Is BUFSIZ too small ?

[Ian Freislich]

"Poul-Henning Kamp" wrote:
> In message <200401192111.i0JLBYVk004060 at apollo.backplane.com>, Matthew Dillon
 w
> rites:
> >
> >:I noticed that we still have BUFSIZ in stdio.h defined to only 1024,
> >:and wonder if that should be increased these days.
> >:
> >:Is there anybody who could devise and run some benchmarks to find
> >:out what effect it would have to increase it to for instance 4096 ?
> >:
> >:-- 
> >:Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> >:phk at FreeBSD.ORG         | TCP/IP since RFC 956
> >
> >    Very few programs use BUFSIZ for the actual I/O ops [...]
> 
> I share many of your doubts, but I would still like to see some
> benchmarks :-)

Perhaps ftp is one of those things that uses BUFSIZ for the actual
I/O ops.  All of it's reads and writes if you truss it are 1024
bytes which impacts its performance (here at least).

--
Ian Freislich