IIS Resource Monitoring and Isolation

Published 06 January 05 04:58 PM | klevereblog 

In my experience with IIS I have noticed that there is room for improvment in regards to monitoring resources and isolating issues and resource problems.  This is of particular concern within the a shared hosting solution when specific abusers need to be isolated and have action taken against them.  Unlike many enteprise deployments shared hosting enviroments envolve several users and websites with a wide deployment of code types.  Application development often ranges from novice to expert and it is very important that a hoster have the capability to distinguish bad code (i.e. memory leaks, loops) from potential attacks or traffic anomolies.  Although their are tools for debuggin iis processes and applications it is often difficult to truly determine the true culprit, or if the system has reached it's limits.  Also from a reporting and planning standpoint it would be useful to manage these resources more easily.  A lot of trial an error is involved with capacity planning in the shared hosting world.  Anytools that would allow hosters to make informed decisions on hardware specs, storage capacity, website usage would be a plus.  Also i'd point out that although there are so great debugging solutions such as adplus, iis state, iismon these tools aren't always intuitve and easily configurable for system administrators.  I want to know what peoples thoughts are on a troubleshooting tool that can pinpoint utilization issues in a shared hosting enviroment.  Are there ways of leveraging the many technologies that are available in this enviroment (WSRM comes to mind).  I'll stop babbling and just wait for others to chime in.

 

***Disclaimer-This posting is provided "AS IS" with no warranties, and confers no rights.  Use of included script samples are subject to the terms specified at http://www.microsoft.com/info/cpyright.htm.

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# lynn eriksen said on January 6, 2005 5:28 PM:
I agree. IIS has become a very, very nice hosting environment but it does lack in regards to tools for web hosters. Most IIS senarios played out seem to involve a single webs site. My companies hosts over 80 web sites - some big and most small - on a W2K3 server. Using AppPooling helps, but there could be some major improvments to the AppPool gui and implementation. It would be nice to place applications in an AppPool from the AppPool gui instead on the WebSite GUI. It would also be great if IIS had an internal monitoring tool so you could see how much each website was consuming memory wise, and the apppool. Throtteling is good per website, but content based throttling would be better. Logging is nice, it would be nicer to be able to have an asp.net provider to allowing for centralized db loging. A centralized Resource Manager would be most helpful. Being able to set rules would nice also. .Net support is a plus, and the 2.0 IIS metabse tools are very, very welcom. Making IIS6 more than just a App Server but a total App Environment Manger would be a big plus. But that might greatly increase the scope of the tool.

# Kiyotito Leverette said on January 7, 2005 1:38 PM:
This posting is provided "AS IS" with no warranties, and confers no rights. OR if you wish to include a script sample in your post please add "Use of included script samples are subject to the terms specified at http://www.microsoft.com/info/cpyright.htm"
# Kiyotito Leverette said on January 7, 2005 2:10 PM:
I've have seen success with having a separate App Pool for each website. Of course this has it's limitations. I am interested in ways others have successfully implemented monitoring and resource management. The 1 to 1 app pool relationship worked quite well simply because you could associate a worker process to an app pool and identify the site running under that pool. With that said it allowed for reporting built around utilization and gave the ability to manage abusers as well as plan for future capacity. But there is a certain methodology built around this and I am sure that many different hosters do find different ways of gathering this type of information. As these methods or consolidated and of course simplified a framework can be built for better managing IIS resources in a hosting enviroment. I'd love to see a time where hosters within there control panels can present customers with real time data regarding their disk, bandwidth, cpu, and memory utilization. Also hosters that charge fees related to these would then easily be able to justify this type of cost.
# iis expert said on February 3, 2005 3:21 AM:
A lot of these pains will addressed in IIS 7. There a tools integrated that will allow you see request from app pools and determine what code is causing the issue.
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