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QlikView Server (QVS) in cluster becomes overloaded after hardware changes
Article Number: 000048319 | Last Modified: 2018/11/21Description
When changing the hardware configuration in the cluster nodes, the load balancing algorithm "CPU with RAM overload" does not work properly, causing some nodes to become overloaded.
Environments:
- QlikView 12.xx
Cause
This might be due to Windows doing some background work and not providing correct resource usage counters for some time
Resolution
Temporarily change the Load Balancing to "Random". This way, server requests will be sent on a round-robin basis, which is not efficient but, at least, won't be influenced by incorrect information from the Operative System:
- in the QlikView Management Console go to System --> Setup --> QlikView WebServers --> pick the server --> AccessPoint --> Server Connections --> change the Load Balancing to "Random"
Once everything has been running well for some time, test going back to the preferred Load Balancing algorithm.
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