Re: squid 5.1 gone stable

[Matthias Fischer <matthias.fischer@ipfire.org>]

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Hi,

On 16.08.2021 11:40, Michael Tremer wrote:
...
>> What makes me wonder: during build, 'squid' says it can open '32768',
>> during start its '4096'. If someone knows why, please enlighten me... ;-)
> 4096 is the default maximum number of files any process can open at the same.
> 
> This is to protect the system from going crazy by having too many open files (because I think the file descriptor table used to be of a static size in older versions of the kernel).
> 
>>> I suppose this is enough and I can live with 32k. We should remove the field from the UI then.
>> Me too, but are 4096 enough?
> No. I don’t know why the squid team isn’t handling this better. We are hitting this problem every time we update to a new version.
> 
> I suppose this is fine for testing.
> 
> You can try adding “ulimit -n 32768” to the squid init script and then it should be able to open up to 32k files.
...

Thanks for the clarification - I tested this with 'squid 5.1'. It seems
to work:

...
case "1$" in
	start)
	ulimit -n 32768
	getpids "squid"
...

For my 'cache_peer' problem I opened a bug report
(https://bugs.squid-cache.org/show_bug.cgi?id=5147). Work in progress.

Best,
Matthias