Steve Howell 4e7fce60ee Add possible_mentions() to speed up rendering. ...

We now triage message content for possible mentions before
going to the cache/DB to get name info.  This will create an
extra data hop for messages with mentions, but it will save
a fairly expensive cache lookup for most messages.  (This will
be especially helpful for large realms.)

[Note that we need a subsequent commit to actually make the speedup
happen here, since avatars also cause us to look up all users in
the realm.]

2017-09-15 01:09:08 -07:00

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