Items tagged scaling, redis
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Scaling Mastodon: The Compendium (via) Hazel Weakly’s collection of notes on scaling Mastodon, covering PostgreSQL, Sidekiq, Redis, object storage and more. # 29th November 2022, 5:46 am
Scaling a High-traffic Rate Limiting Stack With Redis Cluster. Brandur Leach describes the simple, elegant and performant design of Redis Cluster, and talks about how Stripe used it to scaled their rate-limiting from one to ten nodes. # 26th April 2018, 6:34 pm
Scaling the GitLab database. Lots of interesting details on how GitLab have worked to scale their PostgreSQL setup. They’ve avoided sharding so far, instead opting for database pooling with pgbouncer and read-only replicas using hot standbys. I like the way they deal with replica lag—they store the current WAL position in a redis key for the user every time there’s a write, then use pg_last_xlog_replay_location() on the various replicas to check and see if they have caught up next time the user makes a request that needs to read some data. # 30th October 2017, 8:53 pm
How We Made GitHub Fast. Detailed overview of the new GitHub architecture. It’s a lot more complicated than I would have expected—lots of moving parts are involved in ensuring they can scale horizontally when they need to. Interesting components include nginx, Unicorn, Rails, DRBD, HAProxy, Redis, Erlang, memcached, SSH, git and a bunch of interesting new open source projects produced by the GitHub team such as BERT/Ernie and ProxyMachine. # 21st October 2009, 9:14 pm
TwitterAlikeExample—redis. Excellent example of how you design a moderately complex system against a scalable key-value store (in this case redis). Most “how to build Twitter” code examples fail to address the hard problem of scaling user inboxes, but this one tackles it head on. # 21st May 2009, 11:14 pm
redis (via) An in-memory scalable key/value store but with an important difference: this one lets you perform list and set operations against keys, opening up a whole new set of possibilities for application development. It’s very young but already supports persistence to disk and master-slave replication. # 15th March 2009, 1:32 pm