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Test the disk I/O of your VPS
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What a honor to be in your screen
LowEndSpirit UK VPS:
From my servers running KVM:
/test# bash bench.sh
CPU model : QEMU Virtual CPU version 1.4.0
Number of cores : 2
CPU frequency : 2266.744 MHz
Total amount of ram : 3954 MB
Total amount of swap : 4091 MB
System uptime : 36 days, 6:05,
Download speed : (10,1MB/s)
I/O speed : 371MB/s
root@vm1-web-dev:/test# bash bench.sh
CPU model : QEMU Virtual CPU version 1.4.0
Number of cores : 2
CPU frequency : 2266.744 MHz
Total amount of ram : 3954 MB
Total amount of swap : 4091 MB
System uptime : 36 days, 6:05,
Download speed : (10,1MB/s)
I/O speed : 835MB/s
@finlandvps - that's with no load....right :-) ?
@asterisk14 - the server has load at 1.22 currently where the kvm instance is running, but the KVM didn't have much load.
Just being curious, what is the acceptable lowest disk i/o for the leb server? Lets say 20MB/s -25MB/s... do you guys think its still acceptable?
Thanks..
If your IO is that low something has to be wrong.
I find it usable at 30, somewhat problematic (lags) below 20 and trash below 15.
That being said, it is a long time since i saw such low numbers, most recently had the host1free VS some 6 months ago that was about 30 and was pretty cool, i didnt feel any lag on it.
At home I have a CF instead of hard disk on a via c7 I use as a router with more VMs on and that is below 5, but works well as router, only you can feel it lagging when you login and it does not do much IO otherwise.
I think anything below 100 is unacceptable. I don't buy unless it's ssd cached or better now xD
I think 50 MB/s or above is reasonable. It all depends what you plan to use it for.
Cloudstra 512MB Ram Package 10GB HDD 3TB B/W
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, 35.3712 s, 30.4 MB/s
Hosthatch 1024MB Ram Package 10GB SSD 2TB Bandwidth
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, 0.92516 s, 1.2 GB/s
Host1free 128MB Ram 10GB HDD
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, 72.9611 s, 14.7 MB/s
Hudson Valley Host 128MB Ram 10GB HDD 200GB Bandwidth Yearly
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, 8.80803 s, 122 MB/s
Bitaccel 2GB Ram 95GB HDD 2TB Bandwidth
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, 8.04369 s, 133 MB/s
Iniz 3GB Ram 50GB SSD Cached 1TB Bandwidth
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, 1.26075 s, 852 MB/s
Balticserver 8GB Ram 1x2TB HDD Hybrid Server
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, 10.2422 s, 105 MB/s
Digitalocean 512MB Ram 1TB Bandwidth
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, 3.98822 s, 269 MB/s
EaseVps 4GB Ram 180GB HDD 2TB Bandwidth
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, 25.0472 s, 42.9 MB/s
Namecheap 3GB Ram 90GB HDD 700GB Bandwidth
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, 7.25102 s, 148 MB/s
thank you
Fliphost 75GB Storage:
OpenVZ.IO (Iniz) 3GB:
Ok... thanks all for the opinion...
XSNL.NET VPS @ 4GB RAM on my dedicated server.
[root@vps1 ~]# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records gelezen
16384+0 records geschreven
1073741824 bytes (1,1 GB) gekopieerd, 14,5555 s, 73,8 MB/s
ChicagoVPS (1 GB SSD-Pure) -- Los Angeles (Quadranet):
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 0.785968 s, 1.4 GB/s
EaseVPS:
Use hdparm to check your hard disk
root@web:~# 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, 1.31563 s, 816 MB/s
That's so bad.
100MB/s? Curious to know what applications/services that you are running on the VMs...
I've just noticed that it lags for me when it's sub 100mb/s
Do you check the iops?
@Xaki I know which node you're on and we have some RAM + CPU Upgrades + that will be done on that server either later this month or early next month, we'll also be swapping out the ssds for bigger ones which should improve the caching.
Just FYI that server can push over 1.2Gbps, hardware being the limitation.
I don't know if that is true or not, what I know is that I paid for a service and after 1 week my VPS got this disk performance .... I can't use it, is slower than a snail.
Ofc I will leave EaseVPS and I will not recommend EaseVPS to my friends and everyone I know... I can't recommend! I don't have complains about you (jacob), you are a nice guy, and always available to talk with me and to solve the problems, but this situation...
ChicagoVPS OpenVZ SSD-Pure 1024MB @ LA:
RamNode SVZ 512MB @ Seattle:
Below is from DirectSpace 512MB $15/year plan.
I received an email this morning that all customers will be upgraded to SSD next month. So I want to post here and will revisit next month, see how it's improved.
Fliphost: "SSD KVM LEB3" 2G $7/mo
BlueVM: "ZOLD - KVM2" 512MB $25/yr
BlueVM: "BLUE1 - BLUE1 - Buffalo, NY" 256MB $1/mo
500 MB/s on raid10 server
tover.net xen 256M
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, 8.95627 s, 120 MB/s
This is what it looks like with just one VPS (OpenVZ) on a dedicated server with write back cache enabled LSI MegaRAID card with 2x1TB Raid 1.
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, 5.20549 s, 206 MB/s
I am setting up a new node and just configured flashcache with a 4x1tb raid10 array and loaded up a test VM, this is the speed test from it:
[root@testcentos64 ~]# 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, 2.52026 s, 426 MB/s