JC: How do you know how many nodes for a job?
JP: Only Joe knows and I suggested to Joe we shoudl provide guidelines
JC: Any profiling done for CPU & memory use?
Joe has done some of that
https://docs.google.com/document/d/1f8rT3TovmIBgQ5TA0xK6ItzGHMp-zG8jj2dU-OL2Sxg/edit
https://github.com/LSSTDESC/TXPipe/blob/master/examples/cosmodc2/pipeline_redmagic.yml
How to know things are working:
Looking for files like psfmap, jackknife profile