How long of a presentation? Chris
> We also discovered a problem with long presentations with lots of > slides in a late 1.3 beta - I think it may affect 1.2 (it was fixed > for the 1.3 release). Basically when the workflow gets to create the > segmented video it requests the md5 sum of the file * the number of > segments. The md5 was being calculated (it wasn't stored) causing the > cp on the admin node to max out and the service to become > unresponsive ... > > D > > On 04/11/2012 07:39 PM, Jack Vant wrote: > > We have five machines involved in our Matterhorn installation, an > > admin machine, a worker that does the encoding, a dedicated engage > > server and 2 streaming servers behind a load balancer. We do use > > shared (nfs mounted) storage. We are version 1.2. What do you mean > > by "have been build with the > >> workspace --rather than the workspace-stub -- profile"? > > 2012/4/11 Rubén Pérez<[email protected]>: > >> In some cases there are problems with files bigger than 2GB. > >> Sometimes those errors are avoidable, sometimes aren't. I > >> corrected myself a couple of bugs in the WorkingFileRepository > >> service (I think that was the part, but at least it was related), > >> which directly affected the processing of videos (trimming them to > >> 2GB if they were bigger). This is fixed in trunk, but did not make > >> it to 1.3 . > >> > >> I wonder which version are you using and if *all* the machines in > >> your setup use a shared drive to process the videos (and have been > >> build with the workspace --rather than the workspace-stub -- > >> profile). > >> > >> Regards > >> > >> 2012/4/11 Jack Vant<[email protected]> > >>> We have a professor here who utilizes Powerpoint presentations > >>> with large numbers of slides and imbedded in the presentations > >>> are youtube videos, so the track for the presentation video is > >>> quite large, 1.2 gigs on average. Several of her captures have > >>> failed during processing and reingestion fails and the mpg for > >>> the presenter computer is blamed. The last two lectures for this > >>> class processed just fine but the last 10 minutes of one lecture > >>> and the last 5 minutes are not viewable, the video freezes and > >>> the audio along with it. These lectures are an hour and 15 > >>> minutes. Have we hit some threshold? > >>> > >>> -- > >>> Jack Vant > >>> System Engineer - Unix > >>> Office of Information Technology > >>> Boise State University > >>> 208-426-4446 > >>> 208-863-0031 > >>> _______________________________________________ > >>> Matterhorn-users mailing list > >>> [email protected] > >>> http://lists.opencastproject.org/mailman/listinfo/matterhorn-users > >> > >> > >> _______________________________________________ > >> Matterhorn-users mailing list > >> [email protected] > >> http://lists.opencastproject.org/mailman/listinfo/matterhorn-users > >> > > > > > > _______________________________________________ > Matterhorn-users mailing list > [email protected] > http://lists.opencastproject.org/mailman/listinfo/matterhorn-users -- Christopher Brooks, BSc, MSc ARIES Laboratory, University of Saskatchewan Web: http://www.cs.usask.ca/~cab938 Phone: 1.306.966.1442 Mail: Advanced Research in Intelligent Educational Systems Laboratory Department of Computer Science University of Saskatchewan 176 Thorvaldson Building 110 Science Place Saskatoon, SK S7N 5C9 _______________________________________________ Matterhorn-users mailing list [email protected] http://lists.opencastproject.org/mailman/listinfo/matterhorn-users
