[Bug 19274] Investigate possible database problem

https://www.w3.org/Bugs/Public/show_bug.cgi?id=19274

Ryan Lane <rlane32@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |rlane32@gmail.com
         Resolution|                            |FIXED

--- Comment #1 from Ryan Lane <rlane32@gmail.com> 2012-10-04 19:10:03 UTC ---
I added a database replica and changed MediaWiki's configuration to
use a slave for reads and a master for writes. MediaWiki's
configuration for this uses a different variable; so we went from:

http://www.mediawiki.org/wiki/Manual:$wgDBserver

to:

http://www.mediawiki.org/wiki/Manual:$wgDBservers

Apparently, MediaWiki uses $wgDBserver for some other magical
settings. One of which is the default for:

http://www.mediawiki.org/wiki/Manual:$wgCachePrefix

With no prefix for the memcache keys, both test and current were
clobbering each other's keys, including the parser cache entries.

I've fixed this by explicitly setting the cache prefix, and I've also
added $wgDBserver back in, in case it was used for other magical
purposes.

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Received on Thursday, 4 October 2012 19:10:11 UTC