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JustinDallas
Specialist III
Specialist III

Mashup-Multiple Users Using App = Multiple Copies?

Hello Folks,

TL;DR If 10 users use the same app in a mashup, does the server load 10 copies of the app into memory?  

We are going to use a mashup of sorts for our Qlik system, this app will have hundreds of users.  Some of the team has concerns that this the RAM usage = [Number of Users] x [Base Memory of App].  

 

I don't think this is the case since pre-loading wouldn't work as well (unless you had to specify the # of copies to preload).

What does the actual documentation say about this?

 

Any help is greatly appreciated.

Labels (2)
1 Reply
rwunderlich
Partner Ambassador/MVP
Partner Ambassador/MVP

Qlik never loads more than one copy of an App on a Qlik server. The app data is shared between all users sessions

Qlik uses some additional State memory for each user to track selections for that user. The required State memory is one byte for each distinct field value in the app plus one byte for each table row. If using alternate states, multiply that number by the number of states.

You can of course see those numbers in my product QSDA Pro 😉

-Rob
http://www.easyqlik.com
http://masterssummit.com
http://qlikviewcookbook.com