Nginx backlog

nginx error, the system lacked sufficient buffer space or because queue was full, means that there are too many concurrent connections, the buffer is occupied, and it is 502 to restart the nginx access service. It is said that backlog is not enough. Which configuration should be modified by window?

Buffer 502 nginx
Apr.09,2021

net.ipv4.tcp_max_syn_backlog = 102400

Windows?
nginx is a toy under Windows. Use IIS or Apache instead.

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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-64f5-1b36192-2bfdd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b36192-2bfdd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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