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authorPatrick Cloke <clokep@users.noreply.github.com>2023-02-02 13:45:12 -0500
committerGitHub <noreply@github.com>2023-02-02 13:45:12 -0500
commitda05b70af5bf84825332b2ac0d63c6deda4b376f (patch)
tree7fa89726e634ecd531a0b18cc468198a590dbf47 /changelog.d/14908.misc
parentDo not calculate presence or ephemeral events when they are filtered out (#14... (diff)
downloadsynapse-da05b70af5bf84825332b2ac0d63c6deda4b376f.tar.xz
Skip unused calculations in sync handler. (#14908)
If a sync request does not need to calculate per-room entries &
is not generating presence & is not generating device list data
(e.g. during initial sync) avoid the expensive calculation of room
specific data.

This is a micro-optimisation for clients syncing simply to receive
to-device information.
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+Improve performance of `/sync` in a few situations.