Scaling up... Has concurrency been taken in account in Espo code?

[tothewine]

I was wondering if I could apply load-balancing to espo. For example 3 php instances connecting to the same database server.
Apart from enabling cron jobs only on the first instance are there other things to note? What are the potential conflicts?

Also, is it possible to make espo work with a static (read-only/) database? Other than implementing read-only nodes it could be useful for new version testing on production DBs.

[marcbeinder]

I'd love to see multiple php instances implemented! Maybe have a document management module that dictates which node documents are stored on. Or put them in S3. Other than that the only issueI see is how upgrades are handled.