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-
-Approximately 18 million file entities have only partial file metadata. All
-have a sha1 (hex), but many are missing file size, md5, mimetype, etc.
-
-At least a few thousand of these are additionally *not* `application/pdf`
-mimetype based on actually retrieving the file and sniffing the file type.
-These are added earlier to the catalog likely based on CDX mimetype, which is
-server-reported and can be incorrect.
-
-## QA Testing
-
-    ./fatcat_import.py --editgroup-description-override "backfill of full file-level metadata for early-imported papers" file-meta -
-    => Counter({'total': 1000, 'update': 1000, 'skip': 0, 'insert': 0, 'exists': 0})
-
-    # Identical command, verifying that don't double-insert:
-    => Counter({'total': 1000, 'skip-existing-complete': 1000, 'skip': 0, 'insert': 0, 'update': 0, 'exists': 0})
-
-Two additional file-level cleanups should probably be done at the same time:
-
-Partial wayback URL timestamps, for cases where we have the full timestamped URL. Eg:
-
-    https://web.archive.org/web/2017/http://www.geoamazonia.net/index.php/revista/article/download/51/pdf_38
-    https://web.archive.org/web/20170922010835/http://www.geoamazonia.net/index.php/revista/article/download/51/pdf_38
-    https://qa.fatcat.wiki/file/4udmm4zd4bgfhnaaycqoztgfgm
-    https://qa.fatcat.wiki/file/k73il3k5hzemtnkqa5qyorg6ci
-    https://qa.fatcat.wiki/file/7hstlrabfjb6vgyph7ntqtpkne
-
-Live-web URLs identical except for http/https flip or other trivial things (much less frequent case):
-
-    http://eo1.gsfc.nasa.gov/new/validationReport/Technology/JoeCD/asner_etal_PNAS_20041.pdf
-    https://eo1.gsfc.nasa.gov/new/validationReport/Technology/JoeCD/asner_etal_PNAS_20041.pdf
-
-    http://homepages.math.uic.edu/~rosendal/PapersWebsite/BanachMinimalExamples.pdf
-    http://homepages.math.uic.edu:80/~rosendal/PapersWebsite/BanachMinimalExamples.pdf
-    https://qa.fatcat.wiki/file/h2wx6re5fjhx7c6duifzskeo6u
-    https://qa.fatcat.wiki/file/vw7divmjwveftn4djj2cp32n4i
-
-Which bot to use? Let's do `sandcrawler-bot`.
-
-Trying a larger batch to see what database size increase is going to look like,
-and whether single-threaded is going to be too slow:
-
-    # before: Size:  517.87G
-
-    time zcat /srv/fatcat/datasets/fatcat_file_partial.file_meta.json.gz | head -n500000 | pv -l | ./fatcat_import.py --editgroup-description-override "backfill of full file-level metadata for early-imported papers" file-meta -
-    => 145m18.615s
-
-    # after: 518.47G
-    # delta: 600 MB
-
-A million records would take about 5 hours, so 100 hours total, or 4 days. Let's do parallelism.
-
-Total size increase estimated as 24 GBytes. It all adds up!
-
-    time zcat /srv/fatcat/datasets/fatcat_file_partial.file_meta.json.gz | tail -n500000 | pv -l | parallel -j8 --round-robin --pipe -q ./fatcat_import.py --editgroup-description-override 'backfill of full file-level metadata for early-imported papers' file-meta -
-    => real    32m53.935s
-
-## Production Import
-
-Before Size: 624.63G
-
-    export FATCAT_API_AUTH_TOKEN... # sandcrawler-bot
-
-    # start small
-    time zcat /srv/fatcat/datasets/fatcat_file_partial.file_meta.json.gz | pv -l | head -n1000 | parallel -j8 --round-robin --pipe -q ./fatcat_import.py --editgroup-description-override 'backfill of full file-level metadata for early-imported papers' file-meta -
-
-    # full batch
-    time zcat /srv/fatcat/datasets/fatcat_file_partial.file_meta.json.gz | pv -l | parallel -j8 --round-robin --pipe -q ./fatcat_import.py --editgroup-description-override 'backfill of full file-level metadata for early-imported papers' file-meta -
-
-    => 18.1M 20:53:32 [ 241 /s]
-
-    Counter({'total': 2234159, 'update': 2234111, 'skip-existing-complete': 48, 'skip': 0, 'insert': 0, 'exists': 0})
-    (etc, 8x)
-
-After Size: 653.69G (+29GB or so)