At present, pretty much all brand new personal computers are equipped with SSD drives instead of HDD drives. You can see superlatives on them all around the specialized press – that they’re quicker and operate much better and they are the future of home computer and laptop generation.
Even so, how do SSDs stand up inside the web hosting world? Can they be efficient enough to substitute the proven HDDs? At KelticKnight, we are going to help you better comprehend the distinctions among an SSD and an HDD and judge the one that most accurately fits you needs.
1. Access Time
Due to a radical new approach to disk drive general performance, SSD drives enable for considerably faster data access rates. Having an SSD, data file access instances tend to be lower (only 0.1 millisecond).
The concept powering HDD drives times back to 1954. And while it has been drastically refined through the years, it’s even now can’t stand up to the ground breaking ideas powering SSD drives. With today’s HDD drives, the highest file access speed you can actually achieve varies in between 5 and 8 milliseconds.
2. Random I/O Performance
The random I/O performance is very important for the performance of a data storage device. We have carried out thorough exams and have identified an SSD can deal with a minimum of 6000 IO’s per second.
Hard drives deliver reduced data access rates as a result of aging file storage space and accessibility concept they are implementing. Additionally they demonstrate significantly sluggish random I/O performance compared to SSD drives.
During KelticKnight’s trials, HDD drives addressed typically 400 IO operations per second.
SSD drives are created to have as less moving elements as is feasible. They use a comparable technology like the one found in flash drives and are generally much more trustworthy as compared to traditional HDD drives.
SSDs provide an normal failing rate of 0.5%.
Since we have observed, HDD drives rely on spinning disks. And anything that employs a number of moving parts for extended time frames is more prone to failure.
HDD drives’ average rate of failing ranges between 2% and 5%.
4. Energy Conservation
SSDs don’t have moving elements and need hardly any cooling down power. In addition, they need not much electricity to perform – tests have established they can be operated by a normal AA battery.
As a whole, SSDs take in between 2 and 5 watts.
HDD drives are famous for being loud. They want far more power for air conditioning purposes. Within a hosting server which includes lots of HDDs running constantly, you will need a lot of fans to ensure they are cool – this will make them far less energy–economical than SSD drives.
HDDs use up in between 6 and 15 watts.
5. CPU Power
SSD drives allow for quicker file accessibility speeds, which, in return, permit the processor to finish file queries considerably faster and to go back to different responsibilities.
The average I/O hold out for SSD drives is 1%.
HDD drives allow for reduced access speeds when compared with SSDs do, resulting for the CPU needing to wait around, while scheduling allocations for your HDD to find and give back the required data file.
The standard I/O delay for HDD drives is just about 7%.
6.Input/Output Request Times
In real life, SSDs operate as admirably as they performed in the course of our checks. We produced a complete platform back up using one of the production web servers. During the backup process, the normal service time for any I/O requests was basically under 20 ms.
All through the same lab tests using the same server, this time around suited out with HDDs, overall performance was substantially slower. During the hosting server back–up procedure, the regular service time for I/O calls fluctuated somewhere between 400 and 500 ms.
7. Backup Rates
Speaking about backups and SSDs – we have witnessed an exceptional advancement in the data backup rate as we switched to SSDs. Right now, a normal server backup will take solely 6 hours.
In the past, we’ve used predominantly HDD drives on our web servers and we’re knowledgeable of their effectiveness. With a hosting server furnished with HDD drives, a complete hosting server data backup typically takes around 20 to 24 hours.
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