On Sat, Sep 6, 2014 at 2:25 AM, Ori Livneh <ori(a)wikimedia.org> wrote:
In November of last year, Aaron noticed a spike in
memcached traffic,
which we were eventually able to attribute to Wikibase client fetching the
SiteList on every request. When Katie fixed it, outbound memcached traffic
nearly halved.
We're now back to the same rate of outbound traffic as then, and the
culprit appears to be the same key.
See:
http://i.imgur.com/v9ebld6.png
Tracked in
https://bugzilla.wikimedia.org/show_bug.cgi?id=56602
I can see two reasons for this:
1) the "other projects" sidebar beta feature, which we have realized needs
improvement in how / where things are cached.
https://gerrit.wikimedia.org/r/#/c/157500/ - plan to backport on Monday
https://gerrit.wikimedia.org/r/#/c/158381/ - perhaps can wait (?) until
next regular scheduled deployment of wikibase, not this week but following
week
2) the way badges are handled in the sidebar. This doesn't look like as
simple of a fix but looking at options for this and sure we can find a
solution.
Cheers,
Katie
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Katie Filbert
Wikidata Developer
Wikimedia Germany e.V. | Tempelhofer Ufer 23-24, 10963 Berlin
Phone (030) 219 158 26-0
http://wikimedia.de
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Berlin, tax number 27/681/51985.
