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this post was submitted on 07 Mar 2024
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It's used for updates. I'm not sure if it works all the time.
I think that it used to be called
superfetchin the old days. https://answers.microsoft.com/en-us/windows/forum/all/superfetch-service-disable-helps-to-increase-speed/3c4d5b4b-edef-4eb7-9456-52fd304e606cIf you're using an "unofficial" license, it's probably normal to disable updates and afferent services.
I remember from years ago when I was modding Windows XP installations with nLite to try to purge all the unnecessary bits and install some useful stuff. Superfetch was this annoying service that supposedly ruined online gaming due to lag. :)
Prefetch and superfecth are just obnoxious services that waste disk space. You can safely disable them, there is no downside to not using prefetch or superfect on modern SSDs. On regular spinning drives, yes, they did make loading programs a bit faster.
Superfetch was keeping an index of file relationships in RAM and pre-loading files you were probably going to use next. It didn't ping your network at all, but it could easily eat up a ton of disk resources and RAM. It was really only an issue on old 5400rpm laptop HDDs from what I remember.
Might be thinking of windows search indexing.
Yes, disable Windows search indexing as well. No point in having that on an SSD, it's pointless, it just wastes disk space.