About API response delay

if you have two API, the ideal response time for the first API is 10ms, and the ideal response time for the second API is 300ms.

the average response time within one minute for the first API is 20ms, and the average response time for the second API is 500ms.

which API is more serious? (taking into account network delays and fluctuations)

Dec.18,2021
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-64f5-1bc0be2-44ab4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bc0be2-44ab4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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