Created
August 11, 2013 14:48
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ディスクのキャッシュをクリアする（但し、実際にはクリアされているという実感が無い）Ubuntu 12.04LTS
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| sync | |
| sysctl -w vm.drop_caches=1 | |
| sysctl -w vm.drop_caches=2 | |
| sysctl -w vm.drop_caches=3 | |
| hdparm -f /dev/vda |
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