Once you have a site or perhaps an web app, speed is vital. The faster your site loads and also the faster your applications work, the better for you. Given that a web site is an array of data files that interact with one another, the devices that store and access these data files play a crucial role in site overall performance.
Hard disk drives, or HDDs, have been, right until recent times, the most efficient devices for saving data. Having said that, lately solid–state drives, or SSDs, are already becoming more popular. Check out our comparison chart to find out whether HDDs or SSDs are better for you.
1. Access Time
SSD drives have a brand–new & ingenious method of file safe–keeping based on the utilization of electronic interfaces rather than just about any moving parts and spinning disks. This unique technology is much quicker, permitting a 0.1 millisecond data file access time.
HDD drives make use of spinning disks for files storage applications. Each time a file will be used, you will have to wait for the right disk to reach the right place for the laser beam to access the data file in question. This ends in a common access rate of 5 to 8 milliseconds.
2. Random I/O Performance
The random I/O performance is very important for the effectiveness of a data storage device. We have run substantial lab tests and have determined that an SSD can manage at the very least 6000 IO’s per second.
With an HDD drive, the I/O performance gradually raises the more you use the disk drive. Even so, right after it extends to a specific cap, it can’t go swifter. And due to the now–old concept, that I/O cap is a lot less than what you might get with an SSD.
HDD are only able to go as far as 400 IO’s per second.
SSD drives are lacking any moving components, meaning that there’s far less machinery within them. And the fewer literally moving components you will discover, the fewer the probability of failing will be.
The average rate of failing of an SSD drive is 0.5%.
With an HDD drive to work, it has to spin 2 metallic disks at over 7200 rpm, keeping them magnetically stable in mid–air. There is a massive amount of moving elements, motors, magnets along with other gadgets loaded in a small place. Consequently it’s no surprise that the normal rate of failure of any HDD drive varies somewhere between 2% and 5%.
4. Energy Conservation
SSD drives are usually smaller compared to HDD drives as well as they don’t possess virtually any moving components whatsoever. This means that they don’t generate just as much heat and require significantly less energy to function and much less energy for cooling down reasons.
SSDs take in amongst 2 and 5 watts.
HDD drives are renowned for being loud. They need a lot more electricity for air conditioning purposes. On a web server that has a lot of different HDDs running continuously, you will need a great deal of fans to keep them kept cool – this may cause them far less energy–efficient than SSD drives.
HDDs use up somewhere between 6 and 15 watts.
5. CPU Power
SSD drives support better file accessibility rates, which, in turn, encourage the CPU to perform file requests much quicker and afterwards to return to different jobs.
The normal I/O wait for SSD drives is actually 1%.
HDD drives allow for slower accessibility speeds in comparison to SSDs do, which will result for the CPU being required to hang around, although reserving resources for the HDD to uncover and give back the required file.
The standard I/O delay for HDD drives is just about 7%.
6.Input/Output Request Times
Almost all of our brand–new servers moved to merely SSD drives. Our own tests have revealed that with an SSD, the normal service time for an I/O request whilst running a backup stays under 20 ms.
Sticking with the same server, yet this time loaded with HDDs, the outcome were very different. The regular service time for an I/O call fluctuated in between 400 and 500 ms.
7. Backup Rates
Another real–life improvement will be the rate with which the back up was created. With SSDs, a server data backup today will take less than 6 hours using OneStopNet’s hosting server–enhanced software solutions.
Over time, we have got made use of mainly HDD drives with our servers and we are well aware of their functionality. On a web server pre–loaded with HDD drives, a complete web server back up will take around 20 to 24 hours.
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