Mercurial > prosody-modules
view mod_presence_dedup/README.markdown @ 5173:460f78654864
mod_muc_rtbl: also filter messages
This was a bit tricky because we don't want to run the JIDs
through SHA256 on each message. Took a while to come up with this
simple plan of just caching the SHA256 of the JIDs on the
occupants.
This will leave some dirt in the occupants after unloading the
module, but that should be ok; once they cycle the room, the
hashes will be gone.
This is direly needed, otherwise, there is a tight race between
the moderation activities and the actors joining the room.
| author | Jonas Schäfer <jonas@wielicki.name> |
|---|---|
| date | Tue, 21 Feb 2023 21:37:27 +0100 |
| parents | ea6b5321db50 |
| children |
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--- summary: Presence deduplication module labels: - 'Stage-Alpha' ... This module tries to squash incoming identical presence stanzas to save some bandwidth at the cost of increased memory use. Configuration ============= Option Type Default ------------------------------ -------- --------- presence\_dedup\_cache\_size number `100` The only setting controls how many presence stanzas *per session* are kept in memory for comparing with incoming presenece. Requires Prosody 0.10 or later.