[tor-relays] Failing because we have 4063 connections already // Number of file descriptors

[r1610091651]

On Fri, 15 Dec 2017, 11:13 r1610091651, <r1610091651 at telenet.be> wrote:

> That depends on how tor is started and have different origins. What i know:
> * if started by systemd: the limit can be specified in the service
> descripton file /lib/systemd/system/tor at default.service: =>
> LimitNOFILE=xxxx
> * if started by init: usually pam/security will be applied => using
> limits.conf and propagated by pam: /etc/pam.d/common-*
>
> There are probably also other paths.
>
> Regards
>
> On Fri, 15 Dec 2017 at 11:03 Ralph Seichter <m16+tor at monksofcool.net>
> wrote:
>
>> On 15.12.2017 10:45, r1610091651 wrote:
>>
>> > could be that your tuning is not being picked up by the distro.
>>
>> Looks like you are right:
>>
>>   # cat /proc/3534/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         8388608    unlimited   bytes
>>   Max core file size     0          unlimited   bytes
>>   Max resident set       unlimited  unlimited   bytes
>>   Max processes          3969       3969        processes
>>   Max open files         4096       4096        files
>>   Max locked memory      65536      65536       bytes
>>   Max address space      unlimited  unlimited   bytes
>>   Max file locks         unlimited  unlimited   locks
>>   Max pending signals    3969       3969        signals
>>   Max msgqueue size      819200     819200      bytes
>>   Max nice priority      0          0
>>   Max realtime priority  0          0
>>   Max realtime timeout   unlimited  unlimited   us
>>
>> Only 4096 open files max. I did not expect that, because of
>>
>>   tor $ ulimit -n
>>   65535
>>   tor $ cat /proc/sys/fs/file-max
>>   101300
>>
>> What part of the system's configuration could cause the 4096 open files
>> limit, overriding the 65535 I specified in limits.conf?
>>
>> -Ralph
>> _______________________________________________
>> tor-relays mailing list
>> tor-relays at lists.torproject.org
>> https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
>
>
Short term you can modify limits on running process with prlimit
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