Need web intelligence server memory threshold settings for SAP BO BI XI4.0

Hi,
We have found that WIreportserver.exe process taking high memory in our BO systems. We are in SAP Business objects XI 4.0 SP 07 Patch 2 version now.
We have found that the Web intelligence server memory threshold settings to be changed in case of these issues.
But there are no documents that says about the recommended settings for SAP BO BI XI 4.0 version.
The XI 3.1 recommendations(SAP Note:1544103 ) can not be taken as its a 32bit server and the X14.0 is a 64 bit one.
Please let me know the recommended settings for web intelligence server memory threshold settings SAP BO BI XI 4.0 version or any SAP note that says about it.
Any suggestions/ recommendations are welcomed that will fix the issue.
Thanks in advance.
Regards,
Sithara.S

Hi Henry,
PFB the answers inline:
which setting are you referring to?
There is settings for 'Web Intelligence Server Memory Threshold Settings' where we will set values for memory max threshold,memory lower threshold and memory upper threshold values .You can check the SAP note 1544103 which says the settings , but its applicable for 3.1.
and which ones have you changed already?
We have not done any changes in settings yet. We are actually searching for the recommended values.
what errors / symptom are you trying to avoid?
We are facing issue in 'WIreportserver.exe' occupying 100% memory.
Please suggest and let me know if any other information is needed.
Regards,
Sithara S

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Based on this :
2. Checked on BW server transaction code ST22 it has session time out.
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1) Go to windows explorer.
2) Go to C drive (or wherever your Tomcat is installed) c:\programfiles\Tomcat\webapps\businessobjects\enterprise115\desktoplaunch\WEB-INF\classes\webi.properties
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