Last modified: 2014-03-22 11:35:00 UTC

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Bug 52921 - Database tables to be dropped on Wikimedia wikis (tracking)
Database tables to be dropped on Wikimedia wikis (tracking)
Status: NEW
Product: Wikimedia
Classification: Unclassified
General/Unknown (Other open bugs)
wmf-deployment
All All
: Normal normal (vote)
: ---
Assigned To: Sean Pringle
https://wikitech.wikimedia.org/wiki/D...
: tracking
Depends on: 52924 52929 52932 52934 55385 55676 57185 52927 52928 52930 52931
Blocks: tracking
  Show dependency treegraph
 
Reported: 2013-08-16 15:04 UTC by MZMcBride
Modified: 2014-03-22 11:35 UTC (History)
7 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments

Description MZMcBride 2013-08-16 15:04:32 UTC
This bug tracks obsolete or otherwise unneeded database tables on Wikimedia wikis that should be dropped.
Comment 1 Nemo 2013-08-16 21:48:34 UTC
Can we agree that these are all "enhancements"? 

(Note that we rarely drop tables, IIRC, and this often proves useful (see e.g. when we revived the LQT testing labs wiki); so the bugs MZ filed are for selected cases, if I understando correctly.)
Comment 2 Max Semenik 2013-08-16 21:56:55 UTC
(In reply to comment #1)
> (Note that we rarely drop tables, IIRC, and this often proves useful (see
> e.g.
> when we revived the LQT testing labs wiki); so the bugs MZ filed are for
> selected cases, if I understando correctly.)

povwatch_*, hashs and links are empty, while *_old and *_broken contain data so old that I don't know who might need it and what for. The only possible useful table is optin_survey.
Comment 3 MZMcBride 2013-08-16 23:58:45 UTC
(In reply to comment #1)
> Can we agree that these are all "enhancements"? 

Okay.

> (Note that we rarely drop tables, IIRC, and this often proves useful (see
> e.g. when we revived the LQT testing labs wiki); so the bugs MZ filed are for
> selected cases, if I understand correctly.)

Dropping databases is different from dropping tables. We obviously haven't dropped tables previously because a number of broken, outdated, or otherwise unneeded tables have accumulated. :-)  It's time to clean up. I'm focused solely on cases where the database tables are no longer used or needed.

(In reply to comment #2)
> povwatch_*, hashs and links are empty, while *_old and *_broken contain data
> so old that I don't know who might need it and what for.

Yes, this is true for enwiki (and possibly other databases). povwatch_* tables on testwiki contain a small amount of data, but given that it's a test wiki and that the extension is no longer installed... nobody should care.

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