https://bugzilla.wikimedia.org/show_bug.cgi?id=41593
Web browser: ---
Bug #: 41593
Summary: Add global to prevent writing to wb_changes database
table
Product: MediaWiki extensions
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: Unprioritized
Component: WikidataRepo
AssignedTo: wikidata-b...@lists.wikimedia.org
ReportedBy: s...@reedyboy.net
CC: wikibugs-l@lists.wikimedia.org,
wikidata-b...@lists.wikimedia.org
Classification: Unclassified
Mobile Platform: ---
The wb_changes table on wikidatawiki reached 1GB today. As this is currently
not used, it's wasted space, and truncating the table doesn't free the used
disk space (dropping and reimporting the database would be necessary). However,
truncating it will mean the space on will not grow until the tables once again
fill all that disk space.
On this note, it'd be really handy to have a global to disable/enable writing
to that table. In the current setup, this is un-needed and unused, and
according to Denny, is subject to major change soon. It does save numerous of
large insert statements to the master, saving some overhead
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