Manual:$wgWatchlistPurgeRate
| Recent changes, new pages, watchlist and history: $wgWatchlistPurgeRate | |
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| The per-edit rate at which expired watchlist items will be purged from the database. |
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| Introduced in version: | 1.35.0 (Gerrit change 572147; git #83804ad) |
| Removed in version: | Still in use |
| Allowed values: | 0.0–1.0 (float) |
| Default value: | 0.1 |
| Other settings: Alphabetical | By function | |
Chance of expired watchlist items being purged on any page edit.
Only has effect if $wgWatchlistExpiry is true.
If this is zero, expired watchlist items will not be removed and the purgeExpiredWatchlistItems.php maintenance script should be run periodically.