$ sudo lsof -p NGINXPID
$ sudo lsof -p 671 |grep deleted nginx 671 www-data 45u REG 202,1 3354454820 393379 /var/lib/nginx/body/0000000005 (deleted)
$ sudo lsof | grep body nginx 671 www-data 45u REG 202,1 1556957988 393379 /var/lib/nginx/body/0000000005 (deleted)
Nginx save temporary upload files in this folder.
“iwascraig commented on Jan 15
I have this problem also .. not related to CPU size.. the problem is related to upload file size…
my /var/lib/nginx/body folder is on a system volume that is only 10GB in size… when I try to upload a 15GB file (research data, often this large or larger) I run out of space and client gets error.”