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authorErik Johnston <erikj@matrix.org>2023-11-16 15:19:35 +0000
committerGitHub <noreply@github.com>2023-11-16 15:19:35 +0000
commit3e8531d3baf205733693f9ae8b43aa0b4c82b744 (patch)
treeb4a153c96b8a2dbea1e7dfa66fa9026afa3e9dad /changelog.d/16643.misc
parentSpeed up persisting large number of outliers (#16649) (diff)
downloadsynapse-3e8531d3baf205733693f9ae8b43aa0b4c82b744.tar.xz
Speed up deleting device messages (#16643)
Keeping track of a lower bound of stream ID where we've deleted everything below makes the queries much faster. Otherwise, every time we scan for rows to delete we'd re-scan across all the rows that have previously deleted (until the next table VACUUM).
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+Speed up deleting of device messages when deleting a device.