Symantec Management Platform (Notification Server)

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Improving NS & IIS Response in Large Environments 

Mar 29, 2007 11:06 AM

There is a KB article available for "Common problems for very large environments" and is #26878. Particularly interesting is the last item under NS relating to IIS and .NET's debug mode for asp pages.

Quite a few solutions that are out right now that mistakenly have Debug enabled. This causes additional load on IIS / NS server.

Turning the debugging off on the asp.net pages should help in these three areas according to the KB article.

  1. The compilation of ASP.NET pages takes longer (since some batch optimizations are disabled)
    This can be seen in the initial viewing of each NS console page
  2. Code can execute slower (since some additional debug paths are enabled)
  3. Much more memory is used within the application at runtime
    This is of particular importance on NS servers with 2GB of physical memory, and large client facing servers with multiple Altiris solutions enabled

Please see KB #33499 for more information and also to get the executable that will turn off debug mode on the .NET pages.

I also found that when I implemented it, it "hung" all Web pages for 2-3 minutes. Probably, while they recompiles. I'd recommend do this during off-peak hours. I did get great performance gains though.

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Migration User
Jul 05, 2007 02:05 PM

We have about 15,000 on one of our NS servers with no issues. It's not virtualized. We have moved SQL off to another machine, you might try doing that and see if it improves performance. I would think a VM would work great for 1400.
Screenbert

Migration User
Jul 05, 2007 01:00 PM

ca 1400 to each of them... NS 6.0 (SP3 + R5), usually only XP (some tablets), SWI 6.0 (i will upgrade it on Monday to 6.1). There is many sites connected to them and it is another difference comparing to my other (not virtual servers). But I personally thinks it is connected to Virtual Server.
I will be working on it with my Altiris Support but was wondering if some of you also faced such an issue.
Thanks in advance
kmiecio || Altiris Admin || ACP - NSF :::...

Migration User
Jul 05, 2007 09:00 AM

How many clients do you have connecting to each NS server?
Screenbert

Migration User
Jul 04, 2007 04:34 PM

My problem is that i have two virtualized servers and only these two have permanent performance problems... hardware is in line with Altiris recommendations. Maybe some of you also is facing such a problems (i turned off debug mode already).
kmiecio || Altiris Admin || ACP - NSF :::...

Migration User
Mar 29, 2007 11:19 AM

We always had problems in our large environment. Even though we had enough RAM, things did not run as smoothly as we would have liked. This was probably the problem! It is nice to know that we could fix the problem very simply!
Thanks,
trb48

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