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Diffstat (limited to 'sql/stats')
| -rw-r--r-- | sql/stats/2020-07-23_stats.txt | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/sql/stats/2020-07-23_stats.txt b/sql/stats/2020-07-23_stats.txt new file mode 100644 index 0000000..d1993fc --- /dev/null +++ b/sql/stats/2020-07-23_stats.txt @@ -0,0 +1,347 @@ + +Summary: + +- very many more PDFs have been grobid-ed vs. pdf_meta-ed +- about 1 million file_meta still have partial metadata (eg, no sha256) +- database size still under 0.5 TByte +- there are about a million CDX error ingest requests, and hundreds of + thousands of SPN errors which could be re-run + +## SQL Table Sizes + + SELECT + table_name, + pg_size_pretty(table_size) AS table_size, + pg_size_pretty(indexes_size) AS indexes_size, + pg_size_pretty(total_size) AS total_size + FROM ( + SELECT + table_name, + pg_table_size(table_name) AS table_size, + pg_indexes_size(table_name) AS indexes_size, + pg_total_relation_size(table_name) AS total_size + FROM ( + SELECT ('"' || table_schema || '"."' || table_name || '"') AS table_name + FROM information_schema.tables + WHERE table_schema = 'public' + ) AS all_tables + ORDER BY total_size DESC + ) AS pretty_sizes; + + + table_name | table_size | indexes_size | total_size + -------------------------------+------------+--------------+------------ + "public"."cdx" | 42 GB | 42 GB | 84 GB + "public"."ingest_request" | 34 GB | 39 GB | 73 GB + "public"."grobid_shadow" | 64 GB | 6902 MB | 71 GB + "public"."grobid" | 61 GB | 7742 MB | 69 GB + "public"."file_meta" | 32 GB | 29 GB | 61 GB + "public"."ingest_file_result" | 24 GB | 36 GB | 60 GB + "public"."shadow" | 9111 MB | 10204 MB | 19 GB + "public"."fatcat_file" | 12 GB | 6656 MB | 18 GB + "public"."pdf_meta" | 8018 MB | 1966 MB | 9984 MB + "public"."pdftrio" | 618 MB | 432 MB | 1051 MB + "public"."petabox" | 403 MB | 594 MB | 997 MB + (11 rows) + + Size: 466.91G + + +## File Metadata + +Counts and total file size: + + SELECT COUNT(*) as total_count, SUM(size_bytes) as total_size FROM file_meta; + + total_count | total_size + -------------+----------------- + 161944425 | 204,402,677,360,189 + (1 row) + + # 161.9 mil; 204 TByte + +Top mimetypes: + + SELECT mimetype, COUNT(*) FROM file_meta GROUP BY mimetype ORDER BY COUNT DESC LIMIT 10; + + mimetype | count + -------------------------------+----------- + application/pdf | 161691608 + application/octet-stream | 154348 + application/xml | 42170 + text/html | 18703 + text/plain | 15989 + application/gzip | 6484 + | 6036 + application/postscript | 4912 + application/vnd.ms-powerpoint | 1672 + application/msword | 921 + (10 rows) + +Missing full metadata: + + SELECT COUNT(*) FROM file_meta WHERE sha256hex IS NULL; + + count + --------- + 1015337 + (1 row) + +## CDX + +Total and unique-by-sha1 counts: + + SELECT COUNT(DISTINCT sha1hex) as unique_sha1, COUNT(*) as total FROM cdx; + + unique_sha1 | total + -------------+----------- + 96537611 | 116281981 + (1 row) + +mimetype counts: + + SELECT mimetype, COUNT(*) FROM cdx GROUP BY mimetype ORDER BY COUNT(*) DESC LIMIT 25; + + mimetype | count + ---------------------------------------------------+----------- + application/pdf | 108706978 + warc/revisit | 5912013 + text/xml | 519042 + application/octet-stream | 307782 + text/html | 295634 + unk | 156937 + application/postscript | 81079 + application/save | 80871 + binary/octet-stream | 61263 + text/plain | 31495 + application/x-download | 30511 + application/download | 26716 + image/pdf | 26357 + application/force-download | 10541 + multipart/form-data | 5551 + application/x-msdownload | 3724 + application/x-octetstream | 3216 + application | 3171 + .pdf | 2728 + application/x-pdf | 2563 + application/binary | 1306 + application/pdf' | 1192 + pdf | 1180 + [...] + +## GROBID + +Counts: + + SELECT COUNT(*) AS total_files, COUNT(DISTINCT fatcat_release) AS unique_releases FROM grobid; + + + total_files | unique_releases + -------------+----------------- + 95557413 | 18020570 + +Status? + + SELECT status_code, COUNT(*) FROM grobid GROUP BY status_code ORDER BY COUNT DESC LIMIT 10; + + + status_code | count + -------------+---------- + 200 | 88450610 + 500 | 7101098 + -4 | 4133 + 503 | 110 + + SELECT status, COUNT(*) FROM grobid GROUP BY ORDER BY COUNT DESC LIMIT 10; + + status | count + ----------------+---------- + success | 73814297 + | 14638412 + error | 7101308 + error-timeout | 4133 + bad-grobid-xml | 6 + (5 rows) + +What version used? + + SELECT grobid_version, COUNT(*) FROM grobid WHERE status_code = 200 GROUP BY grobid_version ORDER BY COUNT DESC LIMIT 10; + + grobid_version | count + ----------------+---------- + 0.5.5-fatcat | 73813427 + | 14638425 + +## Petabox + +Counts: + + SELECT COUNT(DISTINCT sha1hex) as unique_sha1, COUNT(*) as total FROM petabox; + + unique_sha1 | total + -------------+--------- + 2868825 | 2887834 + +## Ingests + +Requests by source: + + SELECT ingest_type, link_source, COUNT(*) FROM ingest_request GROUP BY ingest_type, link_source ORDER BY COUNT DESC LIMIT 25; + + ingest_type | link_source | count + -------------+-----------------+---------- + pdf | oai | 51185088 + pdf | mag | 35015357 + pdf | unpaywall | 27653003 + pdf | doi | 16589669 + pdf | pmc | 2231113 + pdf | arxiv | 794693 + pdf | cnki_covid19 | 2034 + pdf | wanfang_covid19 | 975 + pdf | spn | 148 + + SELECT ingest_type, link_source, ingest_request_source, COUNT(*) FROM ingest_request GROUP BY ingest_type, link_source, ingest_request_source ORDER BY COUNT DESC LIMIT 25; + + ingest_type | link_source | ingest_request_source | count + -------------+-----------------+-------------------------+---------- + pdf | oai | metha-bulk | 51185088 + pdf | mag | mag-corpus | 35015357 + pdf | unpaywall | unpaywall | 27653003 + pdf | doi | fatcat-ingest | 8320832 + pdf | doi | fatcat-changelog | 4752956 + pdf | doi | fatcat-ingest-container | 3515873 + pdf | pmc | fatcat-ingest-container | 2028825 + pdf | arxiv | fatcat-ingest | 630750 + pdf | pmc | fatcat-ingest | 194781 + pdf | arxiv | fatcat-changelog | 163924 + pdf | pmc | fatcat-changelog | 7507 + pdf | cnki_covid19 | scrape-covid19 | 2034 + pdf | wanfang_covid19 | scrape-covid19 | 975 + pdf | spn | savepapernow-web | 148 + pdf | arxiv | fatcat-ingest-container | 26 + pdf | doi | savepapernow-web | 19 + pdf | arxiv | savepapernow-web | 2 + +Uncrawled requests by source: + + # TODO: verify this? seems wrong + SELECT ingest_request.ingest_type, ingest_request.link_source, COUNT(*) + FROM ingest_request + LEFT JOIN ingest_file_result + ON ingest_request.base_url = ingest_file_result.base_url + AND ingest_request.ingest_type = ingest_file_result.ingest_type + WHERE ingest_file_result.base_url IS NULL + GROUP BY ingest_request.ingest_type, ingest_request.link_source ORDER BY COUNT DESC LIMIT 25; + + + ingest_type | link_source | count + -------------+-------------+--------- + pdf | mag | 4097008 + pdf | oai | 15287 + pdf | unpaywall | 1 + +Results by source: + + SELECT + ingest_request.ingest_type, + ingest_request.link_source, + COUNT(*) as attempts, + COUNT(CASE WHEN ingest_file_result.hit THEN 1 END) hits, + ROUND(1.0 * COUNT(CASE WHEN ingest_file_result.hit THEN 1 END) / COUNT(*), 3) as fraction + FROM ingest_request + LEFT JOIN ingest_file_result + ON ingest_request.base_url = ingest_file_result.base_url + AND ingest_request.ingest_type = ingest_file_result.ingest_type + AND ingest_file_result.ingest_type IS NOT NULL + GROUP BY ingest_request.ingest_type, ingest_request.link_source ORDER BY attempts DESC LIMIT 35; + + ingest_type | link_source | attempts | hits | fraction + -------------+-----------------+----------+----------+---------- + pdf | oai | 51185088 | 5346057 | 0.104 + pdf | mag | 35015357 | 22199271 | 0.634 + pdf | unpaywall | 27653003 | 22067338 | 0.798 + pdf | doi | 16589700 | 3207661 | 0.193 + pdf | pmc | 2231113 | 1696976 | 0.761 + pdf | arxiv | 794727 | 645607 | 0.812 + pdf | cnki_covid19 | 2034 | 0 | 0.000 + pdf | wanfang_covid19 | 975 | 764 | 0.784 + pdf | spn | 148 | 114 | 0.770 + (9 rows) + +Ingest result by status: + + SELECT ingest_type, status, COUNT(*) FROM ingest_file_result GROUP BY ingest_type, status ORDER BY COUNT DESC LIMIT 25; + + ingest_type | status | count + -------------+-------------------------------------+---------- + pdf | success | 46465271 + pdf | no-capture | 46115869 + pdf | no-pdf-link | 13877460 + pdf | redirect-loop | 5943956 + pdf | terminal-bad-status | 1962754 + pdf | link-loop | 1630078 + pdf | cdx-error | 1014409 + pdf | gateway-timeout | 459340 + pdf | wrong-mimetype | 321774 + pdf | skip-url-blocklist | 220629 + pdf | wayback-error | 220453 + pdf | spn2-cdx-lookup-failure | 143963 + pdf | null-body | 113384 + pdf | spn-error | 101773 + pdf | invalid-host-resolution | 37367 + pdf | spn-remote-error | 28886 + pdf | petabox-error | 22997 + pdf | spn2-error | 16342 + pdf | spn2-error:job-failed | 5017 + pdf | other-mimetype | 2305 + pdf | redirects-exceeded | 746 + pdf | spn2-error:soft-time-limit-exceeded | 632 + pdf | spn2-error:proxy-error | 437 + pdf | spn2-error:invalid-url-syntax | 417 + pdf | timeout | 417 + (25 rows) + +## Fatcat Files + +Count of PDF files that GROBID processed and matched to a release (via +glutton), but no PDF in `fatcat_file`: + + SELECT COUNT(*) as total_count, COUNT(DISTINCT grobid.fatcat_release) as release_count + FROM grobid + LEFT JOIN fatcat_file ON grobid.sha1hex = fatcat_file.sha1hex + WHERE fatcat_file.sha1hex IS NULL + AND grobid.fatcat_release IS NOT NULL; + + + total_count | release_count + -------------+--------------- + 5862666 | 4728824 + (1 row) + +## PDF Meta + +Total rows: + + SELECT COUNT(*) as total_count FROM pdf_meta; + + + total_count + ------------- + 21961874 + +By status: + + SELECT status, COUNT(*) from pdf_meta GROUP BY status ORDER BY COUNT(*) DESC; + + status | count + ----------------+---------- + success | 21788507 + parse-error | 78196 + text-too-large | 60595 + not-pdf | 31679 + error-wayback | 2639 + bad-unicode | 251 + bad-pdf | 6 + empty-blob | 1 + (8 rows) + |