You have been subscribed to a public bug by Marc Deslauriers (mdeslaur):
Binary package hint: nginx
The default maximum number of worker_connections for nginx by default is
1024. The maximum number of file descriptors allowed for the www-data
user by the OS by default is 1024. Each connection in nginx uses one
file descriptor. When there are close to 1024 connections, nginx runs
out of file descriptors and starts flooding the error.log (at a rate of
about 1MB/sec) with alerts (“accept() failed (24: Too many open
files)”). On a busy server, this causes the disk to quickly fill up.
www-data should either have its file descriptor limit raised by default
to something higher than 1024, or the default number of
worker_connections should be reduced to a number that is safe with the
OS default.
** Affects: nginx (Ubuntu)
Importance: Undecided
Status: New
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default settings are dangerous
https://bugs.launchpad.net/bugs/673366
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