Re: [squid-users] Squid does not respond to TCP SYN when there are thousands of connection

From: dahanhsi <dahanhsi_at_gmail.com>
Date: Thu, 7 Mar 2013 22:25:54 +0800

hi all,
in Squid 2.7, should --with-maxfd not be necessary if I set the
max_filedescriptors?

thanks

2013/2/16 dahanhsi <dahanhsi_at_gmail.com>:
> 2013/2/15 Amm <ammdispose-squid_at_yahoo.com>:
>>
>>
>>> ulimit -n must be run as the same user that the proxy is running.
>>>
>>> In debian/ubuntu that user is proxy, and if you type ulimit as root you
>>> will get a different answer that if you type ulimit logged in as proxy user.
>>>
>>> Be sure to check the ulimit for the right user
>>
>> Or you can check current limits using:
>>
>> /proc/SQUIDPID/limits
>>
>
> Hi,
>
> I set my /etc/security/limit.conf:
> * soft nofile 655360
> * hard nofile 655360
>
> so user squid also has limit in 655360:
> # cat /proc/SQUIDPID/limits
> Limit Soft Limit Hard Limit Units
> Max cpu time unlimited unlimited seconds
> Max file size unlimited unlimited bytes
> Max data size unlimited unlimited bytes
> Max stack size 10485760 unlimited bytes
> Max core file size unlimited unlimited bytes
> Max resident set unlimited unlimited bytes
> Max processes 257742 257742 processes
> Max open files 655360 655360 files
> Max locked memory 65536 65536 bytes
> Max address space unlimited unlimited bytes
> Max file locks unlimited unlimited locks
> Max pending signals 257742 257742 signals
> Max msgqueue size 819200 819200 bytes
> Max nice priority 0 0
> Max realtime priority 0 0
> Max realtime timeout unlimited unlimited us
>
> and my fd.file-max is 655360 too:
> # cat /proc/sys/fs/file-max
> 655360
Received on Thu Mar 07 2013 - 14:26:01 MST

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