3 ms·

That's what mmap is for.

• deleted 5y ago
  [deleted]
• haydnv 5y ago
  It might be possible to replace freqfs with mmap on a POSIX OS, but a) you would still have to implement your own read-write lock, and b) you would (I think probably?) lose some consistency in behavior across different host operating systems.
  • gpderetta 5y ago
    mmaps for read, explicit API for writing, a-la LMDB. Buggy readers can read inconsistent data but cannot corrupt the os.
    • otterley 5y ago
      Corrupt the OS? How might that happen?
      • gpderetta 5y ago
        Sorry, I meant the DB!
  • vlovich123 5y ago
    Which OSes does this run on that doesn’t have some kind of mmap operation?
    • haydnv 5y ago
      It should work on Windows (because tokio::fs works on Windows) although I have not personally tested this
      • julian37 5y ago
        You can do mmap on Windows, eg. https://github.com/danburkert/memmap-rs https://github.com/danburkert/memmap-rs