Re: [Condor-users] How to make condor suspend jobs partially

["Frédéric Bastien" <nouiz@xxxxxxxxx>]

Thanks for the information, now I understand why the last solution worked.

Frédéric Bastien

On Fri, Oct 24, 2008 at 5:17 PM, Dan Bradley <dan@xxxxxxxxxxxx> wrote:
>
>
> Condor has several different methods of tracking which processes belong
> to a job.  One is to check for a special environment variable.
>
> --Dan
>
> Frédéric Bastien wrote:
>> Hi,
>>
>> it is essancial to keep the same ticket as the only way to generate a
>> new one is to have the user enter their password...
>>
>> In addition to detaching the process we deleted all environment
>> variable for condor and now it work... I don'u understand why
>> detaching the process alone don't work, but now it work. So yes it is
>> possible to detach a process and remove it from the group.
>>
>> thanks for your time
>>
>> Frederic Bastien
>>
>> On Fri, Oct 24, 2008 at 1:59 PM, Andy Anderson <aanderson@xxxxxxxxxxx> wrote:
>>
>>> I assume that Condor is sending the SIGSTOP to the entire process
>>> group, which includes your original job and any children it forks. I
>>> don't think you can remove a child from the process group (but I'm not
>>> an expert).
>>>
>>> Is it essential that you keep the same kerberos ticket, as opposed to
>>> authenticating again and using a new ticket?
>>>
>>> -- Andy
>>>
>>> On Oct 24, 2008, at 1:49 PM, Frédéric Bastien wrote:
>>>
>>>
>>>> Hi,
>>>>
>>>> This will work only if it is suspended for less then 8h as we need to
>>>> renew the ticket before 8 hours or we will lose the ticket. But it
>>>> should help if their is not a work around. How condor know with
>>>> process to suspend? Maybe we could tell him to don't suspend process
>>>> from this executable?
>>>>
>>>> thnks
>>>>
>>>> Frédéric Bastien
>>>>
>>>> On Fri, Oct 24, 2008 at 1:16 PM, Andy Anderson
>>>> <aanderson@xxxxxxxxxxx> wrote:
>>>>
>>>>> When your jobs resume, I believe they will receive SIGCONT, so
>>>>> perhaps
>>>>> they could catch that and reestablish their authentication before
>>>>> proceeding?
>>>>>
>>>>> -- Andy
>>>>>
>>>>> On Oct 24, 2008, at 11:46 AM, Frédéric Bastien wrote:
>>>>>
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> My jobs launch a daemon that is detached. This demon do very few
>>>>>> work
>>>>>> and will quit by itself if my jobs finish. But when condor suspend
>>>>>> my
>>>>>> jobs it also suspend this demon. It is important for us that it
>>>>>> don't
>>>>>> suspend the daemon. Condor send the SIGSTOP signal, but we can't
>>>>>> catch
>>>>>> it. We detached the demon from the jobs, but it don't work. How
>>>>>> can we
>>>>>> do it?
>>>>>>
>>>>>> This demon is needed to renew the kerberos ticket of the jobs.
>>>>>>
>>>>>> thanks for your time
>>>>>>
>>>>>> Frédéric Bastien
>>>>>>
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