Steam downloads cpu spikes, need help!

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pinoyguyben

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Mar 31, 2013
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So recently whenever I try to download something off of steam it seems to spike my cpu usage to 100%.
Which is bizarre considering this has never happened to me before, and I did a test where I downloaded something on Chrome, Origin, and Uplay. All of them had no problems, so I've come to the conclusion that steam is the only thing giving me this issue.
Any help would be appreciated, can post screen shots if needed.

Will post additional information if needed.
 
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The only thing that comes to mind is the HDD that's starting to fail (unlikely, if other clients run fine, as you stated) or that's too fragmented (much more likely).

I believe Steam recently changed the way it handles downloaded data as well. It seems like it used to write stuff directly on disk, while it now buffers data in memory and eventually offloads the writing-to-disk process to the CPU in a separate context. Mind you, although, that I'm going full hypothetical here.

In any case, I'd leave the system on overnight and run a defrag, if you never ran one since you bought the PC or if 1~2 years passed since the last time you did one. Out of personal taste, I also recommend using a defrag utility such as Defraggler rather than the...
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Vynavill

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Nov 30, 2013
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The only thing that comes to mind is the HDD that's starting to fail (unlikely, if other clients run fine, as you stated) or that's too fragmented (much more likely).

I believe Steam recently changed the way it handles downloaded data as well. It seems like it used to write stuff directly on disk, while it now buffers data in memory and eventually offloads the writing-to-disk process to the CPU in a separate context. Mind you, although, that I'm going full hypothetical here.

In any case, I'd leave the system on overnight and run a defrag, if you never ran one since you bought the PC or if 1~2 years passed since the last time you did one. Out of personal taste, I also recommend using a defrag utility such as Defraggler rather than the official Microsoft/UNIX utility you may have.
Do this on the HDD only, as SSDs, if you own any, don't need such treatment.
 
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