Author Topic: What does epoll_wait() failed (22: Invalid argument) mean?  (Read 1395 times)

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What does epoll_wait() failed (22: Invalid argument) mean?
« on: January 25, 2022, 09:53:19 AM »
Overnight, or in just a few minutes, the /var/log/nginx/error.log file grew to 26 GB due to an error:
Code: [Select]
2022/01/24 00:33:26 [alert] 7949#7949: epoll_wait() failed (22: Invalid argument).

I had to reinstall the server, because. all the disk space was taken up and problems started with MSQL, in particular with cwp_root.
Errors appeared suddenly. The last changes on the server were made a few days before the errors.

Can someone explain what this error means, what caused it and what needs to be done to prevent a similar situation? I recently started administering the server, so I have very little experience.
Thank you.

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Re: What does epoll_wait() failed (22: Invalid argument) mean?
« Reply #1 on: January 27, 2022, 02:58:35 PM »
hi you need to check the logs for the errors and this type of behavior doesn't exists in healthy server and apps.