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HaseebIqbal
Creator
Creator
‎2024-10-27 08:13 PM

What happens to Server CPU/RAM when multiple Tasks reads the same large QVD file

What happens to Server CPU/RAM when multiple Tasks reads the same large QVD file?

Platform: Qlik Sense Feb 2024 P5. Multi-Node windows server.

 

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MVP
MVP
‎2024-10-28 03:55 AM

A QVD file is just a file, and the data is getting dumped straight to memory (assuming it's an optimized load). Each read will take up separate resources but there shouldn't be any issue past that. Depending on your setup, the biggest limiting factor may be I/O, network, or CPU, with memory being whatever the app will be using to store the QVD's data, times the number of apps.

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mpc
Partner Ambassador
Partner Ambassador
‎2024-10-28 03:42 AM

Hi, 

AFAIK, Qlik will create a single thread by task, then CPU and RAM will be consumed by each tasks. 

Regards

From Next Decision and mpc with love
477 Views
Or
MVP
MVP
‎2024-10-28 03:55 AM

A QVD file is just a file, and the data is getting dumped straight to memory (assuming it's an optimized load). Each read will take up separate resources but there shouldn't be any issue past that. Depending on your setup, the biggest limiting factor may be I/O, network, or CPU, with memory being whatever the app will be using to store the QVD's data, times the number of apps.

475 Views