Is there anything I can do about this extremely vague block of data that’s taking up 30% of my phone’s storage? Mind you, this isn’t the operating system itself, as that’s listed as its own category.
this post was submitted on 17 Oct 2025
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That's more for ram than SSD. Unnecessary ssd use wears it out.
Only for write operations. Reads are effectively free, and cached files are invariably predominantly read heavy.
Even then, the wear effects of writes on SSDs are exaggerated. Improvements in the technology and wear leveling have made them roughly as reliable as spinning disk.
For a phone, the storage is expected to remain viable beyond the expected usage lifetime of the device. It doesn't really matter if caching wears storage a little faster if the device is inoperable before it's a problem.
Also, it's not true for RAM either. The OS will automatically cache files as it sees fit. Helps with video players and the like.
how does that mean it’s not true for RAM tho? caching is about the time it takes to (compute and) load things into the RAM and RAM r/w operations are pretty much always faster than disk
Because the people that say "unused RAM is wasted RAM" have zero understanding of what file caching is and think that RAM only includes program data.
file caching is making use of unused ram which is what people mean by "unused ram is wasted ram". you are saying the same thing.
the SSD is not necessarily being "used" (written to) more here. The issue is that data isn't being cleared when OP wants, but that doesn't cause wear.