How Swoole Blows Up Your Mind

PHPCon Okinawa 2019

Transcript

1. How Swoole
   Blows Up Your Mind?
   @PHPCon Okinawa 2019
   By Albert Chen
   

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2. About Me
   • Albert Chen
   • Software Architect
   • M17 HandsUp
   • Open Source Maintainer
   

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3. What is Swoole?
   

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5. 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
   

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6. Why PHP Performs
   Poorly in High Concurrency?
   

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7. Lifecycle in PHP
   

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8. Lifecycle in PHP
   PHP

   Files
   Tokenizing
   Semantic
   Parsing
   AST
   Generate
   Bytecode
   Execute
   Bytecode
   Output
   Load Bytecode
   From Memory
   Check
   Bytecode Cache
   

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9. Blocking I/O in PHP
   Request
   Request
   Request
   Request
   PHP
   FPM
   FPM
   Pool
   FPM
   Pool
   Worker
   Worker
   Worker
   Worker
   Blocking I/O
   

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10. Eventloop in NodeJS
    

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11. There’s no Eventloop
    in Traditional PHP
    

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12. Let’s See What Changes
    in Swoole?
    

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13. Structure in Swoole Server
    

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14. 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
    

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15. Benchmark Comparison
    of Go with Swoole
    

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16. Server Benchmark in Go
    

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17. Server Benchmark in Go
    

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18. Server Benchmark in Swoole
    

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19. Server Benchmark in Swoole
    

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20. This Doesn’t Mean
    PHP with Swoole is Faster Than Go
    (Of Course Not)
    

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21. Coroutine in Swoole
    

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22. Coroutine in Swoole
    • Blocking I/Os Are Scheduled By Coroutine Automatically.
    

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23. Coroutine in Swoole
    • Blocking I/Os Are Scheduled By Coroutine Automatically.
    

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24. Coroutine in Swoole
    • CSP Model
    

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25. Does This Mean Every
    Blocking I/O Doesn’t Block Anymore?
    

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26. Coroutine in Swoole
    • How about This?
    

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27. Coroutine in Swoole
    • How about This?
    

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28. Runtime Hooks
    Transform Blocking I/Os into
    Coroutines with Magic!
    

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29. Use Case
    In HandsUp
    

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30. 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
    

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31. Use Case
    • Replace Guzzle Handler with Swoole Client
    

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32. Q&A
    

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