Instrument these so we can see where they're occurring and if they're necessary.
|Open||None||T128228 Improve how transactions work for board moves|
|Open||aaron||T88445 MediaWiki active/active datacenter investigation and work (tracking)|
|Resolved||SBisson||T120009 Flow: Use WAN cache delete() and slave populations to avoid merge()|
|Resolved||SBisson||T120008 Remove in-process Memcached wrapper or find an appropriate solution for cross-DC world|
|Open||None||T120007 Add debug/warn for cache reads from in-process Memcached cache wrapper|
The issue this is trying to prevent (reading from the cache on POST) is still a possible problem. It would either return null/empty, or trigger a cache population from master, neither of which are intended.
However, in practice I haven't yet hit any weirdness with the patch.