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I swear I've seen this post before but cannot find it. What is the recommended number of parallel reloads (qv.exe) per server processor ?
I'm using powershell to loop through a list of qvd builders and reloading them with the /r switch.
Our server has 4 dual core processors. Currently, I'm limiting it to 4 simultaneous sessions of qv.exe.
Can I really run 8 ?
Any advice is appreciated.
TD
Hi Alex,
Post it as an Idea, then we could vote on.
Best,
Pablo Labbe
Qlikview Consultant
www.visiongi.com.br
Hi Tod,
I was facing task failures as we have set up more than 15 reload tasks to run parallely. So i had reach out to support to find out what is the agreeable/suggested no of parallel reloads here is the reply from support:
Hope this helps
1) How many cores do you all have installed? Because having an odd number of cores isn't something that I have experienced.
2) The rule of thumb is that the maximum limit should be number of cores - 1. The thought behind this is that you should always leave at least one core available for the operation system.
3) Keep in mind that each task uses a core. So if you haven't configured your registry to allow more than 9 cores for QlikView, then you will experience task failures when you are trying to run more than 9 tasks. But that additional task will run fine when it is not trying to run with 9 other tasks.
4) From the case description, it looks like you all are running 11.0 SR2 which was released in November 2012. Upgrading may not be possible due to your environment, but there have been quite a few releases since then with many, many bug fixes. So if it is possible, I would recommend considering upgrading to a newer service release. Additionally, this version would not be patchable should you encounter an issue that requires a patch.
Let me know about your availability and I can schedule a Webex to talk through this case with you.
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