Tumblr's Staircar: Redis Presharding

Enter Staircar: a lightweight HTTP service to make interacting with hundreds of Redis instances look easy. We considered some nascent open source projects for the job, but found they had a lot of functionality we didn’t need, and/or struggled with response times once the number of elements in the sorted set started to grow. Thus, we ended up with our own libevent-based interface in C, which presents itself as a RESTful, JSON-speaking service.

Extensive benchmarking showed Staircar was able to handle roughly 30,000 requests a second per server.

Great stuff. Can’t wait to see some code.

7 months ago  Notes (585)
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