[IGNITE-8994] Configuring dedicated volumes for WAL and data with Kubernetes

• Type: Task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.7
• Component/s: documentation
• Assignee: Denis A. Magda
• Reporter: Denis A. Magda
• Created: 12/Jul/18 18:07
• Updated: 05/Oct/18 02:52
• Resolved: 05/Oct/18 02:52

Description

The current StatefulSet documentation request only one persistent volume for both WAL and data/index files:
https://apacheignite.readme.io/docs/stateful-deployment#section-statefulset-deployment

However, according to Ignite performance guide the WAL has to be located on a dedicated volume:
https://apacheignite.readme.io/docs/durable-memory-tuning#section-separate-disk-device-for-wal

Provide StatefulSet configuration that shows how to request separate volumes for the WAL and data/index files. If needed, provide YAML configs for StorageClass and volume claims.