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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # 是否可以共用1個redis或mysql連接 絕對不可以。必須每個進程單獨創建`Redis`、`MySQL`、`PDO`連接,其他的存儲客戶端同樣也是如此。原因是如果共用1個連接,那么返回的結果無法保證被哪個進程處理。持有連接的進程理論上都可以對這個連接進行讀寫,這樣數據就發生錯亂了。 __所以在多個進程之間,一定不能共用連接__ * 在`swoole_server`中,應當在`onWorkerStart`中創建連接對象 * 在`swoole_process`中,應當在`swoole_process->start`后,子進程的回調函數中創建連接對象 * 本頁面所述信息對使用`pcntl_fork`的程序同樣有效 示例 ---- ```php $serv = new swoole_server("0.0.0.0", 9502); //必須在onWorkerStart回調中創建redis/mysql連接 $serv->on('workerstart', function($serv, $id) { $redis = new redis; $redis->connect('127.0.0.1', 6379); $serv->redis = $redis; }); $serv->on('receive', function (swoole_server $serv, $fd, $from_id, $data) { $value = $serv->redis->get("key"); $serv->send($fd, "Swoole: ".$value); }); $serv->start(); ```
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