widelinks && performance
Jeremy Allison
jallison at cthulhu.engr.sgi.com
Wed Apr 14 16:49:03 GMT 1999
Andrew, I know you were interested in the Apache problem
in the Mindcraft benchmark (off topic, I know :-).
Soeone posted this on Linux Today.
> I have solved their Apache collapse problem. To solve it, they need to do this:
>
> echo 4096 >/proc/sys/kernel/file_max
> echo 5120 >/proc/sys/kernel/inode_max
>
> Yep, they were running out of file handles! So Apache was trying to accept() a connection (which uses a
> file handle), the accept() was failing, and it appeared to the outside observer that the whole bloody server
> had fallen to pieces.
>
> And these idjits weren't smart enough to notice that /var/log/messages was full of "kernel: no file"
> messages, sigh.
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