustomize and kubeflow/manifests
- Using Helm Chart
Added support for Go Modules and removed vendor directories
Added default ephemeral storage for init container
Overwrite NVIDIA env vars to avoid using GPUs on launcher
Added health check and callbacks around various leader election phases
Honor user-specified worker command
Exposed main container name as a configurable field
Added RunPolicy to MPIJobSpec that reuses kubeflow/common spec
Allow to specify the name of the gang scheduler and priority for pod group
Added error log when pod spec does not have any containers
Switched to use distroless images
Refactored the kubectl-delivery to improve the launcher performance
Added Prometheus metrics for job monitoring
Added experimental version of v1 MPIJob controller and APIs
Support Volcano as a scheduler
Switched to use pods for launcher job and statefulset workers
Switched to use klog for logging
More consistent labels with other Kubeflow operators

Fixes

Fixed nil pointer exceptions that could accidentally restart the pod
Updated status to running only when launcher is active and all workers are ready
Fixed the incorrect namespace for initializing informers and endpoints of leader election
Fixed issue in v1 controller's CRD existence check

Documentation

Added the list of adopters
Added roadmap document
Revamped contributing guidelines
Added MPIJob API reference page on Kubeflow website
Added a blog post for an introduction to MPI Operator and its industry adoption
Added a CPU-only example
Added licenses used by the dependencies

Release v0.2.2

Added default resource requirements for init container
Merged multiple deployment configuration files into a single YAML file
Switched to use JobStatus from kubeflow/common
Launcher and workers are now created together

Release v0.2.1

Switch Docker files and examples to use v1alpha2 MPI Operator.

Release v0.2.0

API Changes

Add v1alpha2 version of the MPI Operator with more consistent API spec with other Kubeflow operators
Support ActiveDeadlineSeconds in MPIJobSpec
Support custom resource types other than GPUs
Remove launcherOnMaster field

Enhancements

Support gang scheduling
Add StartTime and CompletionTime in job status
Add leader election
Switch to use pod group for gang scheduling
Add example on Apache MXNet using v1alpha1 version of the MPI Operator

Release v0.1.0

Initial release of the MPI Operator.