For years there seemed to be only one dependable method to store data on your computer – working with a hard disk drive (HDD). Having said that, this sort of technology is presently displaying its age – hard disks are actually loud and sluggish; they can be power–ravenous and are likely to create quite a lot of heat for the duration of intense procedures.
SSD drives, on the contrary, are extremely fast, consume a smaller amount power and they are far less hot. They offer a new strategy to file access and data storage and are years ahead of HDDs regarding file read/write speed, I/O operation as well as power efficiency. Observe how HDDs fare up against the modern SSD drives.
1. Access Time
Resulting from a radical new approach to disk drive performance, SSD drives allow for much quicker data file accessibility speeds. With an SSD, data accessibility times tend to be lower (as small as 0.1 millisecond).
HDD drives continue to utilize the exact same fundamental data file access concept that was initially developed in the 1950s. Despite the fact that it has been vastly enhanced consequently, it’s slow compared with what SSDs are providing. HDD drives’ data access speed varies between 5 and 8 milliseconds.
2. Random I/O Performance
Because of the same radical method which allows for better access times, it is possible to take pleasure in much better I/O effectiveness with SSD drives. They’re able to accomplish double the functions during a specific time in comparison with an HDD drive.
An SSD can manage at the least 6000 IO’s per second.
Over the exact same tests, the HDD drives confirmed to be significantly slower, with simply 400 IO operations addressed per second. While this feels like a good deal, when you have a busy server that serves plenty of well known websites, a slow hard drive may lead to slow–loading web sites.
SSD drives are designed to include as less moving components as is practical. They utilize a similar technique to the one utilized in flash drives and are significantly more efficient than classic HDD drives.
SSDs come with an typical failure rate of 0.5%.
HDD drives make use of rotating disks for holding and reading data – a concept dating back to the 1950s. With hard disks magnetically suspended in the air, spinning at 7200 rpm, the prospect of one thing going wrong are much increased.
The regular rate of failure of HDD drives ranges among 2% and 5%.
4. Energy Conservation
SSD drives are far small compared to HDD drives and also they do not have any kind of moving elements at all. This means that they don’t produce just as much heat and need much less energy to operate and much less energy for chilling reasons.
SSDs consume between 2 and 5 watts.
HDD drives can be renowned for getting loud; they can be at risk of overheating and if you have several hard drives in a single web server, you’ll want an extra air conditioning unit exclusively for them.
All together, HDDs take in somewhere between 6 and 15 watts.
5. CPU Power
SSD drives permit speedier data file accessibility speeds, which, in turn, allow the processor to complete data file calls considerably faster and to go back to other duties.
The average I/O hold out for SSD drives is only 1%.
If you use an HDD, you must dedicate additional time looking forward to the outcome of one’s file ask. Because of this the CPU will continue to be idle for more time, expecting the HDD to reply.
The regular I/O wait for HDD drives is about 7%.
6.Input/Output Request Times
Almost all of eVentureBiz’s brand new web servers are now using solely SSD drives. Our personal tests have indicated that by using an SSD, the common service time for any I/O request while doing a backup stays under 20 ms.
Weighed against SSD drives, HDDs deliver significantly slower service rates for I/O requests. In a hosting server backup, the common service time for an I/O request ranges somewhere between 400 and 500 ms.
7. Backup Rates
Speaking about back ups and SSDs – we have found a substantual progress with the back up speed as we switched to SSDs. Today, a typical web server back–up will take only 6 hours.
Through the years, we have worked with largely HDD drives on our machines and we are well aware of their functionality. On a hosting server pre–loaded with HDD drives, a complete hosting server back–up will take around 20 to 24 hours.
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