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Dumps failed delivery October dumps (frwiki, wikidata), pausing dumps generation
by ahoelzl＠wikimedia.org 15 Nov '24

15 Nov '24

Greetings XML Dump users, TL;DR: We are pausing the XML Dumps effective from now to correct runtime errors that we suspect are causing bad data dumps. We are working on a fix. Longer: Over the past couple months, we have noticed a growing amount of runtime errors coming from the process that generate the XML content Dumps. It has always been the case that this process may have transient issues and may miss some revisions some months, but the current situation has become such a recurring problem that we now suspect data corruption in recent dumps. We typically start a full dump (i.e. all revisions for all pages) on the 1st of the month for all wikis, and then we start a partial dump (i.e all current revisions for all pages) on the 20th of the month. Most of the October 1 2024 full runs are complete, except the French wiki and Wikidata wiki, which have failed for this month. The last successful copies of the French and Wikidata wikis are from September. All of the partial runs for the 20th of November are complete as well. However, any of these recent dumps may have underlying data quality issues. In the interest of not dumping potentially bad data, we have decided to pause the XML Dumps, effective for all future dumps from the date of this communication, until we find and fix the root cause of these errors. We acknowledge that many folks and downstream processes will be impacted and apologize for any inconvenience that this may cause you. We are prioritizing this work, and if interested, you can follow updates at https://phabricator.wikimedia.org/T377594. Feel free to open additional tickets if your use cases are affected, and do please link them to the main ticket. Further, if you have the ability, we welcome data quality analysis of recent dumps that you may have noticed in your use cases.

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XML Dumps FAQ monthly update
by noreply.xmldatadumps＠wikimedia.org 29 Oct '24

29 Oct '24

Greetings XML Dump users and contributors! This is your automatic monthly Dumps FAQ update email. This update contains figures for the 20241001 full revision history content run. We are currently dumping 1006 projects in total. --------------------- Stats for bewiktionary on date 20241001 Total size of page content dump files for articles, current content only: 16,301,465 Total size of page content dump files for all pages, current content only: 17,378,260 Total size of page content dump files for all pages, all revisions: 109,221,230 --------------------- Stats for enwiki on date 20241001 Total size of page content dump files for articles, current content only: 104,233,480,802 Total size of page content dump files for all pages, current content only: 214,815,867,775 Total size of page content dump files for all pages, all revisions: 29,647,340,985,733 --------------------- Sincerely, Your friendly Wikimedia Dump Info Collector

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XML Dumps FAQ monthly update
by noreply.xmldatadumps＠wikimedia.org 29 Sep '24

29 Sep '24

Greetings XML Dump users and contributors! This is your automatic monthly Dumps FAQ update email. This update contains figures for the 20240901 full revision history content run. We are currently dumping 999 projects in total. --------------------- Stats for rwwiki on date 20240901 Total size of page content dump files for articles, current content only: 45,709,422 Total size of page content dump files for all pages, current content only: 48,929,791 Total size of page content dump files for all pages, all revisions: 575,109,772 --------------------- Stats for enwiki on date 20240901 Total size of page content dump files for articles, current content only: 103,620,371,971 Total size of page content dump files for all pages, current content only: 214,059,219,507 Total size of page content dump files for all pages, all revisions: 29,462,194,175,181 --------------------- Sincerely, Your friendly Wikimedia Dump Info Collector

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Seeding XML dumps on Academic Torrents
by Will Beason 09 Sep '24

09 Sep '24

Hey, I'm maintaining some torrents for the past couple months of Wikipedia monthly XML dumps on Academic Torrents in this collection <https://academictorrents.com/collection/english-wikipedia>. I'm currently doing time-series research on Wikipedia so I'll be maintaining the collection for at least the next couple years as I work on my dissertation for my PhD (and do related work). -- Will Beason (he/him) PhD Student in Information Studies University of Texas at Austin beason(a)utexas.edu willbeason.com

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XML Dumps FAQ monthly update
by noreply.xmldatadumps＠wikimedia.org 29 Aug '24

29 Aug '24

Greetings XML Dump users and contributors! This is your automatic monthly Dumps FAQ update email. This update contains figures for the 20240801 full revision history content run. We are currently dumping 994 projects in total. --------------------- Stats for hywikibooks on date 20240801 Total size of page content dump files for articles, current content only: 2,975,648 Total size of page content dump files for all pages, current content only: 4,155,230 Total size of page content dump files for all pages, all revisions: 97,729,331 --------------------- Stats for enwiki on date 20240801 Total size of page content dump files for articles, current content only: 103,090,295,026 Total size of page content dump files for all pages, current content only: 213,140,153,970 Total size of page content dump files for all pages, all revisions: 29,287,015,922,315 --------------------- Sincerely, Your friendly Wikimedia Dump Info Collector

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XML Dumps FAQ monthly update
by noreply.xmldatadumps＠wikimedia.org 29 Jul '24

29 Jul '24

Greetings XML Dump users and contributors! This is your automatic monthly Dumps FAQ update email. This update contains figures for the 20240701 full revision history content run. We are currently dumping 993 projects in total. --------------------- Stats for yowiktionary on date 20240701 Total size of page content dump files for articles, current content only: 515,878 Total size of page content dump files for all pages, current content only: 595,182 Total size of page content dump files for all pages, all revisions: 685,677 --------------------- Stats for enwiki on date 20240701 Total size of page content dump files for articles, current content only: 102,557,302,337 Total size of page content dump files for all pages, current content only: 212,187,264,815 Total size of page content dump files for all pages, all revisions: 29,112,412,667,891 --------------------- Sincerely, Your friendly Wikimedia Dump Info Collector

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XML Dumps FAQ monthly update
by noreply.xmldatadumps＠wikimedia.org 29 Jun '24

29 Jun '24

Greetings XML Dump users and contributors! This is your automatic monthly Dumps FAQ update email. This update contains figures for the 20240601 full revision history content run. We are currently dumping 991 projects in total. --------------------- Stats for kawiktionary on date 20240601 Total size of page content dump files for articles, current content only: 52,079,883 Total size of page content dump files for all pages, current content only: 55,753,024 Total size of page content dump files for all pages, all revisions: 415,227,440 --------------------- Stats for enwiki on date 20240601 Total size of page content dump files for articles, current content only: 102,189,100,980 Total size of page content dump files for all pages, current content only: 211,455,859,206 Total size of page content dump files for all pages, all revisions: 28,978,618,857,960 --------------------- Sincerely, Your friendly Wikimedia Dump Info Collector

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Empty text elements in dump dewiki-20240520-pages-articles.xml
by Sven Hartrumpf 19 Jun '24

19 Jun '24

Hello. The dump dewiki-20240520-pages-articles.xml contains many (96069 for ns 0) empty articles. The first one is for <id>15</id>, the last one for <id>13102212</id> For ns=0, this is a new phenomenon (introduced after 2024-03-01). For all articles, the number of affected articles grew a lot: # grep -c ' <text bytes="[0-9]*" />' dewiki-20240520-pages-articles.xml 101259 # grep -c ' <text bytes="[0-9]*" />' dewiki-20240301-pages-articles.xml 129 Greetings Sven

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Fwd: (Possible breaking change) XML pages-articles dumps bug with missing revision text for some records; fix in progress with schema change
by Adam Baso 01 Jun '24

01 Jun '24

Cross-post. ---------- Forwarded message --------- From: Adam Baso <abaso(a)wikimedia.org> Date: Fri, May 31, 2024 at 4:05 PM Subject: (Possible breaking change) XML pages-articles dumps bug with missing revision text for some records; fix in progress with schema change To: Wikimedia developers <wikitech-l(a)lists.wikimedia.org> As described on Phabricator a bug [1] surfaced whereby the "pages-articles" XML dumps on https://dumps.wikimedia.org/ bear incomplete records. A possible fix has been identified, and it involves bumping the dump schema version from version 0.10 to version 0.11 [2], which could be a breaking change for some. MORE DETAILS: Due to the bug that surfaced, a nontrivial number of <text> nodes representing article text shows in a fashion like so as empty. <text bytes="123456789" /> A potential fix in T365155 [3] has been identified. Assuming further testing looks good, XML dumps will be kicked off again starting next week in order to restore the missing records as soon as possible. It will take a while for new dumps to be generated as it is a compute intensive operation. More progress will be reported at T365155 and new dumps will eventually show up on dumps.wikimedia.org . Although a number of pipelines may not notice the change associated with the schema bump, if your dump ingestion tooling or use of Special:Export relies on the specific shape of the XML at version 0.10 (e.g., because of code generation tools), please examine the differences between version 0.10 and version 0.11. One notable addition in version 0.11 is addition of MCR [4] fields. Thank you for your patience while this issue is resolved. -Adam [1] https://phabricator.wikimedia.org/T365501 [2] https://www.mediawiki.org/xml/export-0.10.xsd and https://www.mediawiki.org/xml/export-0.11.xsd Schema version 0.11 has existed in MediaWiki for over 6 years, but Wikimedia wikis have been using version 0.10. [3] https://phabricator.wikimedia.org/T365155#9851025 and https://phabricator.wikimedia.org/T365155#9851160 [4] https://www.mediawiki.org/wiki/Multi-Content_Revisions

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XML Dumps FAQ monthly update
by noreply.xmldatadumps＠wikimedia.org 29 May '24

29 May '24

Greetings XML Dump users and contributors! This is your automatic monthly Dumps FAQ update email. This update contains figures for the 20240501 full revision history content run. We are currently dumping 989 projects in total. --------------------- Stats for huwiktionary on date 20240501 Total size of page content dump files for articles, current content only: 538,644,717 Total size of page content dump files for all pages, current content only: 761,139,853 Total size of page content dump files for all pages, all revisions: 4,623,785,423 --------------------- Stats for enwiki on date 20240501 Total size of page content dump files for articles, current content only: 99,831,963,975 Total size of page content dump files for all pages, current content only: 205,958,848,730 Total size of page content dump files for all pages, all revisions: 28,701,652,484,981 --------------------- Sincerely, Your friendly Wikimedia Dump Info Collector

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