For people with a web site or an app, rate of operation is vital. The swifter your site works and the swifter your apps function, the better for you. Since a web site is simply a set of data files that communicate with one another, the devices that store and access these data files play a vital role in web site general performance.
Hard disk drives, or HDDs, were, until the past few years, the most reliable products for storing data. Nonetheless, in recent times solid–state drives, or SSDs, are already rising in popularity. Have a look at our assessment chart to find out whether HDDs or SSDs are more suitable for you.
1. Access Time
With the release of SSD drives, file access speeds have gone through the roof. With thanks to the new electronic interfaces used in SSD drives, the common file access time has been reduced towards a record low of 0.1millisecond.
HDD drives still utilize the same general data access concept which was originally created in the 1950s. Even though it has been considerably improved ever since, it’s slow compared with what SSDs are offering to you. HDD drives’ data file access speed varies somewhere between 5 and 8 milliseconds.
2. Random I/O Performance
Because of the exact same radical solution allowing for quicker access times, it’s also possible to enjoy better I/O performance with SSD drives. They can carry out twice as many procedures within a specific time as compared with an HDD drive.
An SSD can manage at the very least 6000 IO’s per second.
With an HDD drive, the I/O performance steadily raises the more you employ the drive. Having said that, in the past it reaches a certain restriction, it can’t proceed swifter. And because of the now–old technology, that I/O cap is much lower than what you might find with a SSD.
HDD are only able to go so far as 400 IO’s per second.
The lack of moving components and spinning disks within SSD drives, and the latest advancements in electric interface technology have ended in a significantly less risky file storage device, having a typical failing rate of 0.5%.
Since we have previously mentioned, HDD drives use rotating disks. And something that employs many moving components for extented periods of time is prone to failing.
HDD drives’ common rate of failure varies between 2% and 5%.
4. Energy Conservation
SSDs do not have moving elements and need very little cooling down energy. In addition, they call for not much electricity to operate – tests have demonstrated that they can be operated by a common AA battery.
In general, SSDs consume between 2 and 5 watts.
From the time they were built, HDDs have invariably been extremely electrical power–hungry devices. So when you’ve got a web server with many HDD drives, this will certainly add to the month to month utility bill.
On average, HDDs consume in between 6 and 15 watts.
5. CPU Power
The faster the data file access rate is, the sooner the data demands will be delt with. It means that the CPU do not need to hold allocations waiting for the SSD to answer back.
The standard I/O wait for SSD drives is barely 1%.
When using an HDD, you need to devote extra time looking forward to the outcome of your data ask. Because of this the CPU will continue to be idle for further time, waiting around for the HDD to reply.
The normal I/O wait for HDD drives is approximately 7%.
6.Input/Output Request Times
In real life, SSDs carry out as admirably as they managed during the trials. We competed a full platform backup using one of our own production web servers. All through the backup procedure, the typical service time for any I/O queries was indeed below 20 ms.
Compared to SSD drives, HDDs feature much reduced service rates for input/output queries. In a server backup, the normal service time for any I/O call ranges somewhere between 400 and 500 ms.
7. Backup Rates
Discussing back–ups and SSDs – we have witnessed an exceptional progress with the back up rate as we moved to SSDs. Right now, a usual hosting server back–up takes simply 6 hours.
Through the years, we’ve used mostly HDD drives on our servers and we’re familiar with their performance. With a hosting server built with HDD drives, a complete server backup normally takes about 20 to 24 hours.
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