20480+0 records in
20480+0 records out
21474836480 bytes (21 GB) copied, 398.035 s, 54.0 MB/s
real = 398.23, user = 0.01, sys = 17.36, 4% cpu
20480+0 records in
20480+0 records out
21474836480 bytes (21 GB) copied, 731.276 s, 29.4 MB/s
real = 731.47, user = 0.01, sys = 17.14, 2% cpu
20480+0 records in
20480+0 records out
21474836480 bytes (21 GB) copied, 859.243 s, 25.0 MB/s
real = 859.35, user = 0.01, sys = 14.51, 1% cpu