The probability that the website returns 502 from 3: 20 a.m. to 3: 40 a.m. every day is more than 2 / 1000. The server load is not high, on the contrary, all indicators have decreased?

Load-balancing redis mysql nginx php
Mar.29,2021

fpm configures max_requests if the number of requests processed by each fpm exceeds this number, it will restart. It should be that your business makes the number of fpm requests operate the threshold at that time, causing the fpm process to restart at the same time, and there are only a small number of fmp that can handle requests, resulting in 502. Please refer to http://www.yunweipai.com/arch.

Previous: Accessing the Weblogic management entity encountered weblogic.management.NoAccessRuntimeException.

Next: Error reported using YII exit function, logout? not found

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-64f5-1b355ba-2bf6d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b355ba-2bf6d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?