If you have a site or maybe an web app, speed is vital. The speedier your web site loads and also the speedier your applications work, the better for everyone. Since a web site is simply a number of data files that connect with each other, the systems that keep and work with these data files play a vital role in website general performance.
Hard disks, or HDDs, have been, right up until the past few years, the most trustworthy devices for keeping information. However, lately solid–state drives, or SSDs, have been gathering popularity. Look at our evaluation chart to find out whether HDDs or SSDs are more appropriate for you.
1. Access Time
Due to a revolutionary new method of disk drive functionality, SSD drives enable for much quicker data access speeds. With an SSD, file access times are far lower (as small as 0.1 millisecond).
The technology powering HDD drives goes all the way to 1954. And while it has been considerably processed over time, it’s even now no match for the ground breaking ideas powering SSD drives. With today’s HDD drives, the top data access rate you are able to reach can vary somewhere between 5 and 8 milliseconds.
2. Random I/O Performance
The random I/O performance is extremely important for the overall performance of any data storage device. We have conducted in depth exams and have determined an SSD can handle at the very least 6000 IO’s per second.
During the same tests, the HDD drives proved to be considerably slower, with only 400 IO operations addressed per second. Even though this may appear to be a significant number, if you have an overloaded web server that contains many well–liked sites, a sluggish hard drive may lead to slow–loading web sites.
SSD drives are made to have as fewer rotating components as possible. They utilize a comparable technology like the one employed in flash drives and are also much more efficient than conventional HDD drives.
SSDs have an normal failing rate of 0.5%.
For the HDD drive to function, it should rotate 2 metallic hard disks at a minimum of 7200 rpm, retaining them magnetically stabilized in the air. There is a many moving elements, motors, magnets along with other gadgets stuffed in a tiny place. Therefore it’s no surprise the normal rate of failing of any HDD drive ranges among 2% and 5%.
4. Energy Conservation
SSDs lack moving parts and need little or no chilling power. Additionally they call for not much energy to function – tests have revealed they can be operated by a common AA battery.
As a whole, SSDs consume amongst 2 and 5 watts.
HDD drives are renowned for being loud. They need more energy for cooling down reasons. Within a server which has a lot of HDDs running consistently, you’ll need a lot of fans to keep them cooler – this makes them far less energy–efficient than SSD drives.
HDDs take in between 6 and 15 watts.
5. CPU Power
The swifter the file access speed is, the quicker the file demands can be treated. Consequently the CPU will not have to reserve allocations waiting around for the SSD to answer back.
The standard I/O wait for SSD drives is barely 1%.
As compared with SSDs, HDDs allow for not so quick data access speeds. The CPU will be required to lose time waiting for the HDD to send back the required file, saving its resources in the meanwhile.
The regular I/O wait for HDD drives is around 7%.
6.Input/Output Request Times
In the real world, SSDs conduct as admirably as they did throughout the checks. We ran a complete system data backup on one of the production web servers. Over the backup procedure, the standard service time for any I/O demands was under 20 ms.
With the exact same server, however this time loaded with HDDs, the end results were very different. The average service time for an I/O request fluctuated between 400 and 500 ms.
7. Backup Rates
A different real–life advancement will be the rate at which the backup is produced. With SSDs, a hosting server back up currently requires under 6 hours by using our hosting server–enhanced software.
In the past, we’ve got worked with mostly HDD drives on our web servers and we’re knowledgeable of their overall performance. On a hosting server pre–loaded with HDD drives, an entire server backup normally takes around 20 to 24 hours.
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