![]() And you'll be doing much much more reading than you'll do seeking when you're looking for a keyword in file contents on an unindexed drive. Seek times of SSDs are a couple of orders of magnitude lower than hard drives, but their read speeds are better only by a factor of 2 or 3 (and sometimes not even that much). You also need to read the contents of each file to see if there is a match. Finding a keyword in a file on an unindexed drive is not a matter of merely quickly seeking to a number of files.That makes no sense to me and I'm beginning to wonder if I'm the only one. ![]() It turns out that defragging an SSD can shorten its life SSD Performance and DefragmentationĪs we’ve just seen, the whole reason fragmentation affects mechanical hard drive performance is because it adds more and more mechanical latency to the process, as the heads madly jump around to find the different parts of your files.Typically, the reason stated for disabling Windows indexing on an SSD is that "the seek times on SSD drives are so fast that you don't need indexing". The second reason has to do with the health of your SSD. The first relates to the lack of performance benefits, which is, after all, the entire point of defragmentation. With all of that preamble out of the way, we get to the main question – do you need to defrag an SSD? The short answer is no. So in the end, even defragging a modern drive probably won’t result in any noticeable performance gains. Modern mechanical hard drives themselves have large buffers, that can smooth out the mechanical limitations of their design. So much so, that the effects of fragmentation really aren’t worth the bother in most cases.Ĭomputers also have so much RAM these days, that operating systems can cache information from the drive. ![]() ![]() Much higher data density, more heads, more platters, higher RPMs and better drive electronics have all made new hard drives much faster. You see, mechanical drives have become significantly faster and more efficient over the years. However, on heavily fragmented drives it could make a noticeable difference to system responsiveness. When you defragment a drive, the computer reshuffles all its data, using the free space on the drive as sorting space. ![]()
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