For years there was one reliable way for you to keep information on a pc – by using a hard disk drive (HDD). Nevertheless, this sort of technology is presently expressing its age – hard disks are really noisy and slow; they can be power–ravenous and tend to produce a lot of warmth in the course of serious procedures.
SSD drives, alternatively, are quick, use up a lot less power and are much cooler. They feature a new method of file access and data storage and are years in advance of HDDs in terms of file read/write speed, I/O performance and energy capability. Discover how HDDs fare against the newer SSD drives.
1. Access Time
Due to a radical new way of disk drive functionality, SSD drives permit for much quicker data access speeds. Having an SSD, data accessibility instances are much lower (under 0.1 millisecond).
The concept behind HDD drives dates back to 1954. Even though it has been significantly processed over the years, it’s nevertheless can’t stand up to the inventive concept powering SSD drives. Having today’s HDD drives, the very best data access speed you’ll be able to achieve varies somewhere between 5 and 8 milliseconds.
2. Random I/O Performance
Because of the exact same revolutionary strategy which enables for speedier access times, you too can take pleasure in far better I/O effectiveness with SSD drives. They’re able to carry out double as many functions during a given time when compared with an HDD drive.
An SSD can deal with at the very least 6000 IO’s per second.
All through the same tests, the HDD drives demonstrated to be significantly slower, with 400 IO operations handled per second. While this might appear to be a good deal, when you have a busy web server that hosts a lot of well–liked websites, a sluggish hard disk may result in slow–loading websites.
SSD drives are made to include as less moving parts as is feasible. They utilize an identical concept like the one employed in flash drives and are much more trustworthy as compared to classic HDD drives.
SSDs provide an typical failure rate of 0.5%.
For an HDD drive to operate, it must rotate two metallic hard disks at a minimum of 7200 rpm, holding them magnetically stable in mid–air. They have a substantial amount of moving parts, motors, magnets as well as other tools stuffed in a small place. Consequently it’s no surprise that the common rate of failing associated with an HDD drive ranges somewhere between 2% and 5%.
4. Energy Conservation
SSDs don’t have moving components and require almost no cooling energy. In addition, they require a small amount of power to work – trials have demostrated that they’ll be operated by a standard AA battery.
In general, SSDs consume amongst 2 and 5 watts.
As soon as they were designed, HDDs were always very energy–greedy equipment. So when you’ve got a web server with many types of HDD drives, it will add to the month to month utility bill.
Typically, HDDs use up somewhere between 6 and 15 watts.
5. CPU Power
SSD drives provide for a lot faster data file access speeds, which will, consequently, permit the processor to finish data file queries much quicker and afterwards to go back to other responsibilities.
The regular I/O wait for SSD drives is 1%.
In comparison with SSDs, HDDs allow for reduced file access speeds. The CPU will be required to await the HDD to send back the demanded data file, saving its allocations in the meantime.
The average I/O wait for HDD drives is approximately 7%.
6.Input/Output Request Times
Almost all of our brand–new web servers moved to merely SSD drives. All of our lab tests have demostrated that using an SSD, the typical service time for any I/O request although running a backup continues to be under 20 ms.
All through the same lab tests with the exact same hosting server, this time around installed out with HDDs, overall performance was much slow. Throughout the web server backup procedure, the regular service time for any I/O requests fluctuated between 400 and 500 ms.
7. Backup Rates
Discussing backups and SSDs – we have witnessed an exceptional enhancement in the back–up rate as we transferred to SSDs. Currently, a regular server backup takes simply 6 hours.
We applied HDDs exclusively for several years and we have now pretty good familiarity with precisely how an HDD performs. Generating a backup for a hosting server furnished with HDD drives can take around 20 to 24 hours.
If you want to easily boost the efficiency of your respective websites without having to adjust any kind of code, an SSD–powered web hosting service will be a great solution. Have a look at our Linux shared website hosting packages – these hosting services offer extremely fast SSD drives and are offered at cheap prices.
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