Redis 2.0 was released. some interesting additions like hashes and a pubsub connections.

Building a Scrabble MMO in 48 hours » Startup Monkeys. the game is very well done. you can scroll the board infinitely and place tiles.

Jackalope : Real time web stats. uses web sockets to create real-time heat maps of where user’s mouse is and where they’re clicking. if you click in a random place really quickly you can see it show up on the heat map.

Motorola Snaps Up 280 North For $20 Million. makers of the cappuccino web framework and atlas. that’s a lot of money for a revenue-free framework. i’ll bet that motorola basically kills the usefulness of this whole project.

Slablet. iPad html layouts. Uses iScroll library for scrolling overflows.

Scaling Memcached with vBuckets. basics of how membase (used by Zynga) shards data in a cluster. nothing about the protocol about deciding how new nodes get assigned buckets though.

Status Code Drinking Game. just keep reloading. only funny if you’re a nerd. “416 Request Entity Too Large : Thats what she said! Everyone drinks.”

Code as Craft » Batch Processing Millions and Millions of Images. 130 million to be exact. I’m amazed they preprocessed all of them instead of caching on demand. There’s gotta be 120 million images that are basically never seen.

Alex Payne — Node and Scaling in the Small vs Scaling in the Large. some interesting comments about node and the difficulties of scaling. makes a really good point about how certain large scaling problems might require completely different patterns then your existing technology. via ram.

Redis

I’ve been reading a bit about Redis lately to see what kind of things people have done with it and what kind of performance they’ve seen. Redis at Superfeedr is a good post about using Redis sorted-sets in production. A startup called Play Nicely has a couple interesting posts about replacing MySQL with Redis and using Redis for both multi-field searching and filtering and fast, fuzzy, and full-text indexing.

Surfin’ Safari » More Web Inspector Updates. the timeline inspector additions are pretty damn cool. the rest if just catch-up to firebug which is great to see.

Rack::Throttle – HTTP Request Rate Limiter for Rack Applications. this might come in handy.

EventMachine: scalable non-blocking i/o in ruby at time to bleed by Joe Damato. definitely a solid primer all about event machine. 114 slides!

Top 20 Nginx WebServer Best Security Practices. that is a crazy list of stuff.

Riak – A Decentralized, Internet-Scale Data Store. yet another nosql project. lots of ideas from amazon’s dynamo. interesting stuff about how they handle relationships and querying via map-reduce functions.

Facebook Developers | HipHop for PHP: Move Fast. Facebook is open-sourcing a php to c compiler that they said reduced their CPU footprint by 50%. They mention that facebook is doing 400B page views a month. that’s 154K per SECOND.

Engine Yard Cloud Price Reductions | Engine Yard Blog. on small and medium hosts. sweet.

Active Record Query Interface 3.0. lots of syntax changes to activerecord for rails 3.

Luke Melia » Redis in Practice: Who’s Online?. very cool writeup. I had no idea redis could do union operations like that.

Revamped Routes in Rails 3 | Rizwan Reza. i have some pretty nasty route files in my projects. this is a welcome change.