Difference: ComputingCRABLocal (4 vs. 5)

Revision 52014-12-18 - samir

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Local CRAB

This page is intended to describe how to use CRAB in T3-Higgs

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  This will ensure that we will find the right CMSSW.sh that will help us achieve faster the goal of setting the stage-out to Hadoop.
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Steps

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Options for output file destinations

You have 3 choices :

  • Use the CRAB Framework, where crab -getoutput should work. Worked in Samir's tests.
  • Use the CRAB Framework for T2 stage-out via SRM (copy_data = 1). Look at "Running jobs with SRM stage-out" section.
  • Hack the CRAB scripts to output the files directly to hadoop.

The 2 first options are standard. For the third, here's our home-grown procedure.

Local stage-out to Hadoop

Steps

  After your environment is set and the crab.cfg is configured, time to create the jobs with crab -create. This will give you a task directory :
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