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Performance optimization: We can avoid fetching rooms that the user has left themselves (which could be a significant amount), then only add back rooms that the user has `newly_left` (left in the token range of an incremental sync). It's a lot faster to fetch less rooms than fetch them all and throw them away in most cases. Since the user only leaves a room (or is state reset out) once in a blue moon, we can avoid a lot of work. Based on @erikjohnston's branch, erikj/ss_perf --------- Co-authored-by: Erik Johnston <erik@matrix.org>
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2 lines
47 B
Plaintext
More efficiently fetch rooms for Sliding Sync.
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