If you have a site or perhaps an web application, pace is crucial. The swifter your site performs and then the speedier your web apps function, the better for everyone. Given that a website is simply a group of data files that interact with each other, the devices that keep and work with these data files play a crucial role in site overall performance.
Hard disks, or HDDs, were, until the past several years, the most efficient products for keeping data. Then again, in recent years solid–state drives, or SSDs, have been gaining popularity. Take a look at our evaluation chart to determine whether HDDs or SSDs are more effective for you.
1. Access Time
Due to a revolutionary new solution to disk drive operation, SSD drives make it possible for faster data file access speeds. With an SSD, data accessibility instances are much lower (as small as 0.1 millisecond).
The technology powering HDD drives goes all the way to 1954. And while it’s been significantly polished over time, it’s still can’t stand up to the innovative technology driving SSD drives. Through today’s HDD drives, the top data access speed you’re able to attain can vary somewhere between 5 and 8 milliseconds.
2. Random I/O Performance
On account of the same revolutionary approach enabling for a lot faster access times, it is possible to experience much better I/O performance with SSD drives. They will conduct twice as many functions within a given time compared to an HDD drive.
An SSD can manage at the least 6000 IO’s per second.
Throughout the same lab tests, the HDD drives turned out to be considerably slower, with simply 400 IO operations managed per second. Even though this may appear to be a significant number, for those who have a hectic web server that serves plenty of well known websites, a sluggish disk drive can result in slow–loading web sites.
The lack of moving components and spinning disks in SSD drives, as well as the latest developments in electrical interface technology have resulted in a considerably risk–free file storage device, with an average failing rate of 0.5%.
Since we have already observed, HDD drives rely upon spinning hard disks. And anything that takes advantage of lots of moving components for extended time frames is susceptible to failure.
HDD drives’ common rate of failure varies somewhere between 2% and 5%.
4. Energy Conservation
SSDs lack moving parts and need little or no cooling down power. Additionally they involve not much electricity to function – tests have revealed they can be powered by a regular AA battery.
In general, SSDs consume amongst 2 and 5 watts.
As soon as they were built, HDDs have always been quite electric power–heavy products. When you have a server with several HDD drives, this will certainly raise the regular utility bill.
Normally, HDDs take in in between 6 and 15 watts.
5. CPU Power
SSD drives provide for a lot faster data file accessibility speeds, which, subsequently, encourage the processor to complete data file calls much quicker and then to go back to other duties.
The normal I/O wait for SSD drives is 1%.
By using an HDD, you will have to dedicate additional time looking forward to the results of your data file request. It means that the CPU will remain idle for extra time, looking forward to the HDD to respond.
The typical I/O wait for HDD drives is around 7%.
6.Input/Output Request Times
It’s time for several real–world examples. We ran an entire platform backup with a hosting server only using SSDs for data storage uses. In that operation, the normal service time for any I/O demand stayed under 20 ms.
Sticking with the same web server, however, this time loaded with HDDs, the effects were totally different. The regular service time for an I/O request changed somewhere between 400 and 500 ms.
7. Backup Rates
Talking about backups and SSDs – we’ve observed an effective improvement with the back–up speed since we switched to SSDs. Today, a regular web server backup will take merely 6 hours.
We utilized HDDs exclusively for quite a while and we’ve excellent familiarity with how an HDD performs. Generating a backup for a server designed with HDD drives can take about 20 to 24 hours.
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