The generation speed of Hexo generate is slow.

I just set up a blog with hexo and imported a total of 920 articles from wordpress. It takes 5 minutes to generate i3 2100+ssd 840s and 2.7minutes to generate imac in the office. It feels so slow!
is this speed normal?

Jul.06,2021

the process of generating static files is this speed. I usually update one or two articles, hexo g in tens of seconds, not to mention nearly a thousand articles.

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-64f5-1eb8a92-26ed.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eb8a92-26ed.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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