Reco python setup times

[davidlange6]

fwiw, the cffs/cfis that take longest to import in a step3 MC job are these (the number is a time spent doing things other than importing other modules)

Validation.RecoTrack.TrackValidation_cff 462.200
DQM.TrackingMonitorSource.TrackingSourceConfig_Tier0_cff 284.100
DQMOffline.Trigger.TrackingMonitoring_cff 280.800
RecoTauTag.Configuration.HPSPFTaus_cff 203.100
JetMETCorrections.Configuration.JetCorrectorsAllAlgos_cff 190.400
Validation.RecoMuon.muonValidation_cff 138.600
CalibCalorimetry.HcalPlugins.Hcal_Conditions_forGlobalTag_cff 131.600
JetMETCorrections.Configuration.JetCorrectionServicesAllAlgos_cff 125.100
DQM.SiStripMonitorClient.SiStripSourceConfigTier0_cff 102.700
L1Trigger.L1TCaloLayer1.simCaloStage2Layer1Digis_cfi 102.400

[but the bigger fish in the python start up time are the various customize functions run it seems...]

[cmsbuild]

A new Issue was created by @davidlange6 David Lange.

@davidlange6, @Dr15Jones, @smuzaffar can you please review it and eventually sign/assign? Thanks.

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[davidlange6]

#18808

[smuzaffar]

@davidlange6 , was #18808 enough to address this issue? can we close this now?

[davidlange6]

there are recent threads about slow startup times... but this one seems old enough not to be worth following further