[mythtv-users] OT: NFS craziness

Nick Rout nick.rout at gmail.com
Tue Jul 15 02:50:00 UTC 2008

On Tue, Jul 15, 2008 at 1:10 PM, Roger Heflin <rogerheflin at gmail.com> wrote:
> Ronald Frazier wrote:
>>> I would also lose the rsize/wsize setting or at least change it to 32768 as 8192
>>> has not been an optimal setting for several years, any options that you read
>>> with the stuff that said to use 8192 are likely suspect.
>> Then who maintains the documentation? Because 8192 is still listed here:
>> http://www.mythtv.org/docs/mythtv-HOWTO-23.html#ss23.10
> I did not get the stuff from the mythtv stuff, I got it from the NFS groups
> stuff, I patched kernels 7 years ago so I could run 32k because it was faster
> than 8k on the same network (by a decent amount).
> If someone is going to change the howto it I would strongly suggest having
> someone try with no rsize/wsize option first, and if that works fine (and it
> likely will) then leave it, if it fails then other things may be tried.   The
> only condition were 8192 should work better is if the network it is working on
> is losing a lot of packets, or if the specific network card is unable to process
> 32k of data at one shot (mvpmc embedded set top box has a really really cheap
> nic it in and cannot deal with >4k-much cheaper than any cheap PCI/MB nic card),
> and there really is no reason to be putting all of these specific options unless
> the specific setup has something about it that requires it (and almost no setup
> would need that setting).
> And a number of the howto's (everyone's not just mythtv) have questionable
> value, just because they don't get updated often enough or ever, and are now
> just plain wrong.
>                              Roger

Compunded by the fact that people don't date their entries and/or
refer to version  numbers.

More information about the mythtv-users mailing list