crontab - PHP CLI 无限执行问题
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.

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