Re: How can I bypass the buffer cache or disable it for a process?
Michael Schuster <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.hackers |
|---|---|
| Message-ID | <CADqw_gKZHSeJOW6PKfuSe7ZHitCtiBEQZ8G-hHbQDsu-eBAowA@mail.gmail.com> |
On Thu, 6 Aug 2026, 01:24 Bob Bishop, <[email protected]> wrote: > Hi, > > On 4 Aug 2026, at 23:45, Friedrich Doku < > [email protected]> wrote: > > Hello, > > Is there a way to reliably run a single userspace process such that all of > its I/O (reads and writes) bypasses the UFS buffer cache? > > > The short answer is probably “no”. > Doesn't FreeBSD support direct I/O? -- Michael > What are you trying to achieve exactly? > > Best, > Friedrich > > > -- > Bob Bishop > [email protected] > > > > >