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SSD benchmarking
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SSD benchmarking

`time sh -c "dd if=/dev/zero of=ddfile bs=8k count=250000 && sync"; rm ddfile
250000+0 records in
250000+0 records out
2048000000 bytes (2.0 GB) copied, 6.90635 s, 297 MB/s

sudo hdparm -t /dev/xvda1
/dev/xvda1:
Timing buffered disk reads: 1936 MB in 3.00 seconds = 644.88 MB/sec

sudo hdparm -T /dev/xvda1
/dev/xvda1:
Timing cached reads: 12524 MB in 1.98 seconds = 6309.47 MB/sec`

What is your opinion about this SSD VPS ? Is this of good, average or bad? First time setting up a SSD VPS.

Comments

  • RIYADRIYAD Member, Provider

    Its seems pretty good IO

    are you using any Raid ?

    DeployNode - 1GB Ram , 20GB Storage , 1xCPU , 1TB BW ,Price :$1/month !
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  • Its a SSD VPS from Prometeus, I am not sure whether they have RAID for SSD VPSs too..

  • good speed

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  • RIYADRIYAD Member, Provider
    edited November 2015

    We have SSD VPS (4xCPU) (Raid 10) in Netherlands location with

    With below out put :

    [[email protected] ~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
    16384+0 records in
    16384+0 records out
    1073741824 bytes (1.1 GB) copied, 1.16633 s, 921 MB/s

    [[email protected] ~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
    16384+0 records in
    16384+0 records out
    1073741824 bytes (1.1 GB) copied, 1.90758 s, 563 MB/s

    We also have SSD VPS (4xCPU) (Raid 0) in Germany Location :

    [[email protected] ~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
    16384+0 records in
    16384+0 records out
    1073741824 bytes (1.1 GB) copied, 3.97486 s, 270 MB/s

    [[email protected] ~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
    16384+0 records in
    16384+0 records out
    1073741824 bytes (1.1 GB) copied, 3.66742 s, 293 MB/s

    DeployNode - 1GB Ram , 20GB Storage , 1xCPU , 1TB BW ,Price :$1/month !
    Host4Fun KVM VPS in : SG,NYC,SEA,LA,UK,NL,PHX,ASH,ATL,NY,NC,DAL,MIA,CHI,OR,RS,DE,FR,PL,RO,CA (21+ Locations!).

  • OnSebastianOnSebastian Member, Provider
    edited November 2015

    Here some tests done on one of our VPS. The VPS is running on a full utilized host system (so this is the "real" performance, not from a special benchmarking system):

    //edit: additional information :-)
    The host system is running an Intel Xeon E5-1620v3 CPU with DDR4 RAM and ZFS RAID10 (4x SSD Disks). The "test" VPS is one of our VPS Tiny with 512MB RAM and 1 CPU Core.

    [email protected]:~# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
    16384+0 records in
    16384+0 records out
    1073741824 bytes (1.1 GB) copied, 0.835736 s, 1.3 GB/s
    [email protected]:~# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
    16384+0 records in
    16384+0 records out
    1073741824 bytes (1.1 GB) copied, 0.927066 s, 1.2 GB/s
    
    [email protected]:~# time sh -c "dd if=/dev/zero of=ddfile bs=8k count=250000 && sync"
    250000+0 records in
    250000+0 records out
    2048000000 bytes (2.0 GB) copied, 1.7667 s, 1.2 GB/s
    
    real    0m1.850s
    user    0m0.024s
    sys     0m1.220s
    [email protected]:~# time sh -c "dd if=/dev/zero of=ddfile bs=8k count=250000 && sync"
    250000+0 records in
    250000+0 records out
    2048000000 bytes (2.0 GB) copied, 1.57872 s, 1.3 GB/s
    
    real    0m1.682s
    user    0m0.020s
    sys     0m1.252s
    
    [email protected]:~# hdparm -t /dev/vda1 /dev/vda1
    
    /dev/vda1:
     Timing buffered disk reads: 1658 MB in  3.00 seconds = 552.07 MB/sec
    
    /dev/vda1:
     Timing buffered disk reads: 1658 MB in  3.00 seconds = 552.10 MB/sec
    [email protected]:~# hdparm -T /dev/vda1 /dev/vda1
    
    /dev/vda1:
     Timing cached reads:   22728 MB in  2.00 seconds = 11372.76 MB/sec
    
    /dev/vda1:
     Timing cached reads:   22372 MB in  2.00 seconds = 11194.75 MB/sec
    

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  • @OnVirt

    Good speed, But the pricing in your web is not much convincing enough to move from my xenpower.com 100GB SSD vps from @prometeus :) I have more than 40GB of data.

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