JALC bulk edit notes from 2020-03-23

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+
+2019-10-01 JaLC metadata snapshot: <https://archive.org/download/jalc-bulk-metadata-2019>
+
+Extracted .rdf file instead of piping it through zcat.
+
+Use correct bot:
+
+    export FATCAT_AUTH_WORKER_JALC=blah
+
+Start small; do a random bunch (10k) single-threaded to pre-create containers:
+
+    head -n100 /srv/fatcat/datasets/JALC-LOD-20191001.rdf | ./fatcat_import.py --batch-size 100 jalc - /srv/fatcat/datasets/ISSN-to-ISSN-L.txt
+    shuf -n100 /srv/fatcat/datasets/JALC-LOD-20191001.rdf | ./fatcat_import.py --batch-size 100 jalc - /srv/fatcat/datasets/ISSN-to-ISSN-L.txt
+    shuf -n10000 /srv/fatcat/datasets/JALC-LOD-20191001.rdf | ./fatcat_import.py --batch-size 100 jalc - /srv/fatcat/datasets/ISSN-to-ISSN-L.txt
+
+Seemed like lots of individual containers getting added after repeating, so
+just going to import single-threaded to avoid duplicate container creation:
+
+    cat /srv/fatcat/datasets/JALC-LOD-20191001.rdf | ./fatcat_import.py --batch-size 100 jalc - /srv/fatcat/datasets/ISSN-to-ISSN-L.txt
+    => Counter({'total': 8419745, 'exists': 6480683, 'insert': 1934082, 'skip': 4980, 'inserted.container': 134, 'update': 0})
+
+Had a bit fewer than 4,568,120 "doi_registrar:jalc" releases before this
+import, 6,502,202 after (based on `doi_registrar:jalc` query).