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by PeterZaitsev
1306 days ago
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It is not just about IO itself but all the Processing which Database (or OS) needs to do for cache management, which in OLTP cases can be very significant. If you just need few bytes from that 8K/16K page you have to read there is little way around 2 orders of magnitude difference. What we would really benefit is storage which is efficient in small (cpu cache line) size IO |
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