topic Re: Load balancing qvp://, is that possible in QlikView

Load balancing qvp://, is that possible

Mon, 26 Jan 2026 18:19:17 GMT

So, vi have 3 QVS behind a load balancer. When going via LB address (https://load-balancer/qlikview) everything works just fine, the 3 servers have equally load.

Then we have some (quite a few) users that like QV Desktop, using qvp://. They have to go directly to one of our servers.

Now, is there a way to load balance that protocol as well?

I've heard it's not working, is that true?

Re: Load balancing qvp://, is that possible

whiteline — Mon, 17 Feb 2014 20:56:11 GMT

Hi.

It's not a very nice solution, but you can always try something like this:

Round-robin DNS

Re: Load balancing qvp://, is that possible

Peter_Cammaert — Tue, 18 Feb 2014 14:56:29 GMT

I guess so, but not through QlikView.

In a regular setup like your current one, it is the AccessPoint web server that load balances requests to multiple QlikView servers. QVWS has this feature built-in.

However, when you use a desktop client with a qvp URL, you are directing your desktop client straight to a specific QVS, and gone is your load balancing opportunity.

However, there is a lower level-solution to this called Network Load Balancing. It's not software based, but utilizes a specific load-balancing network router. For some minimal specifics, consult the QlikView Server Reference Manual Chapter 17.

Good luck,

Peter

Re: Load balancing qvp://, is that possible

jerrysvensson — Tue, 18 Feb 2014 15:27:41 GMT

Hi Svante

Are running your QVS machine in one clustersetup or are they single machines?

Re: Load balancing qvp://, is that possible

Wed, 19 Feb 2014 09:14:38 GMT

Hi all... thanks for input.

missed some info.

The 3 servers are in a cluster and all of them have QVS, QSS (qv settings service), running IIS.

So, first there is a seperate LB (hardware) that redirects traffic to the 3 IIS.

And:

Is it possible to 'Open In Server...' and lease license when you go via a LB instead of direct to a server?

Re: Load balancing qvp://, is that possible

jerrysvensson — Wed, 19 Feb 2014 09:35:43 GMT

What happens if you do qvp://<clustername> ?

Re: Load balancing qvp://, is that possible

Peter_Cammaert — Wed, 19 Feb 2014 10:21:49 GMT

Maybe it's as simple as configuring the LB hardware to loadbalance sessions on port 4747 as well?

Peter

Re: Load balancing qvp://, is that possible

Bill_Britt — Wed, 19 Feb 2014 13:15:48 GMT

Hi,

I would setup the accesspoint in the Desktop version so connect there first and when they click on the document it should work.

Bill

Re: Load balancing qvp://, is that possible

Mon, 24 Feb 2014 10:20:46 GMT

Got mail from Qlik and this is not something they support, but here's how it could be done.

""QV.exe is not able to use load balancing unless you use the Settings\User Preferences\Locations tab to configure the AccessPoint URL and then use the Tools\Open AccessPoint option there, then it can load balance, but what is going on in the backend is the AccessPoint pages are actually handling the load balancing at that point, whereas File\Open in Server is a direct QVP URL call to QVServer, and bypasses the web server/AccessPoint completely. "

Re: Load balancing qvp://, is that possible

Peter_Cammaert — Mon, 24 Feb 2014 10:26:06 GMT

So, back to configuring your Load Balancing Network Hardware?

Would it be possible to configure load balancing for port 4747 in your current hardware? Then you can use Jerry Svensson's URL in Open-In-Server.

Best,

Peter

Re: Load balancing qvp://, is that possible

Mon, 24 Feb 2014 10:41:24 GMT

That was my originally plan and it sounded easy enough. What I understood from the mail from Qlik it's unfortunately not that simple... and not supported.

I'll have myself another thought about this... If load balancing becomes too unequal between the servers maybe I'll try the above.

Re: Load balancing qvp://, is that possible

Peter_Cammaert — Mon, 24 Feb 2014 11:50:09 GMT

The reply from QlikView only says that the QlikView server itself cannot provide Load Balancing, only QlikViews own web server (AccessPoint) can.

If in your current configuration you can connect your Desktop to a single QVS from the cluster with success (which is what you say your dekstop users have to do at the moment), then the load balancing hardware that you use to send http: // sessions to one of three IIS servers can do the same with qvp:// sessions.

That should be simple. qvp:// is just another port/protocol combination like http: //.

I may have missed something, but based on the details you provided, I think it is still "easy enough" to try it out.

Peter