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On guts and I/O schedulers
Benchmarks and guts sometimes may contradict each other. Like, a benchmark tells that “performance difference is not big”, but guts do tell otherwise (something like “OH YEAH URGHH”). I was wondering...
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I/O schedulers seriously revisited
The I/O scheduler problems have drawn my attention, and besides trusting empirical results, I tried to do more of benchmarking and analysis, why the heck strange things happen at Linux block layer. So,...
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on io scheduling again
Most of database engines have to deal with underlying layers – operating systems, device drivers, firmware and physical devices, albeit different camps choose different methods. In MySQL world people...
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