Re: [vserver] Ressources limits

From: Sam Przyswa <samp_at_arial-concept.com>
Date: Wed 12 May 2010 - 11:34:01 BST
Message-ID: <4BEA8419.9070309@arial-concept.com>

Nikolay Kichukov a écrit :
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> Hi,
> did you check your pam limits for ssh login?
>
I got this:

zimbra:~# ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 16382
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) unlimited
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited

Sam.

> Sam Przyswa wrote:
>
>> Daniel Hokka Zakrisson a écrit :
>>
>>> Sam Przyswa wrote:
>>>
>>>
>>>> Nikolay Kichukov a écrit :
>>>>
>>>>
>>>>> hi,
>>>>> the correct place would be:
>>>>> /etc/vservers/<server-name>/rlimits/nofile
>>>>>
>>>>>
>>>>>
>>>> Thanks, when I check I got:
>>>>
>>>> vserver-1:~# cat /proc/virtual/40000/limit
>>>> Limit current min/max soft/hard hits
>>>> PROC: 53 0/ 112 -1/ -1 0
>>>> VM: 576741 0/ 1431259 -1/ -1 0
>>>> VML: 0 0/ 0 -1/ -1 0
>>>> RSS: 64550 0/ 96015 -1/ -1 0
>>>> ANON: 54704 0/ 83032 -1/ -1 0
>>>> RMAP: 9846 0/ 18778 -1/ -1 0
>>>> FILES: 489 0/ 662 65535/ 65535 0
>>>> OFD: 203 0/ 203 -1/ -1 0
>>>> LOCKS: 16 0/ 20 -1/ -1 0
>>>> SOCK: 19 0/ 19 -1/ -1 0
>>>> MSGQ: 0 0/ 0 -1/ -1 0
>>>> SHM: 0 0/ 0 -1/ -1 0
>>>> SEMA: 0 0/ 0 -1/ -1 0
>>>> SEMS: 0 0/ 0 -1/ -1 0
>>>> DENT: 631 0/ 722 -1/ -1 0
>>>>
>>>> But the ulimit -a give:
>>>>
>>>> zimbra:~# ulimit -a
>>>> core file size (blocks, -c) 0
>>>> data seg size (kbytes, -d) unlimited
>>>> scheduling priority (-e) 0
>>>> file size (blocks, -f) unlimited
>>>> pending signals (-i) 16382
>>>> max locked memory (kbytes, -l) 64
>>>> max memory size (kbytes, -m) unlimited
>>>> open files (-n) 1024
>>>> pipe size (512 bytes, -p) 8
>>>> POSIX message queues (bytes, -q) 819200
>>>> real-time priority (-r) 0
>>>> stack size (kbytes, -s) 8192
>>>> cpu time (seconds, -t) unlimited
>>>> max user processes (-u) unlimited
>>>> virtual memory (kbytes, -v) unlimited
>>>> file locks (-x) unlimited
>>>>
>>>> As it's limit at 1024 as well as the vserver host.
>>>>
>>>> Is it right ?
>>>>
>>>>
>>> ulimits and rlimits are not the same. rlimits apply to the entire guest,
>>> ulimits apply to the process. Change /etc/vservers/<guest>/ulimits/nofile
>>> as well to alter the ulimit value.
>>>
>>>
>> Ok but this doesn't change I always have ulimit -n 1024 but the
>> ulimits/nofile is 524288
>>
>> Curiously when connect the guest with command "vserver guest enter" the
>> ulimit -n give 524288 but if I connect by SSH on guest the ulimit -n
>> give 1024 and I can't set the ulimit by command "ulimit -n 524288" that
>> give me operation denied !?
>>
>> I use 2.6.26-2-vserver-686-bigmem on Debian squeeze/sid
>>
>> Sam.
>>
>>
Received on Wed May 12 11:34:21 2010

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