For many years there was a particular efficient way for you to store information on a personal computer – working with a hard drive (HDD). Then again, this type of technology is currently demonstrating it’s age – hard disk drives are really noisy and slow; they are power–ravenous and are likely to produce quite a lot of heat throughout serious procedures.
SSD drives, on the other hand, are extremely fast, consume far less energy and tend to be much cooler. They feature a completely new approach to file access and data storage and are years ahead of HDDs in terms of file read/write speed, I/O efficiency and then power efficiency. Observe how HDDs fare against the newer SSD drives.
1. Access Time
SSD drives give a brand new & ingenious way of data safe–keeping based on the utilization of electronic interfaces instead of any moving parts and rotating disks. This unique technology is way quicker, making it possible for a 0.1 millisecond data access time.
HDD drives still make use of the exact same basic file access technique which was actually created in the 1950s. Even though it was noticeably enhanced consequently, it’s sluggish compared to what SSDs are providing. HDD drives’ file access speed ranges between 5 and 8 milliseconds.
2. Random I/O Performance
As a result of very same radical strategy which enables for better access times, you may as well appreciate improved I/O efficiency with SSD drives. They can complete double the operations during a specific time when compared with an HDD drive.
An SSD can manage at least 6000 IO’s per second.
With a HDD drive, the I/O performance gradually raises the more you employ the drive. However, once it gets to a particular limit, it can’t go speedier. And due to the now–old concept, that I/O limit is noticeably less than what you could get having an SSD.
HDD can only go as far as 400 IO’s per second.
SSD drives don’t have just about any rotating elements, which means that there is significantly less machinery in them. And the less physically moving elements you’ll find, the fewer the prospect of failing can be.
The common rate of failure of any SSD drive is 0.5%.
As we have already mentioned, HDD drives rely on rotating hard disks. And anything that takes advantage of lots of moving components for extented time frames is liable to failing.
HDD drives’ common rate of failing can vary among 2% and 5%.
4. Energy Conservation
SSD drives operate almost soundlessly; they don’t create excessive heat; they don’t call for supplemental cooling down options as well as consume significantly less energy.
Trials have shown that the common electricity intake of an SSD drive is amongst 2 and 5 watts.
From the minute they were made, HDDs were always really energy–heavy products. So when you’ve got a server with multiple HDD drives, this will boost the regular utility bill.
Typically, HDDs use up between 6 and 15 watts.
5. CPU Power
Thanks to SSD drives’ better I/O efficiency, the leading web server CPU can easily work with data requests a lot quicker and save time for additional operations.
The average I/O delay for SSD drives is only 1%.
As compared to SSDs, HDDs allow for not so quick file accessibility speeds. The CPU will be required to await the HDD to come back the inquired data, saving its resources for the time being.
The standard I/O delay for HDD drives is approximately 7%.
6.Input/Output Request Times
The vast majority of our new machines moved to simply SSD drives. All of our lab tests have revealed that having an SSD, the typical service time for any I/O request whilst building a backup continues to be below 20 ms.
During the exact same tests sticking with the same hosting server, now suited out utilizing HDDs, functionality was substantially reduced. During the web server back–up process, the typical service time for any I/O requests fluctuated somewhere between 400 and 500 ms.
7. Backup Rates
You can actually notice the real–world benefits of using SSD drives on a daily basis. As an example, on a server furnished with SSD drives, a complete back up will take only 6 hours.
We worked with HDDs mainly for a few years and we’ve decent understanding of just how an HDD runs. Backing up a web server furnished with HDD drives is going to take around 20 to 24 hours.
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