Currently, pretty much all new computer systems have SSD drives as a substitute for HDD drives. You can find superlatives about them everywhere in the specialized press – that they are faster and function better and they are the future of desktop computer and laptop generation.
Even so, how can SSDs perform within the web hosting community? Are they dependable enough to substitute the tested HDDs? At Pasifika Technology, we are going to aid you better be aware of the dissimilarities among an SSD and an HDD and judge which one best fits you needs.
1. Access Time
After the release of SSD drives, data access rates are now through the roof. As a result of brand new electronic interfaces utilized in SSD drives, the standard data file access time has been reduced into a record low of 0.1millisecond.
HDD drives depend on rotating disks for files storage uses. When a file will be accessed, you have to wait for the correct disk to get to the correct position for the laser to view the data file in question. This results in a regular access speed of 5 to 8 milliseconds.
2. Random I/O Performance
The random I/O performance is important for the efficiency of a data storage device. We’ve run thorough testing and have determined that an SSD can deal with a minimum of 6000 IO’s per second.
With a HDD drive, the I/O performance progressively improves the more you apply the drive. However, as soon as it gets to a particular restriction, it can’t go swifter. And due to the now–old concept, that I/O limit is a lot less than what you could find with an SSD.
HDD can only go so far as 400 IO’s per second.
SSD drives are built to have as fewer rotating components as is feasible. They utilize a similar technique to the one found in flash drives and are much more efficient when compared with classic HDD drives.
SSDs offer an average failure rate of 0.5%.
HDD drives use spinning hard disks for keeping and browsing files – a concept since the 1950s. With hard disks magnetically suspended in mid–air, rotating at 7200 rpm, the odds of something failing are considerably bigger.
The standard rate of failing of HDD drives varies among 2% and 5%.
4. Energy Conservation
SSDs do not have moving elements and need not much cooling power. They also call for not much power to operate – lab tests have demostrated that they’ll be powered by a common AA battery.
As a whole, SSDs take in amongst 2 and 5 watts.
From the time they have been designed, HDDs have invariably been very electricity–hungry equipment. Then when you’ve got a server with multiple HDD drives, this tends to increase the monthly utility bill.
On average, HDDs consume somewhere between 6 and 15 watts.
5. CPU Power
Thanks to SSD drives’ better I/O functionality, the key server CPU can process data calls more quickly and conserve time for other operations.
The common I/O wait for SSD drives is just 1%.
When you use an HDD, you have to dedicate time awaiting the outcomes of your data file call. Consequently the CPU will continue to be idle for more time, looking forward to the HDD to react.
The normal I/O delay for HDD drives is around 7%.
6.Input/Output Request Times
In the real world, SSDs function as perfectly as they managed throughout our checks. We produced a full system back–up using one of our own production web servers. All through the backup procedure, the average service time for any I/O demands was basically below 20 ms.
Using the same web server, yet this time furnished with HDDs, the end results were completely different. The average service time for an I/O request fluctuated between 400 and 500 ms.
7. Backup Rates
Speaking about back–ups and SSDs – we’ve noticed an effective improvement in the back up rate since we turned to SSDs. Now, a common server back–up can take just 6 hours.
We applied HDDs mainly for a couple of years and we have got decent comprehension of just how an HDD works. Generating a backup for a hosting server equipped with HDD drives is going to take about 20 to 24 hours.
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