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Scaling Spree

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Rendered spree/api/products/index.v1.rabl ! in 1760.2ms

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! cache @product api/app/views/spree/api/products/show.v1.rabl

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Rendered spree/api/products/index.v1.rabl ! in 79.7ms 22x faster!

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DO: 2GB Droplet (SFO) Apache Bench (ab) Benchmarker

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DO: 2GB Droplet (NYC) Spree: master stock nginx + puma Test Server

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requests=1000, concurrency=50! ! Requests per second: 11.38

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requests=10000,! concurrency=500! ! Requests per second: N/A! Load average: 26.14!

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DO: 4GB droplet! ! Requests per second: N/A! Total of 33 requests completed!

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nginx sez:! ”512 worker_connections not enough"

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! *Google for "nginx worker_connections"* ! ! events {! worker_connections 19000;! }! ! worker_rlimit_nofile 20000;

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! requests=1000, concurrency=500! ! Requests per second: 39.84 3.5x faster!!

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Percentage of the requests served within a certain time (ms)! 50% 6379! …! 75% 10297! …! 100% 25090 (longest request)

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Percentage of the requests served within a certain time (ms)! 50% 6379! …! 75% 10297! …! 100% 25090 (longest request)

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DO: 32GB droplet, 12 cores!

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39 req/s x 6?! 2 cores => 12 cores! ~10x faster?!

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! requests=1000, concurrency=500! ! Requests per second: 58.84 [#/sec] (mean) 5.2x faster!!

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! expires_in 3.minutes api/app/controllers/spree/products_controller.rb

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! requests=1000, concurrency=500! ! Requests per second: 529.19 [#/sec] (mean) 48x faster!!

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! requests=1000, concurrency=500! ! Requests per second: ! 1705.49 155x faster!!

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! requests=10000, concurrency=1000! ! Requests per second: ! 1859 169x faster!!

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CACHE EXPIRY?! !1

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Purge everything Purge by key Purge by URL

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Purging by key headers[‘Surrogate-Key’] = “product_id=1” headers[‘Surrogate-Key’] =! “product_id=1 taxon_id=1 taxon_id=2”! !

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Purging URLs /api/products! ! /products/ruby-on-rails-tote