[torqueusers] can I add to the walltime of a running job?

[Peter Wyckoff]

I want the ability to change the walltime of a running job in
torque/maui so as to extend its time --- i.e., kind like a renew of the
job's lease.

is that possible?

I could use qalter -l walltime=newtime+same_resources but qalter is not
defined for a job already running.

thanks,
-- pete

[Glen Beane]

Post by Peter Wyckoff
I want the ability to change the walltime of a running job in
torque/maui so as to extend its time --- i.e., kind like a renew of the
job's lease.
is that possible?
I could use qalter -l walltime=newtime+same_resources but qalter is not
defined for a job already running.

qalter allows you to change some things while a job is running. It
will allow you to set a shorter walltime. If you set a longer
walltime, it will look like it was changed but it will be ignored. If
it allowed someone to increase the walltime it would have a big
potential for abuse. I suppose only allowing operators and managers
to increase the walltime might not be a bad thing.

[David B Jackson]

Peter,

Moab/TORQUE does this (via 'mjobctl -m walltime+=X <JOBID>') so I know
the TORQUE supports this at some level. However, I do not believe Maui
supports this. You may need to restart Maui after making the change
within TORQUE.

I will try to find out how what we do within Moab to make this work and
report back.

Thanks,
Dave

Post by Peter Wyckoff
I want the ability to change the walltime of a running job in
torque/maui so as to extend its time --- i.e., kind like a renew of the
job's lease.
is that possible?
I could use qalter -l walltime=newtime+same_resources but qalter is not
defined for a job already running.
thanks,
-- pete
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[Glen Beane]

I just did some testing, and it looks like if you are a manager or
admin you can increase the walltime (at least on linux) using qalter
-l. If you are a regular user this should get rejected.

[Garrick Staples]

Post by Glen Beane
I just did some testing, and it looks like if you are a manager or
admin you can increase the walltime (at least on linux) using qalter
-l. If you are a regular user this should get rejected.

Sorry I'm late here. I've been doing this routinely for years with
TORQUE/Maui.

Users sometimes ask me to extend walltimes and it has never been an
issue.

[Peter Wyckoff]

What if I want them to be able to do it?? Is there a way other than
making them all operators, which would be pretty unpleasant and painful.

thanks, pete

Post by Garrick Staples

Post by Glen Beane
I just did some testing, and it looks like if you are a manager or
admin you can increase the walltime (at least on linux) using qalter
-l. If you are a regular user this should get rejected.

Sorry I'm late here. I've been doing this routinely for years with
TORQUE/Maui.
Users sometimes ask me to extend walltimes and it has never been an
issue.
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