what are the guarantees about what happens if a computer crashes during a write()? is it possible for the file to end up with corrupted data at the end, or is each byte of the write atomic?
-
I've seen it with text syslogs too. And of course when it happens to systemd-jourmald binary logs it just craps itself hard and refuses to load them.
Ah, here we go, some discussion about this with @tytso. data=ordered only guarantees you won't get *garbage* (e.g. leaked free disk blocks, which is a huge security issue), but you can still get zeroes. https://plus.google.com/+KentonVarda/posts/JDwHfAiLGNQ …
-
-
i told you about how macOS's hardware video decode driver used to allocate vmem for frames without zeroing it, right?
-
I'd say "nice", but really, this is the kind of crap I expect in, like, every proprietary GPU driver for everything. Performance!!!!!ʷʰᵃᵗ ᶦˢ ᵗʰᵃᵗ ˢᵉᶜᵘʳᶦᵗʸ ᵗʰᶦⁿᵍ ʸᵒᵘ ˢᵃʸ?
- Show replies
New conversation -
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.