Presently, all brand new computing devices have SSD drives instead of HDD drives. You’ll discover superlatives on them everywhere in the specialised press – that they’re faster and operate better and that they are the future of home computer and laptop computer manufacturing.
Having said that, how can SSDs perform in the hosting world? Are they efficient enough to replace the successful HDDs? At Belgium Hosting, we are going to help you better be aware of the distinctions between an SSD as well as an HDD and decide which one best suits you needs.
1. Access Time
After the arrival of SSD drives, data accessibility rates have gone tremendous. On account of the brand–new electronic interfaces utilised in SSD drives, the typical file access time has shrunk towards a record low of 0.1millisecond.
The concept powering HDD drives times all the way to 1954. And while it has been substantially enhanced as time passes, it’s nonetheless no match for the inventive concept driving SSD drives. Having today’s HDD drives, the very best file access rate you’re able to achieve varies somewhere between 5 and 8 milliseconds.
2. Random I/O Performance
On account of the same radical method that allows for a lot faster access times, it is possible to benefit from far better I/O effectiveness with SSD drives. They can conduct two times as many procedures within a given time in comparison with an HDD drive.
An SSD can handle at least 6000 IO’s per second.
All through the same trials, the HDD drives demonstrated that they are much slower, with only 400 IO operations addressed per second. Even though this might appear to be a good deal, when you have a hectic web server that contains many well known sites, a slow disk drive can cause slow–loading sites.
SSD drives are built to have as fewer rotating elements as is possible. They utilize a comparable technique to the one used in flash drives and are generally more dependable in comparison to standard HDD drives.
SSDs provide an normal failure rate of 0.5%.
HDD drives make use of spinning disks for saving and browsing data – a concept since the 1950s. Along with disks magnetically hanging in mid–air, spinning at 7200 rpm, the chances of anything failing are much bigger.
The standard rate of failure of HDD drives can vary amongst 2% and 5%.
4. Energy Conservation
SSD drives operate nearly silently; they don’t generate extra warmth; they don’t call for added cooling down alternatives and also use up considerably less electricity.
Tests have shown that the average power consumption of an SSD drive is amongst 2 and 5 watts.
From the second they have been constructed, HDDs have invariably been extremely power–ravenous products. So when you’ve got a web server with multiple HDD drives, this can increase the per month electric bill.
On average, HDDs consume between 6 and 15 watts.
5. CPU Power
The faster the data file access rate is, the swifter the data queries will likely be processed. It means that the CPU do not need to save resources waiting around for the SSD to respond back.
The standard I/O wait for SSD drives is only 1%.
If you use an HDD, you need to dedicate time awaiting the results of one’s file call. This means that the CPU will continue to be idle for extra time, looking forward to the HDD to reply.
The standard I/O wait for HDD drives is approximately 7%.
6.Input/Output Request Times
In the real world, SSDs perform as wonderfully as they did during Belgium Hosting’s testing. We ran an entire platform back up on one of our own production web servers. Over the backup process, the normal service time for I/O queries was basically below 20 ms.
Weighed against SSD drives, HDDs provide considerably reduced service times for I/O requests. Throughout a hosting server backup, the regular service time for an I/O query ranges between 400 and 500 ms.
7. Backup Rates
A different real–life advancement is the rate with which the backup was created. With SSDs, a server backup currently will take less than 6 hours by using Belgium Hosting’s web server–optimized software.
Alternatively, with a web server with HDD drives, the same data backup normally requires three to four times as long to finish. A complete back up of any HDD–equipped server typically takes 20 to 24 hours.
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