datacite: resolve formatting issues in tests

2 files changed, 48 insertions, 0 deletions

diff --git a/extra/bulk_download/README.md b/extra/bulk_download/README.md
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+
+## Download Fatcat Fulltext from web.archive.org in Bulk
+
+These quick-and-dirty directions use UNIX utilities to download from the
+Internet Archive (either in the wayback machine or archive.org). To make a
+proper mirror (eg, for research or preservation use), you would want to verify
+hashes (fixity), handle additional retries, and handle files which are not
+preserved in Internet Archive, retain linkage between files and fatcat
+identifiers, etc.
+
+You can download a file entity dump from the most recent "Bulk Metadata Export"
+item from the [snapshots and exports collection](https://archive.org/details/fatcat_snapshots_and_exports?sort=-publicdate).
+
+Create a TSV file containing the SHA1 and a single URL for each file
+entity:
+
+    zcat file_export.json.gz \
+        | grep '"application/pdf"'
+        | jq -cr '.sha1 as $sha1 | .urls | map(select((.url | startswith("https://web.archive.org/web/")) or (.url | startswith("https://archive.org/download/")))) | select(. != []) | [$sha1, .[0].url] | @tsv' \
+        > fatcat_files_sha1_iaurl.tsv
+
+Then use the GNU `parallel` command to call `curl` in parallel to fetch files.
+The `-j` argument controls parallelism. Please don't create exessive load on
+Internet Archive infrastructure by downloading with too many threads. 10
+parallel threads is a decent amount of load.
+
+    cat fatcat_files_sha1_iaurl.tsv \
+        | awk '{print "curl -Lfs --write-out \"%{http_code}\\t" $1 "\\t%{url_effective}\\n\" \"" $2 "\" -o ", $1 ".pdf"}' \
+        | parallel --bar -j4 {} \
+        > fetch_status.log
+
+This will write out a status log containing the HTTP status code, expected file
+SHA1, and attempted URL. You can check for errors (and potentially try) with:
+
+    grep -v "^200" fetch_status.log
+
+Or, count status codes:
+
+    cut -f1 fetch_status.log | sort | uniq -c | sort -nr
+
diff --git a/extra/elasticsearch/sql_queries.md b/extra/elasticsearch/sql_queries.md
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+
+Top missing OA journals by `container_id`:
+
+    POST _xpack/sql?format=txt
+    {
+    "query": "SELECT container_id, count(*) from fatcat_release WHERE preservation = 'none' AND is_oa = true GROUP BY container_id ORDER BY count(*) DESC LIMIT 20"
+    }
+