[mythtv-users] Streaming better than NFS

Brian Foddy bfoddy at visi.com
Wed Apr 2 03:32:11 UTC 2008


On Tuesday 01 April 2008, Michael T. Dean wrote:
> On 04/01/2008 11:16 PM, Brad DerManouelian wrote:
> > Brian Foddy wrote:
> >> Playing this weekend, I found the AlwaysStreamFiles setting, and even
> >> tho my FE has the single filesystem NFS always mounted, I decided to try
> >> it.  Partly, because I felt it might transfer some cpu load to the BE,
> >> and the files are all local on the BE.
> >>
> >> I found skipping, FF to be much more responsive than with NFS.  Overall
> >> FE cpu load was also lower.  Very little jitter after a FF that used to
> >> happen for a few seconds while it cached up the new location.
> >
> > Sounds like you didn't have your NFS stuff fully tuned. It's typically
> > set up for lots of tiny file transfers, not one or two huge files.
>
> Though, there is
> http://www.gossamer-threads.com/lists/mythtv/dev/237546#237546 ;
> however, I will admit that there hasn't been as much tuning as could be
> done.
>
> Mike
>
My NFS mounting params:
rsize=8192,wsize=8192,hard,intr,nfsvers=3,actimeo=0,tcp

Brian


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