[jimbohn]

Assuming the "Designed for caching immutable blobs", I guess the approach is to indeed increase the cache size in each AZ or eat the cross-AZ networking costs.

[shikhar]

Yes, that's how we are running it at s2.dev, auto-scaled per-AZ deployments. https://www.reddit.com/r/databasedevelopment/comments/1nh1go...