Wechat built-in browser websocet question

in Wechat"s built-in browser, using websocket, the connection speed is very fast in WIFI environment, and it takes several seconds to connect in 3G or 4G mode. Has anyone ever encountered such a situation?

Wechat-public-platform websocket
Aug.20,2021

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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-64f5-1b3f4fd-3484c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3f4fd-3484c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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