# Pvserver is slower than local paraview for opacity

**URL:** https://discourse.paraview.org/t/pvserver-is-slower-than-local-paraview-for-opacity/14018
**Category:** ParaView Support
**Created:** [February 26, 2024, 3:43am UTC](https://discourse.paraview.org/t/pvserver-is-slower-than-local-paraview-for-opacity/14018 "2024-02-26T03:43:56Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Kim\_Namhyun](https://discourse.paraview.org/user_avatar/discourse.paraview.org/kim_namhyun/32/13217_2.png) [@Kim\_Namhyun](https://discourse.paraview.org/u/Kim_Namhyun)
#### Post date: [February 26, 2024, 3:43am UTC](https://discourse.paraview.org/t/pvserver-is-slower-than-local-paraview-for-opacity/14018/1 "2024-02-26T03:43:56Z")

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Hi all,

I just wonder if it is normal that pvserver(MPI, parallel) is slower than local paraview(1 process) when I set opacity with multiblock inspector.

It seems like fetch all data from servers when opacity is changed.  
However, local paraview is fast and smooth.

Can someone explain if it is normal?

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<div class="post-metadata">

### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [February 26, 2024, 1:26pm UTC](https://discourse.paraview.org/t/pvserver-is-slower-than-local-paraview-for-opacity/14018/2 "2024-02-26T13:26:33Z")

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> [@Kim\_Namhyun](#):
>
> I just wonder if it is normal that pvserver(MPI, parallel) is slower than local paraview(1 process) when I set opacity with multiblock inspector.

Hi,

Please share data and steps to reproduce

Best,