At present, all of the brand new computers come with SSD drives as an alternative to HDD drives. You’ll notice superlatives about them all around the professional press – that they’re faster and conduct better and they are actually the future of desktop computer and laptop computer production.
On the other hand, how do SSDs stand up in the hosting world? Can they be reliable enough to substitute the established HDDs? At Hosting.com.ru, we are going to assist you to much better be aware of the dissimilarities among an SSD and an HDD and choose which one most accurately fits you needs.
1. Access Time
With the launch of SSD drives, data accessibility rates have gone through the roof. Due to the unique electronic interfaces made use of in SSD drives, the regular file access time has shrunk towards a record low of 0.1millisecond.
The concept behind HDD drives dates back to 1954. And while it has been noticeably polished progressively, it’s nonetheless no match for the ground breaking ideas powering SSD drives. Through today’s HDD drives, the highest data file access speed you’ll be able to reach differs between 5 and 8 milliseconds.
2. Random I/O Performance
As a result of the brand–new significant data file storage method incorporated by SSDs, they give you faster data access rates and swifter random I/O performance.
For the duration of Hosting.com.ru’s tests, all SSDs revealed their capability to handle at least 6000 IO’s per second.
With an HDD drive, the I/O performance gradually enhances the more you apply the hard drive. Even so, just after it extends to a particular restriction, it can’t go quicker. And because of the now–old technology, that I/O limit is much lower than what you could receive having an SSD.
HDD are only able to go as far as 400 IO’s per second.
SSD drives are meant to have as fewer rotating elements as feasible. They use a comparable technology like the one found in flash drives and are also more reliable in comparison with standard HDD drives.
SSDs have an typical failing rate of 0.5%.
HDD drives employ rotating hard disks for holding and reading info – a concept since the 1950s. With hard disks magnetically hanging in mid–air, rotating at 7200 rpm, the possibilities of some thing going wrong are generally increased.
The average rate of failing of HDD drives varies among 2% and 5%.
4. Energy Conservation
SSDs don’t have moving parts and require hardly any cooling down energy. Additionally, they demand not much energy to function – lab tests have revealed they can be operated by a common AA battery.
As a whole, SSDs consume somewhere between 2 and 5 watts.
HDD drives are famous for getting noisy. They want a lot more energy for cooling down applications. Within a web server which has several HDDs running at all times, you’ll need a large amount of fans to ensure they are kept cool – this makes them a lot less energy–economical than SSD drives.
HDDs use up somewhere between 6 and 15 watts.
5. CPU Power
The swifter the data file accessibility speed is, the swifter the data file queries will likely be handled. As a result the CPU will not have to reserve resources looking forward to the SSD to answer back.
The standard I/O delay for SSD drives is barely 1%.
When compared with SSDs, HDDs permit not so quick data file access rates. The CPU must lose time waiting for the HDD to return the demanded data, saving its resources for the time being.
The normal I/O wait for HDD drives is about 7%.
6.Input/Output Request Times
It’s time for a few real–world instances. We, at Hosting.com.ru, competed an entire system backup on a hosting server only using SSDs for data storage reasons. In that operation, the standard service time for any I/O query remained under 20 ms.
With the same hosting server, yet this time furnished with HDDs, the results were completely different. The normal service time for any I/O query changed somewhere between 400 and 500 ms.
7. Backup Rates
Referring to back ups and SSDs – we have detected an exceptional enhancement with the back–up rate since we moved to SSDs. Right now, a standard hosting server back up requires simply 6 hours.
We applied HDDs exclusively for lots of years and we have decent expertise in exactly how an HDD runs. Creating a backup for a web server designed with HDD drives is going to take around 20 to 24 hours.
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