For decades there seemed to be only 1 efficient option to keep info on a personal computer – using a hard disk drive (HDD). However, this kind of technology is already expressing it’s age – hard disks are really loud and slow; they are power–hungry and are likely to generate quite a lot of warmth for the duration of intense procedures.
SSD drives, on the contrary, are extremely fast, take in a lot less power and are much cooler. They furnish an innovative way of file accessibility and storage and are years in front of HDDs when considering file read/write speed, I/O operation and then energy effectivity. See how HDDs fare against the newer SSD drives.
1. Access Time
Resulting from a revolutionary new method to disk drive general performance, SSD drives make it possible for faster data accessibility rates. Having an SSD, data file accessibility instances are far lower (just 0.1 millisecond).
The concept driving HDD drives goes all the way back to 1954. And while it’s been noticeably enhanced in recent times, it’s still can’t stand up to the revolutionary technology powering SSD drives. Having today’s HDD drives, the highest data access speed you’re able to achieve differs between 5 and 8 milliseconds.
2. Random I/O Performance
Due to the brand–new significant data storage technique shared by SSDs, they offer better data access speeds and better random I/O performance.
All through our tests, all of the SSDs revealed their ability to manage at the least 6000 IO’s per second.
Hard drives offer reduced data file access rates due to older file storage space and accessibility technique they’re by making use of. Additionally they illustrate considerably slower random I/O performance matched against SSD drives.
Throughout 1-Shot Web Hosting’s tests, HDD drives dealt with an average of 400 IO operations per second.
SSD drives are designed to include as less moving parts as is feasible. They use a similar concept like the one utilized in flash drives and are more dependable in comparison with classic HDD drives.
SSDs provide an average failing rate of 0.5%.
For an HDD drive to operate, it should rotate a pair of metal disks at a minimum of 7200 rpm, having them magnetically stabilized in the air. They have a lots of moving components, motors, magnets and other devices loaded in a tiny location. Hence it’s obvious why the regular rate of failing of the HDD drive varies among 2% and 5%.
4. Energy Conservation
SSD drives operate nearly noiselessly; they don’t make surplus warmth; they don’t call for more chilling options and also take in way less power.
Tests have indicated the common electricity intake of an SSD drive is somewhere between 2 and 5 watts.
HDD drives are known for being noisy; they can be at risk from getting hot and whenever there are several hard drives in a server, you must have an additional a / c system only for them.
In general, HDDs use up in between 6 and 15 watts.
5. CPU Power
The faster the data access speed is, the swifter the data file queries are going to be adressed. Because of this the CPU will not have to reserve allocations waiting around for the SSD to reply back.
The regular I/O wait for SSD drives is merely 1%.
HDD drives allow for slower accessibility speeds as opposed to SSDs do, resulting in the CPU needing to wait around, although scheduling assets for your HDD to uncover and give back the required file.
The regular I/O delay for HDD drives is approximately 7%.
6.Input/Output Request Times
In real life, SSDs operate as admirably as they performed throughout the lab tests. We competed a full platform data backup using one of the production machines. Over the backup procedure, the standard service time for I/O demands was in fact below 20 ms.
Sticking with the same hosting server, but this time built with HDDs, the effects were totally different. The regular service time for any I/O query fluctuated between 400 and 500 ms.
7. Backup Rates
Speaking about backups and SSDs – we’ve noticed a substantual advancement with the back–up rate as we switched to SSDs. Today, a typical server backup takes only 6 hours.
We implemented HDDs mainly for several years and we have pretty good knowledge of how an HDD performs. Backing up a hosting server designed with HDD drives will take around 20 to 24 hours.
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