On Wed, Nov 10, 2021 at 12:05:33AM -0500, Jan Schaumann via freebsd-net wrote:
> Mark Johnston wrote:
>
> > There is an additional factor: wasted space. When writing data to a
> > socket, the kernel buffers that data in mbufs. All mbufs have some
> > amount of embedded storage, and the kernel a
Mark Johnston wrote:
> There is an additional factor: wasted space. When writing data to a
> socket, the kernel buffers that data in mbufs. All mbufs have some
> amount of embedded storage, and the kernel accounts for that storage,
> whether or not it's used. With small byte datagrams there ca
On Tue, Nov 09, 2021 at 08:57:20PM -0500, Jan Schaumann via freebsd-net wrote:
> Hello,
>
> I'm trying to wrap my head around the buffer sizes
> relevant to AF_UNIX/PF_LOCAL dgram socketpairs.
>
> On a FreeBSD/amd64 13.0 system, creating a socketpair
> and simply writing a single byte in a loop t
Hello,
I'm trying to wrap my head around the buffer sizes
relevant to AF_UNIX/PF_LOCAL dgram socketpairs.
On a FreeBSD/amd64 13.0 system, creating a socketpair
and simply writing a single byte in a loop to the
non-blocking write end without reading the data, I can
perform 64 writes before causing
