[Paraview] Using paraview with pvserver

[Utkarsh Ayachit]

Patrick.

To test of the parallel version is built and running/rendering
correctly, try this: simply create a Sphere from the Sources menu
(+Apply). Next create the "Process ID Scalars" filter from the Filters
menu. You should see the sphere colored in 4 colors. If that works,
all's well. Also, go the Settings dialog, on the Render View | Server
Page, set the Remote Render Threshold to 0. That will ensure the use
of parallel rendering, always.

The 100% CPU usage is expected. That's a OpenMPI thing. Refer to
http://www.open-mpi.org/community/lists/users/2009/04/9017.php

What type of datafile are you trying to load?

Utkarsh

On Tue, Mar 5, 2013 at 9:22 AM, Patrick Begou <Patrick.Begou at hmg.inpg.fr> wrote:
> Hi,
>
> I've posted this mail on vtk forum (as I had understood that paraview is
> built on VTK), but it seams it was not the right place and they suggest me
> to use this one.
>
> I am trying to set up a client/server config with paraview 3.98.1.
> The client is an OpenSuse desktop runing the binary distribution of paraview
> 3.98.1 for x86_64.
> The server is an EL6 cluster frontend, with a basic graphics board (runing
> X11), 12 cores and 20Tb for storage. I've build paraview 3.98.1 from sources
> for this host with openMPI.
>
> 1) runing paraview on the server from the client in a "ssh -XC" connection
> works
> 2) runing a sequential pvserver on the server and paraview on the client
> works
>
> but runing pvserver in parallel on the server does'nt.
> If I launch :
> mpirun -np 4 /share/apps/paraView-server-3.08.1/bin/pvserver
> (with or without --use-offscreen-rendering) it crashes after loading the
> datas, while rendering (I think).
>
> On the client the message is:
> ERROR: In
> /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/VTK/Parallel/Core/vtkSocketCommunicator.cxx,
> line 812
> vtkSocketCommunicator (0x177a380): Could not receive tag. 188969
>
> On the server, the message is:
> mpirun noticed that process rank 2 with PID 25736 on node kareline exited on
> signal 9 (Killed).
>
> I also noticed some strange behavior:
> 1) after selecting the file to read and before  clicking on the apply
> button, 3 of the 4 pvserver processes use 100% cpu.
> 2) after clicking the apply button, the 4 pvserver processes uses the same
> memory amount than the sequential run (8Gb each)
> So I think something is wrong in building my parallel version.
>
> Thanks for your help
>
> Patrick
>
> Details of my install:
>
> I've build paraview 3.98 from sources folowing
> http://paraview.org/Wiki/ParaView/ParaView_And_Mesa_3D:
>
> 1) build of Mesa-7.11.2 with:
> ./configure --with-driver=osmesa --prefix=/share/apps/paraView-server-3.98.1
> make
> make install
>
> 2) build paraview with:
> mkdir ParaView-3.98.1-build
> cd ParaView-3.98.1-build
> ccmake28 -D PARAVIEW_BUILD_QT_GUI:BOOL=OFF -D VTK_USE_X:BOOL=OFF -D
> VTK_OPENGL_HAS_OSMESA:BOOL=ON /home/makerpm/PARAVIEW/ParaView-3.98.1-source
>
> and set
>  PARAVIEW_BUILD_QT_GUI = OFF
>  OPENGL_INCLUDE_DIR = /share/apps/paraView-server-3.98.1/include
>  OPENGL_gl_LIBRARY =
>  OPENGL_glu_LIBRARY = /share/apps/paraView-server-3.98.1/lib/libGLU.so
>  VTK_OPENGL_HAS_OSMESA = ON
>  OSMESA_INCLUDE_DIR = /share/apps/paraView-server-3.98.1/include
>  OSMESA_LIBRARY = /share/apps/paraView-server-3.98.1/lib/libOSMesa.so
>  VTK_USE_X = OFF
>  PARAVIEW_USE_MPI=ON
>
> make
> make install
>
> --
> ===============================================================
> |  Equipe M.O.S.T.         | http://most.hmg.inpg.fr          |
> |  Patrick BEGOU           |       ------------               |
> |  LEGI                    | mailto:Patrick.Begou at hmg.inpg.fr |
> |  BP 53 X                 | Tel 04 76 82 51 35               |
> |  38041 GRENOBLE CEDEX    | Fax 04 76 82 52 71               |
> ===============================================================
>
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