Millions of users how to calculate the equipment cost of live video broadcast architecture? how high is the cost? what is the main cost? traffic or bandwidth?

how high is the server cost required for short video APP such as Douyin? can you refine the various costs, such as server configuration, storage traffic distribution, etc.

Jan.12,2022
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-64f5-1b3c38f-2c2ff.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3c38f-2c2ff.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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