Krinkle added a comment.

  I discussed it with @hoo yesterday (prior to the task being filed).
  
  I suspect it may be related to the various (indirect) APC layers 
Wikidata/Wikibase has to cache the information used by this module's getScript 
and getDefinitionSummary methods. As such, once a change was made to the 
underlying data, it took many rounds before becoming "eventually consistent" on 
the new value as various servers continued to serve the older value from cache 
when "re-computing" the module hash.
  
  The startup module is cached for approx. 5 minutes. One of the APC keys I 
spotted had an expiry of 10 minutes.

TASK DETAIL
  https://phabricator.wikimedia.org/T127275

EMAIL PREFERENCES
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To: Krinkle
Cc: hoo, Krinkle, Aklapper, Jdforrester-WMF, StudiesWorld, Izno, Wikidata-bugs, 
aude, GWicke, Mbch331



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