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psftw/gist:94e3cafb425ceff11802

Created August 13, 2014 02:50
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gistfile1.sh-session
[root@dockbeast ~]# dd if=/dev/zero of=2G bs=1M count=2K conv=fsync
2048+0 records in
2048+0 records out
2147483648 bytes (2.1 GB) copied, 2.75216 s, 780 MB/s
[root@dockbeast ~]# sync && echo 3 > /proc/sys/vm/drop_caches
[root@dockbeast ~]# dd if=2G of=/dev/null bs=1M
2048+0 records in
2048+0 records out
2147483648 bytes (2.1 GB) copied, 2.43674 s, 881 MB/s
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