Simon Willison’s Weblog

Items tagged redis in Dec

Filters: Month: Dec × redis ×

HotQueue. A super-simple Python work queue using Redis. The API is neat, and makes clever use of generators for blocking consumption of queue items. # 22nd December 2010, 11:51 am

What is the largest production deployment of Redis?

I’d guess Twitter or Craigslist.

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What are the advantages and disadvantages of using MongoDB vs CouchDB vs Cassandra vs Redis?

I see Redis as a different category from the other three—kind of like you wouldn’t say “what are the advantages of MySQL v.s. Memcached”. Redis makes an excellent complement to pretty much any other persistent storage mechanism. I expanded on this here:

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New Redis ZINCRBY command (via) Just added to Redis, a command which increments the “score” for an item in a sorted set and reorders the set to reflect the new scores. Looks ideally suited to real time stats, and I’m sure there are plenty of other exciting uses for it. # 22nd December 2009, 8:38 pm

Crowdsourced document analysis and MP expenses

As you may have heard, the UK government released a fresh batch of MP expenses documents a week ago on Thursday. I spent that week working with a small team at Guardian HQ to prepare for the release. Here’s what we built:

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I think that what’s particularly hard with C is not the details about pointers, automatic memory management, and so forth, but the fact that C is at the same time so low level and so flexible. So basically if you want to create a large project in C you have to build a number of intermediate layers (otherwise the code will be a complete mess full of bugs and 10 times bigger than required). This continue design exercise of creating additional layers is the hard part about C. You have to get very good at understanding when to write a function or not, when to create a layer of abstraction, and when it’s worth to generalize or when it is an overkill.

Salvatore Sanfilippo # 18th December 2009, 3:50 pm