User "Reedy" posted a comment on MediaWiki.r87292.
Full URL: http://www.mediawiki.org/wiki/Special:Code/MediaWiki/87292#c17786
Commit summary:
* (bug 20468) User::invalidateCache throws 1205: Lock wait timeout exceeded
Severly limit the number of calls that actually update the database (for no
gain!). Leaving stuff that needs to update memcached
Still, there's probably quite a lot of these calls which are still superfluous
Comment:
For the stats, I've got no way of replicating this locally, so it's just a
guess based on the fact "it's being called too often".
We'd need to run some more up to date stats, push it out, and see where we get
to then post the changes
As it's only pushing an updated timestamp, it shouldn't have any negative side
effects...
And it means whether we try and update the database user_touched field
<source lang="php">
$dbw->update( 'user',
array( 'user_touched' => $dbw->timestamp(
$this->mTouched ) ),
array( 'user_id' => $this->mId ),
__METHOD__ );
</source>
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