`Too many open files` ROOT error
FastFrames version
FastFrames version: nightly, commit 78e8805a
Description
Ran FastFrames using this config_ttZ.yml and this custom class (main branch, commit 693139956fb15e31bc6fdf75c2ddda8c633b2e8f)
Running on Mac OS 14.5
with ROOT 6.32.02
.
Near the end of processing, encountered this error:
SysError in <TFile::TFile>: file /Users/keesbenkendorfer/Documents/Research/ATLAS/ttZ_Boosted/data/ntuples/user.kbenkend.700791.Sh.DAOD_PHYS.e8514_s4162_r14622_p6056.TCT_2_9_2.TOPQ-2023-45.20240528-v1_output/user.kbenkend.39562813._000030.output.root can not be opened for reading Too many open files
How to reproduce
Presumably, one could run the above code on my machine. I'm not sure I can produce a MWE for this bug.
Ideas to resolve
No clue at all.