Quartz 触发新线程？
石英调度程序是否为每个触发器创建一个新线程，或者只创建一个负责所有线程的线程？
Does a quartz scheduler create a new thread for each of the triggers or only a single thread which takes care of all the threads ?
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Quartz 使用可配置的线程池来执行计划任务。因此线程应该在作业执行之间回收。可以按照此处所述配置有多少个并行线程：
http://www.quartz-scheduler.org/documentation/quartz -2.x/configuration/ConfigThreadPool
由于您可以自己实现 ThreadPool 接口，但是您可以偏离并生成一个根本不进行池化的“ThreadPool”。 （此处描述了要实现的接口：http://www. docjar.com/docs/api/org/quartz/spi/ThreadPool.html）
Quartz uses a configurable thread pool to execute the scheduled tasks. So threads should be recycled between the job executions. How many threads there are in parallel can be configured as is described here:
http://www.quartz-scheduler.org/documentation/quartz-2.x/configuration/ConfigThreadPool
As you can give implementations to the ThreadPool interface yourself, you can, however, deviate and generate a "ThreadPool" that does no pooling at all. (The Interface to implement is described here: http://www.docjar.com/docs/api/org/quartz/spi/ThreadPool.html)