SSD defrag - improved performance significantly

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longstorm

longstorm

Honorable
Dec 1, 2013
11
0
10,510
I recently ran samsung magician to test my SSD speed (256GB 840 Pro). It showed a 330MB/s read, which is much slower than it originally performed. I ran optimization and deleted some files, still about the same. I defragged it and got 533 MB/s read. Back to factory performance.

People have said not to defrag, I may have shortened the life slightly, but I also improved the performance significantly.
 
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DarkSable

DarkSable

Judicious
Sep 27, 2012
8,890
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The best that might have happened is there were a few blocks that weren't written quite correctly, so it was having to use error correction every time it read those blocks.

Go research what defragging is and why it physically makes zero difference to a SSD. The reason it matters to a hard drive is because it uses a physical, spinning disk, and so the head has to wait for the data to be under it to read - if the blocks are all sequential, there's far less waiting time between reads. A ssd is entirely digital. There's no physical movement whatsoever... thus defragging is just causing a significant number of writes... for zero reason.
 
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longstorm

longstorm

Honorable
Dec 1, 2013
11
0
10,510
I know how it works, I'm not worried about ever hitting the max writes for this drive or any portion of it. I wonder if the increase in speed is that simple and not due to the drive finding files faster, using the now empty chips to boost performance, etc.
 
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