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"Request: POST http://pt.wikibooks.org (...) Error: ERR_READ_TIMEOUT, errno [No Error]" when editing pages containing math formulae
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Description

As reported on wikimedia-tech yesterday, I got the following error on ptwikibooks

"Request: POST http://pt.wikibooks.org/w/index.php?title=Teoria_de_n%C3%BAmeros/Equa%C3%A7%C3%B5es_diofantinas&action=submit, from 208.80.154.133 via cp1020.eqiad.wmnet (squid/2.7.STABLE9) to 10.64.0.134 (10.64.0.134) Error: ERR_READ_TIMEOUT, errno [No Error] at Mon, 27 Feb 2012 20:46:24 GMT"
Request: POST http://pt.wikibooks.org/w/index.php?title=Teoria_de_n%C3%BAmeros/Congru%C3%AAncias&action=submit, from 208.80.154.133 via cp1018.eqiad.wmnet (squid/2.7.STABLE9) to 10.64.0.132 (10.64.0.132) Error: ERR_READ_TIMEOUT, errno [No Error] at Mon, 27 Feb 2012 20:51:34 GMT
Request: POST http://pt.wikibooks.org/w/index.php?title=C%C3%A1lculo_(Volume_1)/Limites_e_Continuidade&action=submit, from 143.107.45.213 via cp1016.eqiad.wmnet (squid/2.7.STABLE9) to 10.64.0.138 (10.64.0.138) Error: ERR_READ_TIMEOUT, errno [No Error] at Mon, 27 Feb 2012 21:02:16 GMT

after I saved edits such as these:
https://pt.wikibooks.org/?diff=prev&oldid=233853
https://pt.wikibooks.org/?diff=prev&oldid=233854
https://pt.wikibooks.org/?diff=prev&oldid=233855
https://pt.wikibooks.org/?diff=prev&oldid=233856
https://pt.wikibooks.org/?diff=prev&oldid=233859

All I was doing were simple replacements on <math> formulae using regex:
*Find: /\\,\\!\s*<\/math>/g
*Replace: </math>

Details

Reference
bz34807

Event Timeline

bzimport raised the priority of this task from to Medium.Nov 22 2014, 12:11 AM
bzimport set Reference to bz34807.
bzimport added a subscriber: Unknown Object (MLST).

Possibly ssllooww rendering from re-rendering a bunch of things at once... the pages seem to load happily enough now.

(In reply to comment #1)

Possibly ssllooww rendering from re-rendering a bunch of things at once... the
pages seem to load happily enough now.

I just got it again, when saving the edit
https://pt.wikibooks.org/w/index.php?diff=prev&oldid=233956

using a computer different from the one I used yesterday:

Request: POST http://pt.wikibooks.org/w/index.php?title=C%C3%A1lculo_(Volume_1)/T%C3%A9cnicas_de_integra%C3%A7%C3%A3o&action=submit, from 208.80.154.133 via cp1006.eqiad.wmnet (squid/2.7.STABLE9) to 10.64.0.140 (10.64.0.140)

Error: ERR_READ_TIMEOUT, errno [No Error] at Wed, 29 Feb 2012 20:31:18 GMT

(In reply to comment #1)

Possibly ssllooww rendering from re-rendering a bunch of things at once... the
pages seem to load happily enough now.

What do you get if you try and resave (with an edit) the page? From the EU it saves fine...

(In reply to comment #3)

What do you get if you try and resave (with an edit) the page? From the EU it
saves fine...

Yesterday I reverted myself and edited the same page again with no errors:
https://pt.wikibooks.org/w/index.php?title=C%C3%A1lculo_(Volume_1)/Limites_e_Continuidade&diff=prev&oldid=233862
https://pt.wikibooks.org/w/index.php?title=C%C3%A1lculo_(Volume_1)/Limites_e_Continuidade&diff=prev&oldid=233863

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From 2012.