Nowadays, just about all new personal computers contain SSD drives as an alternative to HDD drives. You can find superlatives to them all around the specialized press – that they’re quicker and conduct far better and they are the future of desktop computer and laptop computer manufacturing.
Nonetheless, how do SSDs perform inside the website hosting environment? Are they efficient enough to replace the proven HDDs? At Einhost, we will assist you far better be aware of the dissimilarities between an SSD as well as an HDD and decide the one that is best suited for you needs.
1. Access Time
SSD drives present a brand new & revolutionary solution to data storage based on the use of electronic interfaces in place of any kind of moving parts and turning disks. This completely new technology is considerably quicker, allowing for a 0.1 millisecond file access time.
HDD drives rely on spinning disks for data storage reasons. When a file is being utilized, you have to wait for the appropriate disk to get to the correct place for the laser to reach the data file in question. This translates into a common access rate of 5 to 8 milliseconds.
2. Random I/O Performance
Because of the brand new revolutionary data file storage method shared by SSDs, they feature better data access speeds and better random I/O performance.
In the course of Einhost’s tests, all SSDs confirmed their capability to take care of at least 6000 IO’s per second.
Over the exact same lab tests, the HDD drives confirmed to be much slower, with 400 IO operations maintained per second. While this may seem like a great number, for those who have a busy server that hosts a lot of well–known web sites, a slow hard disk drive can cause slow–loading web sites.
SSD drives are designed to include as fewer rotating components as is practical. They utilize a comparable technique to the one utilized in flash drives and are generally more trustworthy as compared to traditional HDD drives.
SSDs have an average failing rate of 0.5%.
HDD drives make use of spinning hard disks for saving and reading files – a technology dating back to the 1950s. Along with disks magnetically suspended in mid–air, rotating at 7200 rpm, the chances of anything going wrong are usually bigger.
The average rate of failure of HDD drives can vary between 2% and 5%.
4. Energy Conservation
SSD drives function practically silently; they don’t generate excess heat; they don’t call for added chilling solutions as well as use up way less power.
Lab tests have demostrated that the typical electric power intake of an SSD drive is between 2 and 5 watts.
HDD drives can be notorious for becoming noisy; they are prone to heating up and in case there are several disk drives in a single hosting server, you have to have a different air conditioning device simply for them.
In general, HDDs take in in between 6 and 15 watts.
5. CPU Power
Thanks to SSD drives’ higher I/O performance, the main server CPU will be able to process data file demands much faster and preserve time for other procedures.
The standard I/O wait for SSD drives is just 1%.
When you use an HDD, you have to dedicate more time watching for the results of your file query. Consequently the CPU will stay idle for additional time, looking forward to the HDD to reply.
The common I/O delay for HDD drives is approximately 7%.
6.Input/Output Request Times
In the real world, SSDs operate as perfectly as they managed for the duration of Einhost’s trials. We ran a complete system back–up on one of the production machines. Through the backup procedure, the standard service time for I/O demands was below 20 ms.
Weighed against SSD drives, HDDs offer substantially reduced service rates for input/output requests. In a hosting server backup, the average service time for an I/O request varies somewhere between 400 and 500 ms.
7. Backup Rates
Referring to back ups and SSDs – we have observed a significant enhancement with the backup speed as we moved to SSDs. Today, a typical server data backup requires merely 6 hours.
In contrast, on a web server with HDD drives, the same back up may take three to four times as long to finish. A complete back up of any HDD–powered web server normally takes 20 to 24 hours.
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