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MatrixSynapse/changelog.d/16643.misc

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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).
2023-11-16 16:19:35 +01:00
Speed up deleting of device messages when deleting a device.