OOM Casablanca - M3 Architecture Review

** Work in Progress**

Architecture Changes since Beijing

There are no significant architecture changes for OOM in the Casablanca release.

The focus for this release is in the following areas:

1. Persistent Storage
   • pluggable persistent storage technologies
   • standardized Helm Templates (introduced in Beijing) evolved slightly to support global configuration and sub chart overrides of Storage Classes
   • delivering support for GlusterFS  OOM-1228 - Getting issue details... STATUS
2. Resource Limits
   
   • CPU and Memory limits per Helm Chart
   • Improves Pod placement based on resources available to a Kubernetes Cluster
   • OOM working with project teams for accurate values
3. Common "shared" Helm Charts
   
   • mariadb-galera cluster
   • postgres
   • cassandra
   • ELK  OOM-1101 - Getting issue details... STATUS
4. Platform Resiliency
   
   • Backup and Restore  OOM-1232 - Getting issue details... STATUS
   • Node Selectors  OOM-1229 - Getting issue details... STATUS
   • Enable (Anti)Affinity Rules  OOM-1231 - Getting issue details... STATUS

Software Changes since Beijing

Upgrading from Helm 2.8.2 to 2.9.1.

API Updates

OOM does not provide any external APIs.

S3P Updates

Information/Data Model Alignment

No impact on OOM.