CodePudding user response:
Look at the machine CPU, memory utilization rate is very high, if not, then may be great SQL deadlocks.CodePudding user response:
Do a rebuild index to try againCodePudding user response:
May be network problemsCodePudding user response:
More than ten thousand data, use index has little to do,You the biggest possibility is blocked or deadlock,
https://blog.csdn.net/yenange/article/details/73883915