The Tumblr Architecture Yahoo Bought for a Cool Billion Dollars

A look at the infrastructure behind Tumblr, which was recently acquired by Yahoo. Juicy.

“500 million page views a day, a peak rate of ~40k requests per second, ~3TB of new data to store a day, all running on 1000+ servers.

*500 web servers
*200 database servers (many of these are part of a spare pool we pulled from for failures)
*47 pools
*30 shards
*30 memcache servers
*22 redis servers
*15 varnish servers
*25 haproxy nodes
*8 nginx
*14 job queue servers (kestrel + gearman)”

High Scalability – High Scalability – The Tumblr Architecture Yahoo Bought for a Cool Billion Dollars

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