root@beastie:/home/tsgan # /usr/bin/time -h dd if=/dev/zero of=/zoo/no_compress/sometestfile bs=1024 count=30000
30000+0 records in
30000+0 records out
30720000 bytes transferred in 3.815291 secs (8051810 bytes/sec)
    3.81s real        0.00s user        2.66s sys
root@beastie:/home/tsgan # /usr/bin/time -h dd if=/dev/zero of=/zoo/lz4_compress/sometestfile bs=1024 count=30000
30000+0 records in
30000+0 records out
30720000 bytes transferred in 3.425306 secs (8968542 bytes/sec)
    3.42s real        0.00s user        2.66s sys
root@beastie:/home/tsgan # /usr/bin/time -h dd if=/zoo/no_compress/sometestfile of=/dev/null bs=1024 count=30000
30000+0 records in
30000+0 records out
30720000 bytes transferred in 1.241411 secs (24746026 bytes/sec)
    1.24s real        0.01s user        0.29s sys
root@beastie:/home/tsgan # /usr/bin/time -h dd if=/zoo/lz4_compress/sometestfile of=/dev/null bs=1024 count=30000
30000+0 records in
30000+0 records out
30720000 bytes transferred in 9.664536 secs (3178632 bytes/sec)
    9.66s real        0.00s user        9.65s sys