Beanstalkd内存队列使用

最新推荐文章于 2022-09-13 08:14:22 发布

bestscw

最新推荐文章于 2022-09-13 08:14:22 发布

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分类专栏： Liunx PHP 文章标签： Beanstalkd 内存队列

本文链接：https://blog.youkuaiyun.com/bestscw/article/details/84821983

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本文介绍了一个使用PHP实现的任务队列系统示例，该系统利用Pheanstalk客户端与Beanstalkd服务器交互，包括任务发布、任务处理及状态监控等功能。

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pheanstalk_worker.php
<?php

// Hopefully you're using Composer autoloading.

// 定义 BASE_PATH
set_time_limit(0);
ini_set('memory_limit', '1024M');
define('BASE_PATH', __DIR__);

// Autoload 自动载入

require BASE_PATH.'/vendor/autoload.php';

use Pheanstalk\Pheanstalk;

$pheanstalk = new Pheanstalk('127.0.0.1');

_log('starting to run');
$cnt = 0;
$done_jobs = array();

// worker (performs jobs)

while(1){

	$islive = $pheanstalk->getConnection()->isServiceListening();
	if(!$islive){
		_log('connection failed');
	}

	
	$job = $pheanstalk->watch('testtube')->ignore('default')->reserve();
	$job_encoded = json_decode($job->getData(),true);
	$done_jobs[] = $job_encoded;
	_log('job:'.$job->getData());
	$pheanstalk->delete($job);
	$cnt++ ;

	$memory = memory_get_usage();
    _log('memory:' . $memory.',cnt:' . $cnt);

    if($memory > 1000000) {
		//_log('exiting run due to memory limit');
		//exit;
    }

    usleep(10);
}


function _log($txt) {
	file_put_contents('log/worker.txt', $txt . "\n", FILE_APPEND);
}

<?php

// Hopefully you're using Composer autoloading.

// 定义 BASE_PATH

define('BASE_PATH', __DIR__);

// Autoload 自动载入

require BASE_PATH.'/vendor/autoload.php';

use Pheanstalk\Pheanstalk;

$pheanstalk = new Pheanstalk('127.0.0.1');

echo "<pre>";
print_R($pheanstalk->stats());
echo "</pre>";

// ----------------------------------------
// producer (queues jobs)

for($i=0;$i<10000;$i++){

	$job = new stdClass();
	$job->envelope_id = rand();
	$job->date = date('Y-m-d H:i:s');
	$job_data = json_encode($job);

	$pheanstalk->useTube('testtube')->put($job_data);
	echo "pushed: " . $job_data . "\n";
}

// ----------------------------------------
// check server availability

$pheanstalk->getConnection()->isServiceListening(); // true or false