For many years there seemed to be only one trustworthy way for you to store info on a pc – using a disk drive (HDD). On the other hand, this kind of technology is actually expressing it’s age – hard disk drives are noisy and slow; they are power–ravenous and frequently generate lots of heat throughout serious procedures.
SSD drives, on the contrary, are extremely fast, use up far less energy and tend to be much cooler. They offer a whole new approach to file access and storage and are years in front of HDDs with regard to file read/write speed, I/O performance and also power efficacy. Find out how HDDs fare up against the more recent SSD drives.
1. Access Time
A result of a revolutionary new method to disk drive operation, SSD drives permit for faster file accessibility rates. Having an SSD, data file access times are much lower (just 0.1 millisecond).
HDD drives still make use of the very same fundamental data file access concept that’s originally developed in the 1950s. Despite the fact that it has been considerably upgraded consequently, it’s sluggish in comparison with what SSDs will offer. HDD drives’ data access rate varies somewhere between 5 and 8 milliseconds.
2. Random I/O Performance
As a result of the completely new revolutionary file storage technique embraced by SSDs, they give you speedier file access speeds and better random I/O performance.
All through Gmail LK’s lab tests, all of the SSDs revealed their capacity to handle at least 6000 IO’s per second.
Over the exact same trials, the HDD drives turned out to be considerably slower, with only 400 IO operations handled per second. While this feels like a good deal, for those who have a hectic web server that hosts a lot of well–liked web sites, a slow hard disk can cause slow–loading web sites.
SSD drives are meant to have as less moving parts as possible. They utilize an identical concept like the one found in flash drives and are also significantly more trustworthy compared with traditional HDD drives.
SSDs offer an common failing rate of 0.5%.
HDD drives use spinning hard disks for keeping and reading files – a technology dating back to the 1950s. With hard disks magnetically suspended in mid–air, spinning at 7200 rpm, the chances of something failing are considerably higher.
The standard rate of failure of HDD drives ranges among 2% and 5%.
4. Energy Conservation
SSD drives operate almost noiselessly; they don’t create excessive heat; they don’t demand extra cooling down options as well as take in significantly less electricity.
Trials have shown that the average electricity intake of an SSD drive is somewhere between 2 and 5 watts.
HDD drives are notorious for becoming loud; they are more prone to getting hot and whenever you have several hard drives in one web server, you must have a different cooling device exclusively for them.
As a whole, HDDs take in in between 6 and 15 watts.
5. CPU Power
SSD drives support speedier data file access rates, that, subsequently, enable the processor to complete data queries much faster and to go back to other responsibilities.
The average I/O wait for SSD drives is simply 1%.
Compared with SSDs, HDDs enable reduced data file access rates. The CPU will be required to wait around for the HDD to send back the required data, saving its resources while waiting.
The average I/O wait for HDD drives is about 7%.
6.Input/Output Request Times
The bulk of Gmail LK’s completely new servers moved to only SSD drives. All of our tests have revealed that with an SSD, the normal service time for any I/O request whilst running a backup stays below 20 ms.
Throughout the very same tests using the same server, this time around equipped out using HDDs, effectiveness was considerably sluggish. During the hosting server data backup procedure, the regular service time for I/O requests fluctuated between 400 and 500 ms.
7. Backup Rates
An additional real–life advancement will be the speed at which the back–up is produced. With SSDs, a server backup currently requires only 6 hours by using our server–optimized software solutions.
We worked with HDDs exclusively for a few years and we have got decent understanding of exactly how an HDD functions. Creating a backup for a hosting server designed with HDD drives can take about 20 to 24 hours.
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