The available expert options can change at any time. Currently the following are supported:

Option

Meaning

SKIMMER_VERSION

Sets the skimmer back-end version (e.g. SKIMMER_VERSION=v6r3p1)

ROOTSYS

Sets the version of root to use

N_PARALLEL

Sets the number of parallel jobs to run

MAX_PARALLEL

Overrides the maximum number of parallel jobs to run

XNET_DEBUG

Sets the xrootd debug level by creating a .rootrc file in the batch jobs working directory

In addition setting an expert option of the form ENV_abc=def will cause the environment variable abc to be set to def in the skimmer batch jobs.