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onedr0p/read_write_speed.md

Created November 17, 2018 01:45
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Hard Disk Performance
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read_write_speed.md

Write

dd if=/dev/zero of=./largefile bs=1M count=1024

Clear memory cache

sudo sh -c "sync && echo 3 > /proc/sys/vm/drop_caches"

Read

dd if=./largefile of=/dev/null bs=4k
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