HA Deployment for Apache Answer

[davivcgarcia]

I'm willing to deploy Apache Answer for internal purposes, but we need to ensure high availability. We have a Active/Standby database already, and we were planning to deploy Apache Answer as containers on a orchestrator leveraging multiple replicas for high availability purposes.

Some questions:

• How Apache Answer handles user session? Is it kept in memory, or stored externally in the database?
• Is Apache Answer storing anything locally (ex. temporary files)?
• Do you have plan to provide documentation with recommendations for production-ready deployments?

[LinkinStars]

FYI: #724

How Apache Answer handles user session? Is it kept in memory, or stored externally in the database?

Keep the user session in memory by default. You can use the cache-redis plugin to replace it.

Is Apache Answer storing anything locally (ex. temporary files)?

Save user upload file locally by default. You can use the storage-s3 plugin to replace it.

Do you have plan to provide documentation with recommendations for production-ready deployments?

Good idea. I know some users deploy Answer in k8s using statefulset. Eventually, we write the documentation which may require a lot of some practice and testing(need time). Maybe the actual one also involves some infrastructure, like gateways and so on.