[GE users] Accounting file shows submit time later than start.

reuti reuti at staff.uni-marburg.de
Mon Mar 29 13:17:46 BST 2010


Hi,

Am 29.03.2010 um 03:08 schrieb griznog:

> I'm trying to graph pending times for jobs using the accounting file
> by startime - submittime and am seeing a lot of jobs that have a
> submit time after the start time. For example:
> 
> jbh at tin ~ $ qacct -j 135506 | grep time
> qsub_time    Sun Mar 28 17:21:36 2010
> start_time   Sun Mar 28 14:55:42 2010
> end_time     Sun Mar 28 15:38:45 2010
> ru_utime     5856.339
> ru_stime     931.161

which of these times are the correct ones?

You can export TZ on the command line and set it to GMT+2 or GMT-5 or so and the output of qacct will change accordingly. Neverthless it should be consistent.


> I've looked at the submission hosts and they all have the correct time
> to within a few seconds, as do the compute nodes and qmaster and all
> are in the same time zone. Am I reading the accounting file wrong? I'm
> assuming that the fields are in the same order as the accounting
> manpage and am using this to calculate the pending time with field 10
> as starttime and field 9 as submit time:
> 
> awk -F ":" '{ print $10-$9 }' accounting

Hence you got a negative value here?

-- Reuti


> 
> Can someone clear up for me exactly where these times come from and if
> it's possible to calculate the pending time this way or if there is a
> better method I can use?
> 
> Thanks,
> 
> jbh
> 
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