# Catalyst super slow with Live Visualization

**URL:** https://discourse.paraview.org/t/catalyst-super-slow-with-live-visualization/13694
**Category:** In Situ Support
**Created:** [January 14, 2024, 8:14pm UTC](https://discourse.paraview.org/t/catalyst-super-slow-with-live-visualization/13694 "2024-01-14T20:14:37Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![Juan\_Jose\_Casafranca](https://discourse.paraview.org/user_avatar/discourse.paraview.org/juan_jose_casafranca/32/3499_2.png) [@Juan\_Jose\_Casafranca](https://discourse.paraview.org/u/Juan_Jose_Casafranca)
#### Post date: [January 22, 2024, 5:46pm UTC](https://discourse.paraview.org/t/catalyst-super-slow-with-live-visualization/13694/5 "2024-01-22T17:46:28Z")

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I have been doing some more testing around this issue. Apparently, its related to [Problems with Catalyst2 and Paraview Live Visualization - #3 by Lucas\_Givord](https://discourse.paraview.org/t/problems-with-catalyst2-and-paraview-live-visualization/11401/3)

I produce data faster than ParaView can process it, and it freezes ParaView. Is there anyway to block the Catalyst pipeline until ParaView has finished processing the data?

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