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perf(stats): read peers from instances, update every 5 minutes

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The peers query read the nickname of every remote user every minute
(2.7 s and 1.2M buffer hits on a large instance). The instances table
now has a row for every host we know users from, so read it instead,
and recompute the stats every 5 minutes.

Based on Akkoma 138b1aea2 and 7b76fdeed.

Co-authored-by: Oneric <oneric@oneric.stub>
Co-authored-by: FloatingGhost <hannah@coffee-and-dreams.uk>
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Lain Soykaf 2026-10-27 20:49:52 +04:00
commit e8f238359f
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Read the peer list from the instances table and update instance stats every 5 minutes instead of every minute; the old peers query was one of the most expensive regular queries