QA before s2_doi insert, changelog #2307409 
seeing about 4500 TPS in QA postgres; low CPU load: fair amount of disk I/O
should bump to ~16 or more parallelism in prod

    1.24M 0:18:07 [1.14k/s]
    [...]
    NOT checking GROBID status column
    Counter({'total': 41786, 'insert': 37519, 'skip-extid-not-found': 3167, 'skip': 3167, 'exists': 1100, 'skip-update-disabled': 20, 'update': 0})

That's a pretty high DOI not found rate! may want to revisit these imports again in the future

    1771.00user 72.13system 18:59.09elapsed 161%CPU (0avgtext+0avgdata 53044maxresident)k
    1528inputs+365496outputs (1major+270771minor)pagefaults 0swaps

    bnewbold@wbgrp-svc500$ zcat s2_doi.json.gz | wc -l
    1240389

got a single 400 error in a single thread at:

    re = self.api.lookup_release(**{self.extid_type: extid})

doi lookup was: 10.4244/

final changelog: #2316439
would expect about 451500 new files, a fraction of the 1.2 million
did GNU parallel bail early?

## Tried again with silly patch

    worked that time
    NOT checking GROBID status column
    Counter({'total': 103489, 'insert': 55521, 'exists': 40023, 'skip': 7945, 'skip-extid-not-found': 7944, 'skip-update-disabled': 40, 'skip-extid-invalid': 1, 'update': 0})
    4322.79user 166.90system 40:21.69elapsed 185%CPU (0avgtext+0avgdata 48576maxresident)k
    21432inputs+883888outputs (136major+283424minor)pagefaults 0swaps