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Poor performance of application (essbase) service on windows server 2003 on VMware.

Posted on 2006-11-06
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I am getting poor runtilnme performance of application (essbase running a calculation) service on windows server 2003 on VMware.  This is a resource intensive operation but it does not appear that we are hitting any bottlenecks.  CPU utilization stays low.

Thanks.
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Question by:aturetsky
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by:trippleO7
ID: 17883570
What about memory utilization?  For the HOST and that 2003 client?  Do you have enough to spare for overhead?  e.x. Memory of 3-4 GB would be overhead of 105MB or so.
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by:aturetsky
ID: 17884570
we have 3.5 gb of ram.  It does not appear close to maxed in taskmgr.  thanks.
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by:trippleO7
ID: 17889151
How many processors do you have?  one dual core, two dual core?  How much of that 3.5 GB are you allocating to your virtual 2k3 server?
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by:aturetsky
ID: 17891130
We have 2 "virtual CPUs" whatever that means, which we share.  We ar guaranteed 52% minimum cycles but we never seem to approach that.  i believe they are virtual single core CPUs carved out of the 4 64bit CPUs on the machine.

I am told that we have been given 3.5 GB dedicated for our VM and application.  I am not sure how much of that is dedicated to the server.  I show 1.7 GB free but paging occurring at up to 1500 pages/sec.
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by:aturetsky
ID: 17891139
By the way, thank you for being of assistance.  -- Alex
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by:trippleO7
ID: 17891246
Thx for the info.  So for each virtual server, verify that you are running using 1 processor and not 2.  I've read that this can cause issues with certain applications running on your virtual server.  Also, I know if you are running a database (specifically MS SQL), you need to cap the memory usage in the database manager, otherwise there's something funky that SQL uses as much memory as possible, even if you've set your virtual server to a specific amount...  Maybe this is what you are running into, but doubtful...

Can you issue a Ctrl+Shift+Esc on your HOST machine and see how much Total Physical memory and what's available.  Also see what your PageFile (PF) usage is.

I don't know how much help I'll be with this, but something to start with.  Also, you may want to monitor more thouroughly using Performance Monitor.  Start > Run > perfmon

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by:aturetsky
ID: 17893627
I only have one virtual server on the box.  I can't see the others.  I am the application (essbase) administrator on one.  We are not running mssql.  just a very small instance of mysql and the Essbase application.

I show 1 GB free Ram and 3.4 GB Page File.

I am averaging about 9 page faults per second and averaging 1000 pages per sec.  These are pretty much zero on my old server.

I have been monitoring with perfmon.  I see lots of what looks like is paging yet lots of free RAM.

Thanks for helping out.

Sincerely,
Very confused.
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trippleO7 earned 500 total points
ID: 17897929
I would try searching on the VMWare forums, or posting a question there.  I did a search for "essbase" and "essbase with vmware" and came up with a few results.

http://www.vmware.com/community/index.jspa

Sorry I can't be much more help....
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by:aturetsky
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Thanks !
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