Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
cachegrand is an open-source fast, scalable and secure Key-Value store able to act as Redis drop-in replacement, designed from the ground up to take advantage of modern hardware vertical scalability, able to provide better performance and a larger cache at lower cost, without losing focus on distributed systems.