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crontab - PHP CLI 无限执行问题

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Release： 2016-06-06 20:25:41
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我想弄一个队列 异步写入数据的程序

假设用CRONTAB的方式则有时间差异(如1分钟一次)

假设用do{} whlie(1)

的方式则会大量占用CPU 有什么方法,即可以无限执行,又能不占用CPU!

回复内容：

我想弄一个队列 异步写入数据的程序

假设用CRONTAB的方式则有时间差异(如1分钟一次)

假设用do{} whlie(1)

的方式则会大量占用CPU 有什么方法,即可以无限执行,又能不占用CPU!

1,设置:
set_time_limit(0)
2.设置主进程
pcntl_wait ( int &$status [, int $options ] );等待子进程

用sleep()间隔

在while(1)中做完一次任务后可以调用sleep()睡眠一段时间,睡眠期间是不占用CPU资源的.

Related labels：
cli crontab php while cycle
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