PHP异步操作(swoole, gearman)
PHP异步操作
废话不说直接进入正题:
应用场景:
业务逻辑中经常会出现发送信息,发送邮件,记录日志等等,这个时候用异步再好不过了,用户直接的体验就是:使用的贼流畅~~
使用技术:
1.gearman : 这个不仅仅支持PHP了其他语言也支持
2.swoole : 有PHP的扩展,用起来更方便
NOTE:感觉上 gearman = swoole + 异步队列;
不同点:
1.gearman有个队列专门用来存储发送过来的异步请求,即使worker挂了,重启以后,照样也能将没有处理的请求处理.swoole在这点上没有专门的处理
2.swoole的使用安装更为方便,使用C语言写的PHP扩展,性能测试了下,杠杠的,使用到目前为止没有什么问题,gearman的安装比较麻烦,网上文章一大堆,试了很多都没用,后来到了gearman的官网才解决掉.
3.gearman的历史比较悠久,使用场景很丰富,有详细的文档,业务量不算很大的使用,非常稳定.swoole是中国人开发的(支持国产),有很多大型公司在使用,
详细的gearman安装文档:
yum -y install libgearmanyum install libgearman-develwget http://pecl.php.net/get/gearman-1.1.2.tgztar -zxvf gearman-1.1.2.tgzcd gearman-1.1.2/data/apps/php/bin/phpize./configure --prefix=/data/apps/phpgearman --with-php-config=/data/apps/php/bin/php-configmake&& make installvim /data/apps/php/etc/php.ini增加extension=gearman.so测试vim worker.php <?php$worker= new GearmanWorker();$worker->addServer();$worker->addFunction("reverse", "my_reverse_function");while ($worker->work());function my_reverse_function($job){ return strrev($job->workload());}?>vim client.php<?php$client= new GearmanClient();$client->addServer();print $client->do("reverse", "Hello World!");?>php client.php!dlroW olleH
安装swoole的PHP扩展:
wget http://pecl.php.net/get/swoole-1.7.17.tgztar -zxvf swoole-1.7.17.tgzcd swoole-1.7.17phpize./configuremake && make install

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