After one of your functions is in the production environment, the pressure on the server increases sharply, how to troubleshoot

Hello, everyone. The questions are as follows: 

cpu:
Java production-environment server-performance stress-test
Mar.06,2021

check which processes in the server take up too much cpu, and then see if there is any abnormal access to the log in this service

Previous: Error report under react project windows

Next: How does the server get the picture in the input content in vue-cli 's vue-quill-editor rich text editor?

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-435e124-46e7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-435e124-46e7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?