For years there seemed to be only 1 reputable path to store data on a personal computer – utilizing a disk drive (HDD). Nevertheless, this type of technology is presently displaying its age – hard disks are noisy and sluggish; they are power–ravenous and have a tendency to produce a great deal of heat in the course of serious procedures.
SSD drives, in contrast, are quick, use up much less energy and tend to be far less hot. They furnish a new approach to file access and data storage and are years in front of HDDs when considering file read/write speed, I/O operation and then energy capability. See how HDDs stand up against the modern SSD drives.
1. Access Time
Because of a radical new solution to disk drive operation, SSD drives enable for considerably quicker file accessibility rates. Having an SSD, data accessibility instances are much lower (under 0.1 millisecond).
HDD drives depend on rotating disks for data storage purposes. Every time a file is being used, you need to await the right disk to reach the right position for the laser to access the file involved. This leads to an average access speed of 5 to 8 milliseconds.
2. Random I/O Performance
Resulting from the unique significant data storage approach shared by SSDs, they give you faster file access rates and better random I/O performance.
During our tests, all SSDs confirmed their capacity to deal with at the very least 6000 IO’s per second.
During the exact same lab tests, the HDD drives demonstrated to be much slower, with simply 400 IO operations handled per second. Even though this may appear to be a good deal, when you have a hectic server that serves a great deal of well–known sites, a slow hard disk drive could lead to slow–loading websites.
SSD drives are designed to have as fewer moving parts as is practical. They use an identical concept like the one employed in flash drives and are generally much more reliable rather than classic HDD drives.
SSDs offer an typical failing rate of 0.5%.
As we have mentioned, HDD drives depend on spinning hard disks. And something that uses a lot of moving components for extented intervals is more prone to failure.
HDD drives’ normal rate of failure ranges among 2% and 5%.
4. Energy Conservation
SSD drives function nearly silently; they don’t produce excessive warmth; they don’t involve extra chilling alternatives as well as use up less electricity.
Trials have established the average electricity intake of an SSD drive is somewhere between 2 and 5 watts.
HDD drives are renowned for being noisy. They want further power for air conditioning reasons. On a hosting server which includes lots of HDDs running continually, you need a great deal of fans to keep them cooler – this makes them a lot less energy–efficient than SSD drives.
HDDs consume between 6 and 15 watts.
5. CPU Power
Thanks to SSD drives’ greater I/O effectiveness, the leading server CPU can easily process data file calls a lot quicker and save time for other operations.
The common I/O delay for SSD drives is 1%.
As compared to SSDs, HDDs enable not so quick data access speeds. The CPU will be required to lose time waiting for the HDD to return the demanded file, reserving its assets for the time being.
The normal I/O wait for HDD drives is about 7%.
6.Input/Output Request Times
It’s time for some real–world illustrations. We produced a full system backup on a web server only using SSDs for file storage purposes. During that procedure, the standard service time for an I/O request stayed beneath 20 ms.
Compared to SSD drives, HDDs offer noticeably reduced service rates for I/O queries. Throughout a hosting server backup, the regular service time for any I/O request ranges somewhere between 400 and 500 ms.
7. Backup Rates
Discussing backups and SSDs – we have discovered an amazing development in the back–up speed since we switched to SSDs. Today, a normal server back up can take just 6 hours.
Through the years, we have utilized largely HDD drives on our servers and we are familiar with their performance. With a web server equipped with HDD drives, a complete web server data backup will take around 20 to 24 hours.
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