[squid-users] squid restart

[Amos Jeffries]

On 1/11/20 12:02 am, Vieri wrote:
> Hi,
> 
> Around every hour or so, the Squid proxy client experience comes to a crawl.
> It takes a very long time to load a simple web page.

...

> 
> I guess the reason could be for this:
> 
>          Maximum number of file descriptors:   4096
>          Largest file desc currently in use:   4009
>          Number of file desc currently in use: 3997
> 

Yes, that looks like it.


> However, I set the following directive in squid.conf:
> 
> max_filedescriptors 65536
> 

Are you using systemd, SysV or another init ?

systemd default limits has this as a known issue for initial startup.


> It doesn't seem to be honored here unless I stop and restart the squid service again (/etc/init.d/squid restart from command line):
> 
> File descriptor usage for squid:
>          Maximum number of file descriptors:   65535
> 
> It seems that if I run the same command (/etc/init.d/squid restart) from crontab, that ulimit is not honored. I guess that's the root cause of my issue because I am asking cron to restart Squid once daily. I'll try not to, but I was hoping to see if there was a reliable way to fully restart the Squid process.
> 
> Vieri
> 

The init system restart command is the preferred one - it handles any 
system details that need updating. Alternatively, "squid -k restart" can 
be used.


Amos