就这种： (trigger: interval[0:00:03], next run at: 2015-02-16 11:13:50.791000)" was missed by 0:00:02.002000
30几个Job，max_threads已经设成50了
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misfire_grace_time (int) – the time (in seconds) how much this job’s execution is allowed to be late 加上这个参数，总算是不会再miss那么多了
misfire_grace_time (int) – the time (in seconds) how much this job’s execution is allowed to be late
加上这个参数，总算是不会再miss那么多了