While microSD Express cards were initially very expensive — costing nearly $200 for 1TB of extra storage — prices have come down a bit for certain storage amounts. What’s more, deals occasionally drop the price of the 256GB and 512GB models below the price of some games ($35 for 256GB and $75 for 512GB are among the lowest prices we’ve seen on Amazon). The Switch 2 supports microSD Express cards up to 2TB in size, although 1TB is the largest capacity available, with some cards selling for up to $200 a pop. Walmart’s Onn model is a beacon of light even when there are no deals, as the regular cost for its 512GB model is around $84.
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Every decision sounds like choosing safety. But the end result is about 2,900x slower in this benchmark. A database’s hot path is the one place where you probably shouldn’t choose safety over performance. SQLite is not primarily fast because it is written in C. Well.. that too, but it is fast because 26 years of profiling have identified which tradeoffs matter.
mog_request_interrupt()，这一点在PDF资料中也有详细论述