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Opened by Utkarsh Ayachit@utkarsh.ayachit⛰
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too many update information requests

As I am adding logging support to ParaView, simple tasks can cause too many update-pipeline-information requests. While these are often no-ops, they can slow the UI down when in client-server configurations. We should look into it.

Here's the log on simply changing the Clip plane and hitting Apply.

(  27.035s) [paraview        ]   vtkSISourceProxy.cxx:229   INFO| { Clip1: update pipeline(0, 0.000000, true) 
(  27.036s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| .   { execute vtkPVMetaClipDataSet id: 6663
(  27.037s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| .   } 0.001 s: execute vtkPVMetaClipDataSet id: 6663
(  27.037s) [paraview        ]   vtkSISourceProxy.cxx:229   INFO| } 0.002 s: Clip1: update pipeline(0, 0.000000, true) 
(  27.043s) [paraview        ]   vtkSISourceProxy.cxx:229   INFO| { Clip1: update pipeline(0, 0.000000, true) 
(  27.044s) [paraview        ]   vtkSISourceProxy.cxx:229   INFO| } 0.000 s: Clip1: update pipeline(0, 0.000000, true) 
(  27.046s) [paraview        ]   vtkSISourceProxy.cxx:229   INFO| { Clip1: update pipeline(0, 0.000000, true) 
(  27.046s) [paraview        ]   vtkSISourceProxy.cxx:229   INFO| } 0.000 s: Clip1: update pipeline(0, 0.000000, true) 
(  27.443s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| { update pipeline information vtkArrowSource id: 6723
(  27.443s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| } 0.000 s: update pipeline information vtkArrowSource id: 6723
(  27.444s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| { update pipeline information vtkConeSource id: 6734
(  27.444s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| } 0.000 s: update pipeline information vtkConeSource id: 6734
(  27.445s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| { update pipeline information vtkCubeSource id: 6745
(  27.445s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| } 0.000 s: update pipeline information vtkCubeSource id: 6745
(  27.446s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| { update pipeline information vtkCylinderSource id: 6756
(  27.446s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| } 0.000 s: update pipeline information vtkCylinderSource id: 6756
(  27.447s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| { update pipeline information vtkLineSource id: 6767
(  27.448s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| } 0.000 s: update pipeline information vtkLineSource id: 6767
(  27.449s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| { update pipeline information vtkSphereSource id: 6778
(  27.449s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| } 0.000 s: update pipeline information vtkSphereSource id: 6778
(  27.450s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| { update pipeline information vtkGlyphSource2D id: 6789
(  27.450s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| } 0.000 s: update pipeline information vtkGlyphSource2D id: 6789
(  27.451s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| { update pipeline information vtkPassThrough id: 6800
(  27.451s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| } 0.000 s: update pipeline information vtkPassThrough id: 6800
(  27.546s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| { update pipeline information vtkPVMetaClipDataSet id: 6663
(  27.546s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| } 0.000 s: update pipeline information vtkPVMetaClipDataSet id: 6663
(  27.547s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| { execute vtkGeometryRepresentationWithFaces id: 6869
(  27.548s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| } 0.001 s: execute vtkGeometryRepresentationWithFaces id: 6869
(  27.549s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| { execute vtkPVExtractSelection id: 6664
(  27.549s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| } 0.000 s: execute vtkPVExtractSelection id: 6664
( 113.068s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| { update pipeline information vtkPVMetaClipDataSet id: 6663
( 113.068s) [paraview        ]   vtkSISourceProxy.cxx:268   INFO| } 0.000 s: update pipeline information vtkPVMetaClipDataSet id: 6663
( 113.070s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| { execute vtkPVMetaClipDataSet id: 6663
( 113.071s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| } 0.001 s: execute vtkPVMetaClipDataSet id: 6663
( 113.071s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| { execute vtkGeometryRepresentationWithFaces id: 6869
( 113.074s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| } 0.002 s: execute vtkGeometryRepresentationWithFaces id: 6869
( 113.075s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| { execute vtkPVExtractSelection id: 6664
( 113.075s) [paraview        ]   vtkSISourceProxy.cxx:308   INFO| } 0.000 s: execute vtkPVExtractSelection id: 6664

Notice the 3 UpdatePipeline requests on Clip itself and several update information requests.

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