Better Performance & Uptime Through Async

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@HypertextRanch [email protected] xyu.io xyu     Better Performance & Uptime Through Async WordCamp Maine 2016

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 Automattic — Data Infrastructure Team

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 22,000,000,000 Page Views 3,500,000,000 Uniques 110,000,000 Blogs

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1 MILLION MODULES 1 MILLION MODULES

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22 Billion Views × 100ms = 69 Person Years

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Asynchronous Programing

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B A C

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B A C

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C A B

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C A B

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C A B

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C A B

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 Don’t Block The Critical Path

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C A B

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C A B D

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C A B D

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C A B E D

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https://developers.google.com/web/fundamentals/performance/critical-rendering-path/analyzing-crp

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https://developers.google.com/web/fundamentals/performance/critical-rendering-path/analyzing-crp

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Load Jetpack & WordPress.com Stats Async

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Asynchronous Processing

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C A B

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B A C

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Asynchronous Processing Queues

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C A B

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Counting Uniques — Naïve Approach

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B A C

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Counting Uniques — Actual Approach

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C A B

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Processing Pixels • Loggers • Aggregator & Preprocessor • Kafka Queue • ETL Pipeline • Hive Datastore • Counting Uniques • Export Results to MySQL