ARC HTCondor Accounting

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This page explains how APEL accounting is done at the RAL Tier-1.

We include the following line in the [grid-manager] section of /etc/arc.conf:

authplugin="FINISHING timeout=60,onfailure=pass,onsuccess=pass /usr/local/bin/scaling_factors_plugin.py %S %C %I"

where scaling_factors_plugin.py is available here: https://gist.github.com/alahiff/3a427620e73b42d9282d#file-scaling_factors_plugin-py. This assumes that an attribute MachineRalScaling is added to each job automatically by HTCondor, corresponding to the scaling factor for each worker node.