For many years there was just one single trustworthy option to keep data on your computer – with a hard drive (HDD). Nonetheless, this sort of technology is presently showing it’s age – hard disks are noisy and sluggish; they can be power–hungry and are likely to generate a great deal of heat in the course of serious operations.
SSD drives, alternatively, are swift, use up way less energy and are also much cooler. They furnish a whole new way of file access and data storage and are years ahead of HDDs when it comes to file read/write speed, I/O efficiency and also energy capability. Observe how HDDs stand up up against the modern SSD drives.
1. Access Time
After the arrival of SSD drives, data access rates have gone tremendous. Because of the brand–new electronic interfaces made use of in SSD drives, the typical data file access time has shrunk towards a all–time low of 0.1millisecond.
The concept driving HDD drives goes all the way to 1954. And although it has been drastically refined through the years, it’s even now can’t stand up to the ingenious concept powering SSD drives. Using today’s HDD drives, the very best data access rate you’ll be able to achieve varies somewhere between 5 and 8 milliseconds.
2. Random I/O Performance
Because of the very same revolutionary technique that permits for faster access times, you can also experience much better I/O efficiency with SSD drives. They are able to accomplish two times as many operations throughout a specific time as compared to an HDD drive.
An SSD can handle at the very least 6000 IO’s per second.
Throughout the very same tests, the HDD drives demonstrated that they are much slower, with 400 IO operations managed per second. Although this seems to be a large number, when you have a busy web server that hosts lots of sought after web sites, a sluggish hard disk can lead to slow–loading websites.
SSD drives are designed to have as fewer rotating elements as feasible. They use a comparable technology like the one used in flash drives and are also much more trustworthy compared with regular HDD drives.
SSDs offer an average failure rate of 0.5%.
To have an HDD drive to function, it must spin a couple metal disks at a minimum of 7200 rpm, having them magnetically stabilized in mid–air. They have a large amount of moving components, motors, magnets and other tools packed in a tiny place. Therefore it’s obvious why the regular rate of failure of the HDD drive varies in between 2% and 5%.
4. Energy Conservation
SSD drives are usually small compared to HDD drives and they don’t have any moving components whatsoever. As a result they don’t make so much heat and require considerably less energy to work and less energy for cooling reasons.
SSDs take in amongst 2 and 5 watts.
As soon as they have been constructed, HDDs have always been really energy–heavy systems. And when you’ve got a web server with a bunch of HDD drives, this can boost the regular utility bill.
Normally, HDDs consume between 6 and 15 watts.
5. CPU Power
Thanks to SSD drives’ better I/O efficiency, the main hosting server CPU can easily process data demands more quickly and save time for additional functions.
The common I/O wait for SSD drives is only 1%.
If you use an HDD, you’ll have to invest time waiting around for the results of your data file ask. As a result the CPU will stay idle for additional time, looking forward to the HDD to react.
The common I/O wait for HDD drives is about 7%.
6.Input/Output Request Times
In the real world, SSDs conduct as wonderfully as they performed throughout Hosting Websites Buy Domains.com’s lab tests. We competed a full platform back up on one of our own production machines. Through the backup procedure, the common service time for any I/O calls was in fact under 20 ms.
Throughout the very same lab tests using the same server, this time around equipped out with HDDs, general performance was noticeably slow. During the server data backup process, the normal service time for I/O demands fluctuated somewhere between 400 and 500 ms.
7. Backup Rates
An additional real–life development will be the rate at which the backup has been created. With SSDs, a web server back–up now requires under 6 hours by making use of Hosting Websites Buy Domains.com’s web server–optimized software solutions.
We employed HDDs exclusively for quite a while and we’ve decent understanding of how an HDD runs. Creating a backup for a web server equipped with HDD drives can take about 20 to 24 hours.
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