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Obsidian can't handle several thousand of notes
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this post was submitted on 26 Jul 2024
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This. I also wonder when people will realize that having more RAM doesn't mean having to use it all (electron, looking at you)
I think most operating systems today are designed to make opportunistic use of available RAM but also fuck electron
Yes, it's called page cache and you won't find a mainstream operating system without it.
I regularly get to a 30gb page file on my desktop though...it has sufficient space but still
That's a different mechanism. A "page" is just a fixed-size portion of memory, e.g. 4 KiB, which is a convenient size for your OS to do its whole memory management with. And then there's many things the OS does with such pages.
Page caching keeps files that processes loaded from your hard drive in RAM, after the process doesn't need it anymore.
What you're referring to is kind of the opposite. The OS allows processes to reserve more memory than there is physically available. This is called "virtual memory".
When processes do that, then some of those ~~portions of memory~~ pages get put onto your hard drive, and only get put back into RAM (replacing something else) when the process actually accesses those pages.
The fundamental result isn't much different, there's 30 GB of populated memory being sent to disk because these apps all over allocate and the os insists on sending it to disk even with 40% of real ram free.
Caching and Electron are two vastly different things.
What they're saying is that because of this caching, unused RAM is essentially just not a thing. Any process using lots of RAM will slow down everything else on your PC.
I was mainly just making a playful remark about electron being stinky
It's still not the same. The caches can be quickly evicted, but the RAM hoarded by a shitty app cannot be reclaimed without killing the app.
Edit: downvotes, no replies. Y'all just salty that I'm right?
ok?