SSDs vs HDDs
Examine the Pro’s and Con’s of HDD and SSD drives
For decades there seemed to be only one trustworthy option to keep info on your computer – with a disk drive (HDD). Nevertheless, this sort of technology is already displaying its age – hard disks are really noisy and slow; they are power–hungry and tend to generate a lot of warmth in the course of intense operations.
SSD drives, alternatively, are really fast, take in much less power and are generally much cooler. They feature a new solution to file accessibility and storage and are years in front of HDDs when considering file read/write speed, I/O efficiency and also power effectivity. Observe how HDDs fare against the newer SSD drives.
1. Access Time
Resulting from a radical new solution to disk drive performance, SSD drives permit for noticeably faster data accessibility rates. With an SSD, data file accessibility times are far lower (as little as 0.1 millisecond).
HDD drives make use of rotating disks for data storage applications. Every time a file will be used, you will need to wait around for the appropriate disk to reach the correct place for the laser to access the data file you want. This ends in a typical access speed of 5 to 8 milliseconds.
2. Random I/O Performance
As a result of the completely new radical data storage solution incorporated by SSDs, they furnish quicker file access speeds and swifter random I/O performance.
During Big Green Host’s trials, all of the SSDs showed their capacity to handle at the least 6000 IO’s per second.
Hard drives present slower file access rates because of the older file storage and accessibility concept they’re implementing. And they also illustrate significantly reduced random I/O performance compared to SSD drives.
During our trials, HDD drives handled typically 400 IO operations per second.
3. Reliability
The absence of moving components and rotating disks within SSD drives, and also the latest developments in electronic interface technology have led to a considerably better data file storage device, having a normal failure rate of 0.5%.
To have an HDD drive to operate, it needs to spin a couple metal disks at over 7200 rpm, retaining them magnetically stabilized in mid–air. There is a large amount of moving components, motors, magnets along with other devices crammed in a tiny location. So it’s obvious why the normal rate of failing of an HDD drive ranges between 2% and 5%.
4. Energy Conservation
SSD drives function almost soundlessly; they don’t produce excessive heat; they don’t demand supplemental cooling down options and use up way less energy.
Trials have shown that the average power utilization of an SSD drive is between 2 and 5 watts.
From the moment they were built, HDDs were always very electric power–greedy devices. And when you’ve got a web server with lots of HDD drives, it will increase the per month electricity bill.
Typically, HDDs consume somewhere between 6 and 15 watts.
5. CPU Power
Because of SSD drives’ higher I/O functionality, the key web server CPU can work with data file requests faster and save time for additional procedures.
The regular I/O wait for SSD drives is only 1%.
Compared with SSDs, HDDs permit slower file accessibility speeds. The CPU will be required to lose time waiting for the HDD to come back the inquired data, saving its assets in the meanwhile.
The normal I/O delay for HDD drives is around 7%.
6.Input/Output Request Times
In real life, SSDs conduct as wonderfully as they managed throughout the checks. We ran a full system data backup on one of the production web servers. Through the backup procedure, the average service time for any I/O queries was in fact under 20 ms.
Using the same hosting server, but this time built with HDDs, the outcome were different. The average service time for any I/O request fluctuated between 400 and 500 ms.
7. Backup Rates
You can experience the real–world benefits of having SSD drives each and every day. For instance, with a hosting server pre–loaded with SSD drives, a complete data backup will take just 6 hours.
Over the years, we’ve got employed primarily HDD drives on our machines and we’re knowledgeable of their overall performance. On a server furnished with HDD drives, a complete hosting server back up will take around 20 to 24 hours.
Should you wish to instantaneously add to the effectiveness of one’s sites and never having to alter any code, an SSD–powered website hosting service is a excellent option. Take a look at Big Green Host’s Linux shared hosting packages and the Linux VPS hosting – these hosting services feature quick SSD drives and are offered at the best prices.
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