![]() The upper limit on the number of BIBus processes that Cognos will allow to run at the same time is controlled by the Max Number of Processes tuning parameter. ![]() You also do not want to have so many BIBus process running that you reach a point where they require more physical RAM than what the server can provide. This can create a performance bottleneck when the server is under load. The upper limit is 2 per CPU core, however there also has to be sufficient RAM for each process.Įach BIBus process should have 4G of physical RAM available to it that is over and above the RAM required by the Query service, other Cognos processes, and whatever else puts demands on the system.įor most systems the default settings will not make effective use of the hardware resources. If the server has more than one CPU core it may be able to launch more BiBus processes than that. This is the maximum that a system with a single CPU core would be able to run and it limits the number of reports that can be run simultaneously. A default Cognos Analytics install is limited to running 2 BIBusTKMain.exe processes. ![]()
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