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Your API is too slow!
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Grzegorz Witek
June 23, 2016
Programming
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Your API is too slow!
RedDotRubyConf 2016
Grzegorz Witek
June 23, 2016
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Transcript
@arnvald, RedDotRubyConf 2016 YOUR API IS TOO SLOW!
None
@arnvald, RedDotRubyConf 2016 YOUR API IS TOO SLOW!
@arnvald, RedDotRubyConf 2016 YOUR API IS TOO SLOW! 2TQDCDN[ HCUVGPQWIJ
Grzegorz Witek
is speed a feature?
is lack of speed a bug?
Algolia Github
Web application optimization loading priority static content dynamic content domain
sharing JavaScript compression asset minifying CSS HTML un-CSS prefetching HTTP/2 image sprites CDN database optimization multi-threading
Web API optimization loading priority static content dynamic content domain
sharing JavaScript compression asset minifying CSS HTML un-CSS prefetching HTTP/2 image sprites CDN database optimization multi-threading
Long way of a request ! " #
Latency ! " #
Where are your users? "
Where are your users? " Singapore Jakarta 13ms
Where are your users? " Singapore Hanoi 100ms
Where are your users? " Singapore New York 265ms
Where are your users? " Singapore Shanghai 320ms
Dynamic content acceleration ! CDN #
Latency
Latency
Long way of a request ! " #
Processing #
Don’t be a smart-ass “Oh, I know, we have to
cache it!”
Measure gem 'ruby-prof' gem 'rack-mini-profiler'
Measure in production mode pre-production stage
Measure gem 'newrelic' gem 'skylight'
Measure profile - focus on the slowest part
Measure benchmark - compare alternative solutions
Improve
Improve Rely on your database
Improve Where is your cache?
Improve Redis on a separate machine - fast Redis on
the same machine - faster Application memory - the fastest
Improve Multi-layered cache (Russian doll caching)
Improve When needed - mutate
Improve Upgrade your libraries
Improve When needed - replace your libraries
Improve gem 'json' gem 'oj' gem 'oj-mimic-json'
Improve Native extensions - not only C!
Improve https://github.com/rustbridge/helix https://github.com/d-unseductable/ruru
Improve Move processing to the background
Improve When desperate - extract part of the application
Improve I said "when desperate" not "ASAP NOW!!!11"
Improve I said "part", not "rewrite everything in Go"
Improve There's more, way more
Long way of a request ! " #
Download ! " #
Improve Not only GZIP
Long way of a request ! " #
Speed up your API use CDN infrastructure profile and benchmark
focus on the slowest part rewriting is the last thing to consider
Speed up your API Ruby is fast enough Sinatra is
fast enough Rails is fast enough
@arnvald, RedDotRubyConf 2016 YOUR API IS TOO SLOW! 2TQDCDN[ HCUVGPQWIJ