How to diagnose and increase performances in VMWare installed Footprints Servers ?

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    Footprints in VMWare environmets All versions of 11.X and 12.X - 20.XX


    How to diagnose performances in VMWare installed Footprints Servers ?

    We have been asked for quite some time about the expected performances of a virtualized server on various types of virtualized environments.
    Here are some tools to help improve performances on the application Server side, but also on the SQL Server one.


    We do not have any specific documentation about virtualized environments, however it is possible to improve the performances in several ways.

    This article specifically deals with virtualized environments using VMWare.

    • 1 - Diagnose the Virtual Machine itself :
    VMWare offers a specific tool which is dedicated to prepare the OS itself. 
    This is publicly available on this link :  
    • 2 - Use optimization for the MSSQL hosted server:
    Still an official document (see attachments) but it gives a lot of extra settings and their implications. 
    Most interesting is the networking section and the importance to choose the appropriate virtual hardware, in order to benefit from the best capabilities of the device. 

    Here is the link to the pdf file :  
    • 3 - Be able to correctly set the memory in MSSQL Server :
    This is an online tool which helps calculate the best memory settings in MSSQL Server, depending on the CPU type and capacity, the installed system memory :
    Particularly helpful to use this in relationship with the VMWare pdf at section 2  
    • 4 - CPU Technical specifications :
    Keep in mind that there is a fundamental difference between sockets and cores in a CPU. 
    A socket represents the chip implacement itself. 
    Cores are components of the inner chip. 
    Our documentation mentions a certain amount of CPUs depending on the simultaneous agents who are using Footprints. 
    These represent SOCKETS, and we ask the sockets to be multi cores, at least 2 cores. 

    So when you read 8 CPUs for 100+ users in our requirements, you must translate that into : 

    8   Sockets X 2   cores each (more if possible) = 16   virtual cores in total. 

    When the application server is also the SQL one, then the requiredspecifications for each individual servers   ADD UP !  
    • 5 - Change the Virtual Machine's SCSI Controller type:
    The type of SCSI controller directly influences the performances of the HDD. 
    IT is preferable to create or activate the VMware Paravirtual controller type. 
    Have a look at this resource   To configure an existing Windows boot disk to use a PVSCSI controller:  

    This page allows to better understand which controller type best suits the usage :

    Let’ summarize this in a chart:

       Screen Shot 2014-02-07 at 2.25.41 PM

    We are interested in the 1st line for Footprints usage and its associated database server. 


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