At present, pretty much all brand new laptops or computers come with SSD drives in lieu of HDD drives. You’ll find superlatives to them everywhere in the specialised press – that they are faster and conduct far better and they are the future of home computer and laptop production.
On the other hand, how do SSDs fare in the web hosting community? Are they reliable enough to replace the verified HDDs? At Cold Bear Hosting, we will help you far better comprehend the dissimilarities among an SSD and an HDD and decide which one best fits you needs.
1. Access Time
A result of a revolutionary new approach to disk drive general performance, SSD drives allow for much quicker data access rates. With an SSD, data file access times are much lower (only 0.1 millisecond).
The concept driving HDD drives dates back to 1954. And even while it’s been substantially enhanced throughout the years, it’s even now no match for the ingenious technology behind SSD drives. Using today’s HDD drives, the highest file access speed you’ll be able to attain varies in between 5 and 8 milliseconds.
2. Random I/O Performance
Because of the very same revolutionary solution that allows for better access times, also you can enjoy much better I/O efficiency with SSD drives. They will accomplish twice as many operations within a specific time compared to an HDD drive.
An SSD can manage at least 6000 IO’s per second.
During the very same lab tests, the HDD drives proved to be significantly slower, with 400 IO operations handled per second. While this may appear to be a large number, for people with a busy server that contains many popular websites, a sluggish hard disk could lead to slow–loading sites.
SSD drives are created to have as less rotating components as feasible. They use a comparable concept like the one found in flash drives and are also much more dependable in comparison to classic HDD drives.
SSDs have an average failing rate of 0.5%.
For an HDD drive to function, it must spin a couple metallic hard disks at more than 7200 rpm, retaining them magnetically stabilized in mid–air. There is a number of moving parts, motors, magnets along with other devices crammed in a small space. Consequently it’s obvious why the average rate of failing of an HDD drive ranges among 2% and 5%.
4. Energy Conservation
SSD drives are far smaller compared to HDD drives and also they do not have virtually any moving parts whatsoever. This means that they don’t generate just as much heat and require significantly less energy to operate and much less energy for chilling reasons.
SSDs consume somewhere between 2 and 5 watts.
From the moment they have been designed, HDDs were always very energy–hungry equipment. When you’ve got a hosting server with lots of HDD drives, this tends to raise the regular electric bill.
On average, HDDs consume somewhere between 6 and 15 watts.
5. CPU Power
Because of SSD drives’ higher I/O efficiency, the main server CPU will be able to work with data queries more rapidly and conserve time for different functions.
The normal I/O delay for SSD drives is just 1%.
HDD drives allow for sluggish access speeds in comparison with SSDs do, which will result for the CPU having to delay, whilst reserving allocations for the HDD to uncover and give back the demanded data file.
The average I/O delay for HDD drives is around 7%.
6.Input/Output Request Times
It’s about time for a few real–world illustrations. We, at Cold Bear Hosting, ran a detailed platform backup on a web server only using SSDs for data storage purposes. In that operation, the average service time for an I/O call remained below 20 ms.
During the very same tests using the same web server, this time around equipped out with HDDs, overall performance was substantially slow. During the web server back–up procedure, the average service time for any I/O calls fluctuated somewhere between 400 and 500 ms.
7. Backup Rates
You can notice the real–world potential benefits to having SSD drives daily. For example, on a web server equipped with SSD drives, a complete backup will take only 6 hours.
On the flip side, on a web server with HDD drives, the same backup might take three to four times as long to finish. An entire back up of an HDD–equipped server usually takes 20 to 24 hours.
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