On Thu, Feb 18, 2016 at 9:02 AM, Yuri Astrakhan <yastrakhan(a)wikimedia.org>
wrote:
It will be updated whenever the page containing the
template is
re-generated (e.g. the page is changed, or someone does a null-save). I
heard that every page is forcefully regenerated if its older than 30 days,
Yes, and extension tags embedded in the page can reduce that, so if the
graph has a way of knowing how long the data will be valid, it can tell
that to the parser via ParserOutput::updateCacheExpiry.
As a hacky manual workaround, you can put <div
style="display:none">{{CURRENTHOUR}}</div> into the page to force
hourly
refresh.