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How Swoole Blows Up Your Mind
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Albert Chen
December 20, 2022
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How Swoole Blows Up Your Mind
PHPCon Okinawa 2019
Albert Chen
December 20, 2022
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Transcript
How Swoole Blows Up Your Mind? @PHPCon Okinawa 2019 By
Albert Chen
About Me • Albert Chen • Software Architect • M17
HandsUp • Open Source Maintainer
What is Swoole?
None
What is Swoole? • A C extension for PHP •
An asynchronous network engine for PHP • Features: • Event-driven non-blocking I/O • HTTP / HTTP2 / Websocket / TCP / UDP • Coroutine (CSP Model) • High performance for high concurrency
Why PHP Performs Poorly in High Concurrency?
Lifecycle in PHP
Lifecycle in PHP PHP Files Tokenizing Semantic Parsing AST Generate
Bytecode Execute Bytecode Output Load Bytecode From Memory Check Bytecode Cache
Blocking I/O in PHP Request Request Request Request PHP FPM
FPM Pool FPM Pool Worker Worker Worker Worker Blocking I/O
Eventloop in NodeJS
There’s no Eventloop in Traditional PHP
Let’s See What Changes in Swoole?
Structure in Swoole Server
Structure in Swoole Server • Code Is Persistent in Memory
• Swoole Takes Lifecycle Over PHP • Reduce Initialization Steps • Reduce Response Latency • Event-driven Non-blocking I/O for Requests
Benchmark Comparison of Go with Swoole
Server Benchmark in Go
Server Benchmark in Go
Server Benchmark in Swoole
Server Benchmark in Swoole
This Doesn’t Mean PHP with Swoole is Faster Than Go
(Of Course Not)
Coroutine in Swoole
Coroutine in Swoole • Blocking I/Os Are Scheduled By Coroutine
Automatically.
Coroutine in Swoole • Blocking I/Os Are Scheduled By Coroutine
Automatically.
Coroutine in Swoole • CSP Model
Does This Mean Every Blocking I/O Doesn’t Block Anymore?
Coroutine in Swoole • How about This?
Coroutine in Swoole • How about This?
Runtime Hooks Transform Blocking I/Os into Coroutines with Magic!
Use Case In HandsUp
Use Case Facebook Webhooks Message Load Balancer Server Server Server
Queue PubNub Service Analysis Service Swoole Service PubSub Many to Many Queue Workers High Concurrent Requests
Use Case • Replace Guzzle Handler with Swoole Client
Q&A