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synapse/changelog.d/3331.feature

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Deduplicate redundant lazy-loaded members (#3331) * attempt at deduplicating lazy-loaded members as per the proposal; we can deduplicate redundant lazy-loaded members which are sent in the same sync sequence. we do this heuristically rather than requiring the client to somehow tell us which members it has chosen to cache, by instead caching the last N members sent to a client, and not sending them again. For now we hardcode N to 100. Each cache for a given (user,device) tuple is in turn cached for up to X minutes (to avoid the caches building up). For now we hardcode X to 30. * add include_redundant_members filter option & make it work * remove stale todo * add tests for _get_some_state_from_cache * incorporate review
2018-07-26 23:51:30 +02:00
add support for the include_redundant_members filter param as per MSC1227
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