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warehouses (106)
SQLite tuned first, by the criteria committed before (and, beyond them,
checkpoints each 40 MB of WAL, in its favour). On the SD card Pure stays
4.2-10.8x ahead at equal terminals, SQLite writing 8-18x the bytes a
transaction; in RAM 3.2-3.5x. All tables equal at W=1 and W=4, and
every run consistent. In RAM the one owner is the limit (0.94 of a core
at W=4, no gain from 16 to 64 terminals), a third of its busy time
copying nodes the snapshots share; checkpoints and memory are within
their criteria.
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