Nowadays, all of the completely new laptops or computers include SSD drives as an alternative to HDD drives. One can find superlatives to them all around the specialised press – that they’re faster and conduct much better and that they are really the future of desktop computer and laptop manufacturing.

Then again, how can SSDs perform inside the website hosting community? Are they trustworthy enough to substitute the tested HDDs? At PNN Hosting, we’ll assist you better understand the differences between an SSD as well as an HDD and decide the one that most closely fits you needs.

1. Access Time

SSD drives offer a brand new & innovative solution to data safe–keeping according to the usage of electronic interfaces rather than any kind of moving components and rotating disks. This new technology is noticeably faster, allowing for a 0.1 millisecond data file accessibility time.

HDD drives still makes use of the very same basic file access technique that was initially created in the 1950s. Even though it has been vastly advanced after that, it’s slower as compared with what SSDs are providing. HDD drives’ data file access rate varies in between 5 and 8 milliseconds.

2. Random I/O Performance

The random I/O performance is important for the efficiency of any data storage device. We’ve carried out in depth tests and have established that an SSD can manage at the very least 6000 IO’s per second.

Hard drives deliver reduced data file access rates due to the older file storage and access technology they’re using. And in addition they demonstrate noticeably slower random I/O performance when compared to SSD drives.

Throughout PNN Hosting’s lab tests, HDD drives managed on average 400 IO operations per second.

3. Reliability

The lack of moving elements and rotating disks inside SSD drives, and the current advances in electric interface technology have generated an extremely better file storage device, having an normal failing rate of 0.5%.

Since we have documented, HDD drives use spinning hard disks. And something that works by using a number of moving components for extended periods of time is vulnerable to failing.

HDD drives’ normal rate of failure can vary between 2% and 5%.

4. Energy Conservation

SSD drives are much small compared to HDD drives and also they lack any moving parts at all. Consequently they don’t create as much heat and need considerably less energy to work and much less power for cooling down reasons.

SSDs consume somewhere between 2 and 5 watts.

HDD drives are famous for being noisy. They demand extra energy for chilling reasons. With a web server which includes lots of HDDs running continually, you will need a large amount of fans to ensure they are kept cool – this makes them much less energy–efficient than SSD drives.

HDDs consume between 6 and 15 watts.

5. CPU Power

SSD drives support better data accessibility rates, that, subsequently, enable the processor to perform file queries considerably faster and after that to return to different tasks.

The standard I/O hold out for SSD drives is simply 1%.

If you use an HDD, you will have to invest more time waiting for the results of your data query. This means that the CPU will be idle for further time, expecting the HDD to respond.

The average I/O wait for HDD drives is around 7%.

6.Input/Output Request Times

In the real world, SSDs carry out as perfectly as they have during our checks. We produced a complete system back up using one of the production web servers. Through the backup operation, the normal service time for I/O requests was basically below 20 ms.

During the very same tests with the exact same server, now fitted out using HDDs, efficiency was significantly sluggish. All through the hosting server back up procedure, the common service time for I/O calls fluctuated between 400 and 500 ms.

7. Backup Rates

Referring to backups and SSDs – we have found an exceptional advancement in the data backup rate as we turned to SSDs. Currently, a normal hosting server backup takes solely 6 hours.

Over time, we’ve employed mainly HDD drives on our servers and we’re familiar with their performance. On a web server furnished with HDD drives, a complete server data backup normally takes about 20 to 24 hours.

Our Linux VPS service and then the typical Linux cloud service accounts include SSD drives automatically. Be part of our PNN Hosting family, and see the way we just might help you improve your site.


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