Difference: HistoMergingProd (2 vs. 3)

Revision 32017-04-13 - MarcoCorvo

Line: 1 to 1
 
META TOPICPARENT name="LHCbComputing"
Production to merge histograms are slightly different from normal data processing ones. There are two different type of input files to consider: BRUNELHIST and DAVINCIHIST, so in the Input Data section of the request, it must be selected both file types.

  • Screenshot of the Histo Merging request:
    HistoMerge.PNG
Changed:
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The template to choose is everyThingElse_run.py. Type Merge as production to be launched, GroupSize must be equal to 999999, as we create one single merged file per run. Output Data Storage Element must be CERN-HIST-EOS. The plugin name must be ByRunSizeWithFlushRootMerging and the removeInputs flag must be set to True in order to delete the unmerged files.
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The template to choose is everyThingElse_run.py. Type HistoMerge as production to be launched, GroupSize must be equal to 999999, as we create one single merged file per run. Output Data Storage Element must be CERN-HIST-EOS. The plugin name must be ByRunSizeWithFlushRootMerging and the removeInputs flag must be set to True in order to delete the unmerged files.
 

-- MarcoCorvo - 2016-10-19

 
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