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Incident documentation/2018-05-22 MediaWiki

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Summary

MediaWiki issues cause by Translate extension Symptoms initially looked like db issues or network issues, then like a SWAT patch had caused the issue, but nothing seemed to line up that well.

See https://phabricator.wikimedia.org/T195293#4224220

Timeline

Patchs Merged (as part of SWAT)

  • 13:21 addshore@tin: Synchronized wmf-config/InitialiseSettings.php: SWAT: Revert: Temp rate limit for arwiki due to mass vandalism T192668 (duration: 01m 18s)
  • 13:25 addshore@tin: Synchronized wmf-config/InitialiseSettings.php: SWAT: Enable $wgUseRCPatrol on azwiki T194389 (duration: 01m 20s)

meta.wikimedia.org actions

  • 13:26, 22 May 2018 FuzzyBot (talk | contribs) changed the state of Russian translations of Privacy policy from Needs updating to In progress
  • 13:28, 22 May 2018‎ Kaganer (talk | contribs)‎ m . . (52,758 bytes) (+3)‎ . . (thank) - https://meta.wikimedia.org/w/index.php?title=Privacy_policy&diff=18066512&oldid=18063747
  • 13:29, 22 May 2018 Kaganer (talk | contribs) marked Privacy policy for translation
  • 13:32, 22 May 2018 Kaganer (talk | contribs) changed the state of Russian translations of Privacy policy from In progress to Needs updating

Issue

Reverts

  • 13:44 addshore - Started first revert
  • 13:46 addshore@tin: Synchronized wmf-config/InitialiseSettings.php: Revert Enable $wgUseRCPatrol on azwiki (duration: 01m 19s)
  • 13:47 marostegui@#wikimedia-operations: all the connection errors I am seeing are on s7
  • 13:48 addshore@#wikimedia-operations: s7 has ar wiki?
  • 13:49 marostegui@#wikimedia-operations: addshore: actually yes
  • 13:49 addshore - started second revert
  • 13:51 addshore@tin: Synchronized wmf-config/InitialiseSettings.php: Revert Revert Temp rate limit for arwiki due to mass vandalism (duration: 01m 18s)

Recovery

Conclusions

TODO

Actionables

TODO