Re: [dvd::rip] Cluster-Mode / AudioTrack

This is because you've likely selected ogg vorbis for audio. As this
codec does not produce exact file sizes, dvdrip has to do the audio
first, as dvdrip doesn't support splicing of audio files. See if you get
better/different results using mp3.

Don't forget there is some audio processing at the end, but this is just
merging the video and audio into one file. This will happen fastest on
the NFS node if you don't have a network as fast as the filesystem. I
can't explain the performance loss you experience having the NFS node
also encoding -- it works fine for me. I would suggest this is an OS
issue. What OS are you running?

Additionally, there is no way to specify which jobs/tasks to run on
which node. The only thing dvdrip does in this regard is giving audio
and file merging tasks to the machine to which filesystem is local (i.e.
the NFS server.), which may also be why audio is happening last --
dvdrip is looking for the filesystem node and isn't finding it.

Mark

PS. I'm envious of your cluster.

On Thu, 2004-01-15 at 10:24, dvdrip wrote:
> Hi folks,
> 
> i'm running dvd::rip (0.50.16) in cluster-mode with the following
> configuration:
> 
> - 1 machine acts as nfs-server (does nothing else for dvd::rip)
> - 4 diskless-machines acting as transcode-nodes
> - 1 standard-machine acting as transcode-node
> - 1 standard-machine w/ dvd-drive acts as control-station AND as node
> 
> All machines shares the nfs-drive (there is no local-drive configured)
> After ripping the DVD i can add the project to the cluster and start
> encoding.
> Good news: All engines were running very well with at least 25-70 fps
> per node. All video-chunks were transcoded (avi/ffmpeg) really fast.
> But: The audio-track still is transcoded as the last job even if it
> is the first job on the list. All nodes went to idle-state waiting
> for the audio-job. So, how can i treat the audio-job that way, that
> it will be transcoded first? And how can i setup this job to be done
> on a specific (the fastest) node?
> 
> Next question: When i setup the nfs-server to act as a node too and
> mark in the node-configuration that is has a local-drive, all other
> nodes will suffer at 2-4 fps! Why?
> 
> Cheers and thanks for help
> -Rolf
> 
> 
> @Joern: Thanks for dvd::rip - cool software which is able to make
> my cluster hot
> 
> 
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