It might be useful to display the amount of database lag on certain special
pages such as watchlist and contributions. When the slave databases are behind,
people might feel better about a notice like
"Edits in the last 15 seconds may not yet appear on this list."
than just having things be missing.
Version: 1.10.x
Severity: enhancement
URL: http://en.wikipedia.org/wiki/Special:Watchlist