Alessandro,
You might want to consider tracking your Slurm scheduler diagnostics output
with some type of time-series monitoring system. The time-based history has
proven more helpful at times than log contents by themselves.
See Giovanni Torres' post on setting this up...
http://giovannitorres.me/graphing-sdiag-with-graphite.html
-- Trevor
> On Jan 15, 2018, at 4:33 AM, Alessandro Federico <a.feder...@cineca.it> wrote:
>
> Hi John
>
> thanks for the info.
> slurmctld doesn't report anything about the server thread count in the logs
> and sdiag show only 3 server threads.
>
> We changed the MessageTimeout value to 20.
>
> I'll let you know if it solves the problem.
>
> Thanks
> ale
>
> ----- Original Message -----
>> From: "John DeSantis" <desan...@usf.edu>
>> To: "Alessandro Federico" <a.feder...@cineca.it>
>> Cc: slurm-users@lists.schedmd.com, "Isabella Baccarelli"
>> <i.baccare...@cineca.it>, hpc-sysmgt-i...@cineca.it
>> Sent: Friday, January 12, 2018 7:58:38 PM
>> Subject: Re: [slurm-users] slurm 17.11.2: Socket timed out on send/recv
>> operation
>>
>> Ciao Alessandro,
>>
>>> Do we have to apply any particular setting to avoid incurring the
>>> problem?
>>
>> What is your "MessageTimeout" value in slurm.conf? If it's at the
>> default of 10, try changing it to 20.
>>
>> I'd also check and see if the slurmctld log is reporting anything
>> pertaining to the server thread count being over its limit.
>>
>> HTH,
>> John DeSantis
>>
>> On Fri, 12 Jan 2018 11:32:57 +0100
>> Alessandro Federico <a.feder...@cineca.it> wrote:
>>
>>> Hi all,
>>>
>>>
>>> we are setting up SLURM 17.11.2 on a small test cluster of about
>>> 100
>>> nodes. Sometimes we get the error in the subject when running any
>>> SLURM command (e.g. sinfo, squeue, scontrol reconf, etc...)
>>>
>>>
>>> Do we have to apply any particular setting to avoid incurring the
>>> problem?
>>>
>>>
>>> We found this bug report
>>> https://bugs.schedmd.com/show_bug.cgi?id=4002 but it regards the
>>> previous SLURM version and we do not set debug3 on slurmctld.
>>>
>>>
>>> thanks in advance
>>> ale
>>>
>>
>>
>
> --
> Alessandro Federico
> HPC System Management Group
> System & Technology Department
> CINECA www.cineca.it
> Via dei Tizii 6, 00185 Rome - Italy
> phone: +39 06 44486708
>
> All work and no play makes Jack a dull boy.
> All work and no play makes Jack a dull boy.
> All work and no play makes Jack...
>
