Nowadays, almost all new computer systems contain SSD drives in place of HDD drives. You will see superlatives on them all over the professional press – they are a lot faster and operate better and that they are the future of home computer and laptop computer manufacturing.
Having said that, how do SSDs stand up in the website hosting environment? Can they be responsible enough to substitute the established HDDs? At Astral Hosting, we will assist you much better see the dissimilarities between an SSD as well as an HDD and determine the one that best suits you needs.
1. Access Time
SSD drives give a fresh & revolutionary method of data storage according to the usage of electronic interfaces in place of just about any moving components and revolving disks. This new technology is considerably quicker, allowing for a 0.1 millisecond data access time.
HDD drives count on rotating disks for files storage reasons. Every time a file is being used, you will have to wait for the right disk to reach the right place for the laser to reach the data file in question. This leads to a regular access rate of 5 to 8 milliseconds.
2. Random I/O Performance
Because of the very same revolutionary method that allows for speedier access times, it’s also possible to experience greater I/O performance with SSD drives. They can perform two times as many operations throughout a specific time as compared to an HDD drive.
An SSD can manage at the very least 6000 IO’s per second.
With a HDD drive, the I/O performance gradually improves the more you use the hard drive. Nonetheless, right after it gets to a particular limit, it can’t get speedier. And because of the now–old concept, that I/O limit is significantly lower than what you can have with an SSD.
HDD are only able to go as much as 400 IO’s per second.
SSD drives lack any sort of moving components, meaning there is much less machinery inside them. And the fewer physically moving components you will discover, the fewer the possibilities of failing can be.
The average rate of failing of an SSD drive is 0.5%.
To have an HDD drive to work, it must spin two metallic hard disks at more than 7200 rpm, retaining them magnetically stabilized in mid–air. There is a whole lot of moving components, motors, magnets along with other gadgets loaded in a tiny space. Consequently it’s no wonder that the standard rate of failure of the HDD drive varies between 2% and 5%.
4. Energy Conservation
SSDs don’t have moving elements and need not much cooling power. Additionally they demand not much energy to function – tests have indicated that they can be powered by a common AA battery.
As a whole, SSDs take in somewhere between 2 and 5 watts.
From the moment they were created, HDDs have been quite energy–greedy equipment. And when you have a web server with lots of HDD drives, this can add to the regular monthly utility bill.
On average, HDDs use up between 6 and 15 watts.
5. CPU Power
Because of SSD drives’ better I/O effectiveness, the key server CPU can process data queries much faster and save time for other procedures.
The normal I/O wait for SSD drives is only 1%.
HDD drives permit sluggish accessibility rates in comparison with SSDs do, which will result in the CPU being forced to wait around, while reserving allocations for the HDD to uncover and return the demanded file.
The normal I/O wait for HDD drives is just about 7%.
6.Input/Output Request Times
It’s about time for several real–world cases. We produced a complete system backup with a web server only using SSDs for data storage reasons. In that procedure, the standard service time for an I/O query stayed beneath 20 ms.
All through the same lab tests with the same web server, now suited out with HDDs, functionality was considerably slow. During the web server back–up process, the regular service time for I/O demands varied between 400 and 500 ms.
7. Backup Rates
Referring to back ups and SSDs – we’ve discovered a substantual progress in the back–up rate as we moved to SSDs. Currently, a usual web server backup takes merely 6 hours.
On the flip side, on a hosting server with HDD drives, the same data backup can take 3 to 4 times as long to complete. A complete back up of any HDD–powered server usually takes 20 to 24 hours.
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