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--- GA: 290062327 tags: LaravelConf Taiwan 2021 --- 深入淺出 Laravel Octane === **講者:Albert** {%hackmd YngQbtUERkyQlBVfVdevpw %} ## 大綱 Laravel 官方團隊在 2021 年正式推出了 Octane 來大幅提升 Laravel 的整體效能,也使得 Laravel 從此能更好地支援長生命週期的運作環境。此議程將帶領大家理解 RoadRunner 和 Swoole 如何加速 Laravel,以及在基於這種環境下常見的開發問題與誤區。 ## 議程筆記 一個request 從進來到結束總共需要載入426個檔案因此很慢 octane可以支援長生命週期的環境 ## RoadRunner 可以取代 nginx 和 PHP-FPM 可以常駐在記憶體中,不會一直被銷毀重建 ## Swoole 支援的東西比RoadRunner更多 底層由C寫的 差別在有TASK WORKER的存在 ### Lifecycle in Octane過程 ![](https://i.imgur.com/lKit5mX.png) Request-> 1. WarmUp 只執行一次 2. Prepare Sandbox 3. Reset 再來就是跟本來的laravel 一樣 # 注意事項 ## Global States Pollution ```=php <?php class Counter { public static $count = 0; } class HelloCounter { public function showCount() { $count = Counter::$count ++; return $count; } } ``` 以上每執行一次 $count都會+1 ## Memory Potential Leak 如果沒有清除記憶體,還會有Memory Leak的問題 不要加上dd($request->all()),不然會中斷request,改以var_dump之類的方式。 已經支援reset功能,跟之前要自幹不一樣 octane可以定時排程做工作 支援cache功能 不過要注意,如果server重啟會消失,並且多個server會有落差,因此要注意。 因為有多個不同worker,因此有可能記憶體空間無法共用,在Global State不同的狀況下,結果有可能會跳來跳去的。 要解決這個問題,就要用Swoole Table解決。 80%的資源都被浪費在BLOCKING ## Coroutine in Swoole Swoole的Non-Blocking io 可以解決Blocking的問題 跑分上RoadRunner跟Swoole差不多

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