Tim Abbott 04f1b1da66 Don't flush the UserPresence cache for a realm unless status changed. ...

Previously we had an issue that every other update_active_status
request for a particular realm would result in doing the expensive
query to compute the list of active users in that realm.  It turned
out this was because on every update_active_status request, we'd queue
an event that would have the effect of clearing the cache, even if
nobody's tatus changed.  This fixes that issue, by only clearing the
cache for a realm if someone's status actually changed (or the 60s
timeout expires).

(imported from commit d5b829fe255a31c8cecb58458738f1e72a2cf6de)

2013-06-24 14:34:51 -04:00

6.1 KiB

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