Recently for the school teacher to be a Java web project, used to be running smoothly, never a database service (wampserver) interrupted, but since yesterday, I give some database table adds a field, frequent collapse today, especially when a lot of people are login (but feel, more than 150 people or so) to collapse, and then a face of meng made his teacher and classmates, when I was in his notebook test nor seen service interruptions, but I posted on the school server (Windows 2008 R2), as I just said the problem, but I restarted the service was good, for each great god have a look at what the error log is as follows:
The 2018-11-15 T06:56:51. 709692 z 0 [Note] Giving 152 client threads a chance to die gracefully
The 2018-11-15 T06:56:51. 709692 z 0 [Note] Shutting down slave threads
The 2018-11-15 T06:56:53. 722095 z 0 [Note] Forcefully disconnecting 152 remaining clients
The 2018-11-15 T06:56:53. 722095 z 0 [Warning] wampmysqld64: Forcing the close of the thread 2 user: 'root'
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The 2018-11-15 T06:56:53. 768895 z 0 [Warning] wampmysqld64: Forcing the close of the thread 153 user: 'root'