dd if=/dev/zero of=benchmark bs=64K count=32K conv=fdatasync 32768+0 records in 32768+0 records out 2147483648 bytes (2.1 GB) copied, 6.18267 s, 347 MB/s dd if=/dev/zero of=benchmark bs=1M count=2048 conv=fdatasync 2048+0 records in 2048+0 records out 2147483648 bytes (2.1 GB) copied, 4.90932 s, 437 MB/s
./fio --time_based --name=benchmark --size=256M --runtime=60 --randrepeat=1 --iodepth=32 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randread --blocksize=4k --group_reporting benchmark: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=32 ... fio-2.8 Starting 8 processes benchmark: Laying out IO file(s) (1 file(s) / 256MB) benchmark: Laying out IO file(s) (1 file(s) / 256MB) benchmark: Laying out IO file(s) (1 file(s) / 256MB) benchmark: Laying out IO file(s) (1 file(s) / 256MB) benchmark: Laying out IO file(s) (1 file(s) / 256MB) benchmark: Laying out IO file(s) (1 file(s) / 256MB) benchmark: Laying out IO file(s) (1 file(s) / 256MB) benchmark: Laying out IO file(s) (1 file(s) / 256MB) benchmark: (groupid=0, jobs=8): err= 0: pid=7269: Sat Apr 15 11:02:55 2017 read : io=87477MB, bw=1457.1MB/s, iops=373222, runt= 60002msec clat (usec): min=0, max=108626, avg=16.17, stdev=300.65 lat (usec): min=0, max=108627, avg=16.90, stdev=311.33 clat percentiles (usec): | 1.00th=[ 1], 5.00th=[ 1], 10.00th=[ 1], 20.00th=[ 2], | 30.00th=[ 2], 40.00th=[ 2], 50.00th=[ 2], 60.00th=[ 2], | 70.00th=[ 2], 80.00th=[ 3], 90.00th=[ 3], 95.00th=[ 3], | 99.00th=[ 266], 99.50th=[ 386], 99.90th=[ 1384], 99.95th=[ 6688], | 99.99th=[14400] bw (KB /s): min= 4261, max=585097, per=12.46%, avg=186017.35, stdev=137789.84 lat (usec) : 2=14.50%, 4=81.79%, 10=1.11%, 20=0.14%, 50=0.04% lat (usec) : 100=0.05%, 250=1.26%, 500=0.81%, 750=0.14%, 1000=0.04% lat (msec) : 2=0.04%, 4=0.02%, 10=0.02%, 20=0.04%, 50=0.01% lat (msec) : 100=0.01%, 250=0.01% cpu : usr=4.85%, sys=14.28%, ctx=558257, majf=0, minf=90 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued : total=r=22394105/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0 latency : target=0, window=0, percentile=100.00%, depth=32 Run status group 0 (all jobs): READ: io=87477MB, aggrb=1457.1MB/s, minb=1457.1MB/s, maxb=1457.1MB/s, mint=60002msec, maxt=60002msec Disk stats (read/write): sda: ios=524288/208, merge=0/596, ticks=124680/105824, in_queue=232003, util=37.86%
./fio --time_based --name=benchmark --size=256M --runtime=60 --randrepeat=1 --iodepth=32 --direct=1 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randread --blocksize=4k --group_reporting benchmark: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=32 ... fio-2.8 Starting 8 processes benchmark: (groupid=0, jobs=8): err= 0: pid=7279: Sat Apr 15 11:03:55 2017 read : io=7234.8MB, bw=123466KB/s, iops=30866, runt= 60003msec clat (usec): min=36, max=268120, avg=251.14, stdev=695.42 lat (usec): min=36, max=268120, avg=251.70, stdev=695.59 clat percentiles (usec): | 1.00th=[ 81], 5.00th=[ 105], 10.00th=[ 119], 20.00th=[ 139], | 30.00th=[ 153], 40.00th=[ 167], 50.00th=[ 183], 60.00th=[ 203], | 70.00th=[ 233], 80.00th=[ 282], 90.00th=[ 374], 95.00th=[ 506], | 99.00th=[ 1208], 99.50th=[ 1976], 99.90th=[ 4960], 99.95th=[ 7264], | 99.99th=[21632] bw (KB /s): min= 4144, max=26200, per=12.50%, avg=15428.71, stdev=3985.28 lat (usec) : 50=0.01%, 100=3.57%, 250=70.71%, 500=20.56%, 750=2.89% lat (usec) : 1000=0.92% lat (msec) : 2=0.86%, 4=0.33%, 10=0.14%, 20=0.02%, 50=0.01% lat (msec) : 100=0.01%, 500=0.01% cpu : usr=2.12%, sys=9.95%, ctx=1859698, majf=0, minf=82 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued : total=r=1852081/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0 latency : target=0, window=0, percentile=100.00%, depth=32 Run status group 0 (all jobs): READ: io=7234.8MB, aggrb=123465KB/s, minb=123465KB/s, maxb=123465KB/s, mint=60003msec, maxt=60003msec Disk stats (read/write): sda: ios=1851789/125, merge=0/78, ticks=312603/406156, in_queue=725347, util=97.06%
./fio --time_based --name=benchmark --size=256M --runtime=60 --filename=benchmark --randrepeat=1 --iodepth=32 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randwrite --blocksize=4k --group_reporting benchmark: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=32 ... fio-2.8 Starting 8 processes benchmark: (groupid=0, jobs=8): err= 0: pid=7299: Sat Apr 15 11:05:56 2017 write: io=65833MB, bw=1097.3MB/s, iops=280882, runt= 60001msec clat (usec): min=1, max=143382, avg=25.67, stdev=671.81 lat (usec): min=1, max=143382, avg=26.09, stdev=679.08 clat percentiles (usec): | 1.00th=[ 2], 5.00th=[ 3], 10.00th=[ 3], 20.00th=[ 3], | 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 4], | 70.00th=[ 5], 80.00th=[ 5], 90.00th=[ 6], 95.00th=[ 6], | 99.00th=[ 10], 99.50th=[ 16], 99.90th=[10048], 99.95th=[16512], | 99.99th=[26240] bw (KB /s): min=39986, max=248372, per=12.52%, avg=140626.72, stdev=32721.74 lat (usec) : 2=0.02%, 4=21.12%, 10=77.79%, 20=0.65%, 50=0.18% lat (usec) : 100=0.04%, 250=0.03%, 500=0.01%, 750=0.01%, 1000=0.01% lat (msec) : 2=0.01%, 4=0.02%, 10=0.03%, 20=0.07%, 50=0.03% lat (msec) : 100=0.01%, 250=0.01% cpu : usr=3.82%, sys=17.05%, ctx=78696, majf=0, minf=106 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued : total=r=0/w=16853244/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0 latency : target=0, window=0, percentile=100.00%, depth=32 Run status group 0 (all jobs): WRITE: io=65833MB, aggrb=1097.3MB/s, minb=1097.3MB/s, maxb=1097.3MB/s, mint=60001msec, maxt=60001msec Disk stats (read/write): sda: ios=0/79229, merge=0/150, ticks=0/345427, in_queue=344930, util=16.25%
./fio --time_based --name=benchmark --size=256M --runtime=60 --filename=benchmark --randrepeat=1 --iodepth=32 --direct=1 --invalidate=1 --verify=0 --verify_fatal=0 --numjobs=8 --rw=randwrite --blocksize=4k --group_reporting benchmark: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=32 ... fio-2.8 Starting 8 processes benchmark: Laying out IO file(s) (1 file(s) / 256MB) benchmark: (groupid=0, jobs=8): err= 0: pid=7289: Sat Apr 15 11:04:56 2017 write: io=1465.2MB, bw=25003KB/s, iops=6250, runt= 60003msec clat (usec): min=57, max=161017, avg=1274.07, stdev=4260.70 lat (usec): min=57, max=161017, avg=1274.62, stdev=4260.78 clat percentiles (usec): | 1.00th=[ 67], 5.00th=[ 73], 10.00th=[ 78], 20.00th=[ 87], | 30.00th=[ 95], 40.00th=[ 103], 50.00th=[ 113], 60.00th=[ 127], | 70.00th=[ 151], 80.00th=[ 221], 90.00th=[ 3952], 95.00th=[ 7520], | 99.00th=[19072], 99.50th=[25984], 99.90th=[50432], 99.95th=[60160], | 99.99th=[94720] bw (KB /s): min= 84, max= 8099, per=12.55%, avg=3138.34, stdev=1575.55 lat (usec) : 100=35.82%, 250=45.63%, 500=3.11%, 750=0.58%, 1000=0.31% lat (msec) : 2=1.13%, 4=3.54%, 10=6.61%, 20=2.38%, 50=0.79% lat (msec) : 100=0.10%, 250=0.01% cpu : usr=0.61%, sys=2.36%, ctx=764589, majf=0, minf=90 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued : total=r=0/w=375071/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0 latency : target=0, window=0, percentile=100.00%, depth=32 Run status group 0 (all jobs): WRITE: io=1465.2MB, aggrb=25003KB/s, minb=25003KB/s, maxb=25003KB/s, mint=60003msec, maxt=60003msec Disk stats (read/write): sda: ios=0/374625, merge=0/236, ticks=0/94433, in_queue=94273, util=75.08%
Downloaded 104857600 bytes in 0.890 sec Downloaded 104857600 bytes in 1.238 sec Downloaded 104857600 bytes in 0.743 sec Downloaded 104857600 bytes in 0.558 sec Downloaded 104857600 bytes in 0.501 sec Finished! Average download speed is 1017.81 Mbit/s
Retrieving speedtest.net configuration... Retrieving speedtest.net server list... Testing from Linode ... Selecting 15 servers that are not too close: 1. Proxar IT Consulting (Sevenoaks) [32.34 km]: 2.639 ms 2. O2 UK (Slough) [34.22 km]: 5.303 ms 3. Interoute VDC (Slough) [34.22 km]: 22.033 ms 4. Ai Networks Ltd (Welwyn Garden City) [38.56 km]: 159.209 ms 5. International School of London (Woking) [38.67 km]: 9.867 ms 6. Virgin Media (Basildon) [41.08 km]: 4.507 ms 7. XILO (Maidenhead) [43.29 km]: 2.735 ms 8. Iomart (Maidenhead) [43.29 km]: 3.118 ms 9. Virgin Media (Luton) [46.78 km]: 4.318 ms 10. Custodian DataCentre (Maidstone) [50.73 km]: 3.308 ms 11. VooServers Ltd (Maidstone) [50.73 km]: 3.694 ms 12. CSD Ltd (Braintree) [60.51 km]: 2.586 ms 13. Uno (Milton Keynes) [74.73 km]: 2.93 ms 14. Vodafone UK (Newbury) [85.93 km]: 3.748 ms 15. Cloud Space UK (Canterbury) [86.08 km]: 1.968 ms Testing upload speeds 1. Proxar IT Consulting (Sevenoaks): ......................... 511.33 Mbit/s 2. O2 UK (Slough): ......................... 360.40 Mbit/s 3. Interoute VDC (Slough): ......................... 109.63 Mbit/s 4. Ai Networks Ltd (Welwyn Garden City): ......................... 545.12 Mbit/s 5. International School of London (Woking): ......................... 82.68 Mbit/s 6. Virgin Media (Basildon): ......................... 138.40 Mbit/s 7. XILO (Maidenhead): ......................... 187.80 Mbit/s 8. Iomart (Maidenhead): ......................... 199.79 Mbit/s 9. Virgin Media (Luton): ......................... 336.29 Mbit/s 10. Custodian DataCentre (Maidstone): ......................... 337.15 Mbit/s 11. VooServers Ltd (Maidstone): ......................... 33.35 Mbit/s 12. CSD Ltd (Braintree): ......................... 26.24 Mbit/s 13. Uno (Milton Keynes): ......................... 172.55 Mbit/s 14. Vodafone UK (Newbury): ......................... 219.85 Mbit/s 15. Cloud Space UK (Canterbury): ......................... 327.86 Mbit/s Average upload speed is 239.23 Mbit/s