In Mini Program, what kind of notification is used to socialize with Mini Program, follow notifications, like notifications, etc. (current chat Gateway)

want to know what Gateway uses to notify these things.

Gateway php

Sep.16,2021

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Gatewayworker is distributed, is it theoretically possible for the server to send messages no matter which station it is connected to?
In the chat room made by gatewayworker, multiple machines are distributed. For example, the two machines are monitored by machine a, and the registered address of machine b points to machine A. all programs are started and executed normally, but the inf...

Workman gateway php

Jun.16,2022
Gatwayworker is distributed, and the server cannot find all clients. SendToAll is not successful and can only be sent to the client that connects to the current server.
both servers have business logic processing code: Event.php, the content is the same, but cannot sendToALL to all clients connected to the two servers, which can only be sent to their respective clients A server is deployed normally. B server does no...

Gateway php

Jun.16,2022

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-64f5-1b32ec4-2be5f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b32ec4-2be5f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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