For people with a website or perhaps an web application, speed is vital. The speedier your website loads and the faster your web applications function, the better for everyone. Since a site is an offering of data files that connect with each other, the systems that keep and access these files have a huge role in site functionality.
Hard drives, or HDDs, have been, until the past several years, the most efficient devices for storing information. Then again, recently solid–state drives, or SSDs, are actually gaining interest. Take a look at our comparison chart to see whether HDDs or SSDs are more appropriate for you.
1. Access Time
With the arrival of SSD drives, file access rates are now through the roof. As a result of completely new electronic interfaces utilized in SSD drives, the normal file access time has shrunk into a record low of 0.1millisecond.
HDD drives make use of rotating disks for files storage reasons. Every time a file will be used, you will have to wait for the correct disk to reach the correct place for the laser beam to reach the file you want. This translates into an average access speed of 5 to 8 milliseconds.
2. Random I/O Performance
The random I/O performance is vital for the efficiency of a file storage device. We’ve run detailed lab tests and have identified an SSD can handle at the least 6000 IO’s per second.
With an HDD drive, the I/O performance gradually enhances the more you apply the drive. Nevertheless, in the past it reaches a particular cap, it can’t proceed faster. And due to the now–old technology, that I/O restriction is significantly lower than what you might find having an SSD.
HDD can only go as far as 400 IO’s per second.
SSD drives are made to include as less rotating components as is feasible. They use a similar technique like the one used in flash drives and are generally significantly more reliable rather than standard HDD drives.
SSDs have an common failing rate of 0.5%.
As we already have mentioned, HDD drives depend on rotating hard disks. And anything that takes advantage of a great number of moving components for extented time periods is more prone to failure.
HDD drives’ regular rate of failure ranges between 2% and 5%.
4. Energy Conservation
SSD drives operate almost silently; they don’t generate excessive heat; they don’t call for supplemental chilling methods and then use up less energy.
Tests have established that the average electricity consumption of an SSD drive is somewhere between 2 and 5 watts.
HDD drives are renowned for being noisy; they are more likely to getting too hot and when there are several hard drives in a web server, you have to have one more air conditioning unit used only for them.
In general, HDDs take in between 6 and 15 watts.
5. CPU Power
Because of SSD drives’ greater I/O performance, the key hosting server CPU can easily process file calls more quickly and conserve time for other procedures.
The common I/O wait for SSD drives is 1%.
HDD drives accommodate slower access speeds than SSDs do, resulting in the CPU being required to wait around, although scheduling allocations for the HDD to discover and give back the demanded data file.
The standard I/O wait for HDD drives is approximately 7%.
6.Input/Output Request Times
It’s about time for some real–world cases. We, at CitySites, competed a complete system backup on a hosting server using only SSDs for data storage uses. During that operation, the normal service time for any I/O demand stayed below 20 ms.
All through the exact same lab tests with the exact same web server, this time around installed out utilizing HDDs, performance was significantly slow. During the server back up process, the normal service time for I/O calls ranged between 400 and 500 ms.
7. Backup Rates
Speaking about backups and SSDs – we’ve noticed an effective advancement in the data backup speed as we switched to SSDs. Now, a regular hosting server back up will take solely 6 hours.
Through the years, we’ve got employed principally HDD drives with our web servers and we’re well aware of their efficiency. With a web server pre–loaded with HDD drives, a full hosting server data backup normally takes about 20 to 24 hours.
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