For many years there seemed to be a particular trustworthy way to store info on a pc – by using a hard drive (HDD). Nonetheless, this kind of technology is presently displaying its age – hard disks are loud and slow; they’re power–hungry and are likely to produce lots of heat for the duration of intense procedures.

SSD drives, in contrast, are really fast, use up a lot less energy and are also far less hot. They feature a whole new approach to file access and data storage and are years ahead of HDDs when it comes to file read/write speed, I/O efficiency and then power effectivity. Discover how HDDs fare up against the modern SSD drives.

1. Access Time

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With the launch of SSD drives, data access speeds are now tremendous. Because of the new electronic interfaces made use of in SSD drives, the average data access time has shrunk towards a record low of 0.1millisecond.

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The technology powering HDD drives times all the way to 1954. And although it has been significantly refined over time, it’s nonetheless can’t stand up to the inventive technology driving SSD drives. Having today’s HDD drives, the top file access speed you can actually attain varies between 5 and 8 milliseconds.

2. Random I/O Performance

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The random I/O performance is really important for the overall performance of any data file storage device. We’ve executed extensive tests and have established that an SSD can handle at the least 6000 IO’s per second.

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Throughout the very same tests, the HDD drives demonstrated to be significantly slower, with 400 IO operations handled per second. Although this may seem like a great number, for those who have a hectic web server that hosts plenty of well known web sites, a slow hard disk drive may lead to slow–loading sites.

3. Reliability

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SSD drives don’t have any kind of rotating elements, which means there’s far less machinery included. And the less physically moving elements there are, the fewer the chances of failing are going to be.

The regular rate of failing of any SSD drive is 0.5%.

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As we have previously observed, HDD drives depend on spinning disks. And anything that takes advantage of plenty of moving elements for continuous time frames is more prone to failing.

HDD drives’ regular rate of failure varies between 2% and 5%.

4. Energy Conservation

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SSDs don’t have moving elements and require almost no cooling power. They also involve a small amount of electricity to work – lab tests have established that they’ll be powered by a normal AA battery.

As a whole, SSDs take in somewhere between 2 and 5 watts.

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From the moment they were constructed, HDDs have been really electrical power–ravenous products. When you have a server with different HDD drives, this will raise the regular electric bill.

On average, HDDs use up in between 6 and 15 watts.

5. CPU Power

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As a result of SSD drives’ better I/O performance, the main server CPU can process file requests a lot quicker and save time for additional procedures.

The average I/O wait for SSD drives is just 1%.

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HDD drives enable sluggish access speeds compared to SSDs do, resulting in the CPU needing to delay, while saving resources for your HDD to locate and return the requested data file.

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

6.Input/Output Request Times

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The vast majority of our brand new web servers now use only SSD drives. Our own lab tests have indicated that using an SSD, the typical service time for any I/O request although building a backup continues to be below 20 ms.

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Compared to SSD drives, HDDs offer considerably slower service times for I/O calls. In a server backup, the standard service time for any I/O call ranges somewhere between 400 and 500 ms.

7. Backup Rates

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Discussing back ups and SSDs – we have detected an exceptional improvement in the back–up speed as we transferred to SSDs. Today, a normal web server back up can take merely 6 hours.

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In contrast, on a server with HDD drives, an identical back–up takes 3 to 4 times as long to finish. An entire back–up of an HDD–equipped web server often takes 20 to 24 hours.

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