2 ms·
Copy-on-write means that it performs copy only when you make the first change (and only copies part that changes, rest is used from the original file), until th
by IsTom 2y ago
Copy-on-write means that it performs copy only when you make the first change (and only copies part that changes, rest is used from the original file), until then copying is free.
- mlhpdx 2y agoIs it file level or block level copy? The latter, I hope. Update: whoops, missed it in your comment. Block (changed bytes) level.