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The wlcg-wn-env-{pbs,torque} packages consists of a set of scripts to set up |
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the $JOBFEATURES file. This file is generated by the the prologue.user script |
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and contains the following information: |
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jobstart=<job start time> |
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cpu_limit=<maximum CPU limit available, in seconds> |
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wall_limit=<maximum walltime limit available, in seconds> |
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A job can calculate the remaining wall time doing |
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now() - $jobstart + $wall_limit |
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The purpose of each of the files in this packages is: |
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- prologue.user : set up the $JOBFEATURES file |
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- epilogue.user : clean up the $JOBFEATURES file |
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- wlcg-wn-env.conf : configuration file |
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- wlcg-wn-env.sh : set the environment variable JOBFEATURES |
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The wlcg-wn-env.conf can be used to change the default location of the |
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$JOBFEATURES file. If this config file is missing the scripts default to |
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${TMPDIR:-/tmp}/jobfeatures.${PBS_JOBID} |
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There is no wlcg-wn-env.csh script as the JOBFEATURES environment variable |
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is inherited by from the PBS wrapper scripts, which are bash-based. |
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The only difference between the wlcg-wn-env-pbs and wlcg-wn-env-torque packages |
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is the location of the 'mom_priv' directory. For older version of the PBS/Torque |
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client (up to v2.3) the mom_priv directory was found under |
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/var/spool/pbs/mom_priv |
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With the EPEL packaged version of the Torque 2.5 client this was changed to |
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/var/torque/mom_priv. |
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|
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-- |
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Jan Just Keijser - janjust@nikhef.nl |
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Nikhef |
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Amsterdam |
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