You are probably familiar with n+1 problem: when a request to load 1 item turns into n+1 requests since the item has n other associated items. The terms has been mainly described in the context of Object Relational Mappers (ORMs) when lazy loading associated records have caused additional calls to the RDBMS database resulting in poor performance, locks, deadlocks and timeouts.
This article now has been published on @infoq. Please view the article here.
This article is humbly dedicated to Adrian Cockcroft and Daniel Jacobson for their inspiring yet ground breaking works.