I try to run the command generate_metadata_cache into the Dispatcher server and it doesn't work. The memory increase until the server completely crash. On the logfile, I've nothing (it's empty). This command works on Appserver. I also tested the operation generate_client_meta_cache -u=...
ScheduledExecutorService类顾名思义，就是可以延迟执行的Executor。如果，对于某些任务，我们并不想马上执行，而是想让任务过一段时间后才执行，或者让任务进行周期性执行。我们就可以采用ScheduledExecutorService类。