Thanks Ben and Reuti,
I think (and I was reading up more on this after sending my initial
email) that using prologs and epilogs will actually do exactly what I'm
after - it's not so much specific job cleanup, as sending messages for
job start/finish, which needs to happen on absolutely everything.
One question I did have about prolog/epilog scripts was how they deal
with exit codes... The prolog script would, on the whole, exit with a
code of 0, but how about the epilog? If the main job script exits with,
say, 99, will the epilog run, and should that also return 99, or will
Grid see the job script's 99 exit code, and still reschedule, even
though the epilog script returns 0?
Hugh Macdonald
*n**vizible**– **VISUAL EFFECTS*
[email protected] <mailto:[email protected]>
+44(0) 20 3167 3860
+44(0) 7773 764 708
www.nvizible.com <http://www.nvizible.com/>
On 31/01/12 23:27, Reuti wrote:
Am 31.01.2012 um 23:10 schrieb Ben De Luca:
http://gridscheduler.sourceforge.net/htmlman/htmlman5/queue_conf.html
terminate_method
This will be used in case you issue `qdel`.
Not for a normal termination.
-- Reuti
looks like it might be simplest.
On Tue, Jan 31, 2012 at 9:51 PM, Ben De Luca<[email protected]> wrote:
Strangely im pondering this issue at the moment. If a python process
is killed any process started with subprocess does not die.
The two methods im following,
1. a reaper, the grid job starts a python process (parent) that starts
two other jobs, the task, and the reaper.
A. The task is the process I want to run.
B. The reaper, sits waiting to see if the parent python process
disappears, if it does it cleans up process A.
When Parent sees A finishes normally it kills B.
If Parent is killed B kills A.
2. I think an epilog can be run to clean up.
On Tue, Jan 31, 2012 at 8:00 PM, Hugh Macdonald
<[email protected]> wrote:
Hi,
I've got a python script here that is run through Grid. When I requeue the
job, I want to catch the signal in the script, to do a bit of cleanup before
exiting. I don't seem to be able to catch the signal, making me assume that
it's SIGKILL that is being sent. Am I right in this assumption, and, if so,
is there any way to change it to SIGTERM?
Thanks
Hugh Macdonald
nvizible – VISUAL EFFECTS
[email protected]
+44(0) 20 3167 3860
+44(0) 7773 764 708
www.nvizible.com
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