Re: How can I bypass the buffer cache or disable it for a process?

Reply: Michael Schuster : "Re: How can I bypass the buffer cache or disable it for a process?"
In reply to: Friedrich Doku : "How can I bypass the buffer cache or disable it for a process?"
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From: Bob Bishop <rb_at_gid.co.uk>
Date: Wed, 05 Aug 2026 23:24:02 UTC

Hi,

> On 4 Aug 2026, at 23:45, Friedrich Doku <friedrichdoku2030@u.northwestern.edu> 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”.

What are you trying to achieve exactly?

> Best,
> Friedrich

--
Bob Bishop
rb@gid.co.uk