更好的办法是使用在预定义时间间隔调用php脚本的cron作业或调度任务，php脚本在被调用之后生成rss提要并保存到名为rss . xml的文件中。
A better solution might be to have a cron job or scheduled task that calls a PHP script at pre-defined intervals, which in turn generates the RSS feed and saves it to a file called rss.xml.
线程在作业调度器上调度，所以理论上讲，该机器不应该用于执行任何子任务。
Threads are scheduled on the job dispatcher, so ideally this machine should not be used to execute any subtasks.
运行服务器在启动时接通作业调度器，并通知作业调度器它已准备就绪，可以接受要执行的任务了。
The run server contacts the job dispatcher when it starts up and informs the job dispatcher that it is ready to accept tasks for execution.
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