Stress Testing Issue When Adding A Second IIS Server
The diagram below describes our soon to be production environment, our user registration process, our async web API client, and our stress test application. I have successfully stress tested our User...
View Articleiis worker process restart if memory exceeds threashold
is there a way to use the advanced settings of app pools to have them reset their respective w3wp process if it goes above a certain value, e.g.; 500,000KBif so, what are the specific field...
View ArticleIIS is extremely slow after Windows Fall Creators Update (1709)
Hi everyone,Recently my computer did an auto update to install Windows Fall Creators Update (1709). I tried updating another computer of mine to see if the update was actually the cause of the issue,...
View ArticleIIS Output Caching removes max-age and expires response headers
We run a relatively high-traffic site on IIS 10 and have recently been setting up output caching to improve performance on static and static dynamic (resized images for instance) resource files.The...
View ArticleHow to diagnose "Thread::intermediateThreadProc issue"
Hi,I have web application running on IIS, my application sometime have CPU percentage above 90%. When i collect the dump file then i found there are few threads which are taking more time. Please find...
View ArticleIntermittent Site Hang (ASP Request Execution Time)
BackgroundWe have a third party application running which has its own 2012 R2 IIS server (2x 2.29Ghz, 8Gb, VM within VMWare environment) and also uses our 2014 SQL Server. The issue started on 22...
View ArticlePerformance difference between IIS 7.5 (Windows server 2008 R2) and IIS 8.5...
Dear all,we have implemented an ASP.NET MVC site that read some data from cache and return json.The site installed in an WS 2008 R2 machine responds quickly: 165 concurrent requests in about 6...
View ArticleSlow Rendering of Default Page (IIS 10)
In each of several directories I have default.aspx pages.I've set the default documents in IIS configured such that default.aspx is at the top of the list.The default pages still take about 2-3 minutes...
View ArticleBizarre Performance Issues
So, I have two clustered virtual web servers using NLB to merge to a single IP. NLB is currently configured to use one server at a time. This was setup so I could apply updates and reboot without...
View ArticleWhat "Connection_Dropped_List_Full" in IIS Httperr log refers to?
I can see from official description on (https://support.microsoft.com/en-us/help/820729/error-logging-in-http-apis) that it refers to The list of dropped connections between clients and the server is...
View ArticleHow do you performance test JavaScript code?
Is there a quantitative way of testing performance in JavaScript besides just perception of how fast the code runs?
View ArticleIIS 8 Worker Processes Overload Certain Application Pool With Requests…PHP...
I've been trying to solve this problem for some time now and have only been able to put band-aid style fixes on it, not really fixing the underlying problem. I'm hoping someone here might be able to...
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ARR performance
Hii am pretty new to IIS and ARR. i have 3 iis servers.server 1 is running ARR and loadbalancing to the other two, with roundrobin, the loadbalancing works.server 2-3 is running just ISS and the...
View ArticlePerformance issue and errors when more then 170 request each minute
Hi,We have a Windows Server 2012 and IIS 8I've serious problem with a a webservice that is printing labels for European warehouses.Sometimes we have to print more then 170 labels each minute. But it...
View ArticleFirst asp.net core app. fast localy, 30s loadtime on internet
Hi. I started with asp.net applications and iis like a month or two ago so bear with me here. This is a initial problem after finally getting internetaccess to the page. The problem is that everything...
View ArticleOption "Throttle" AppPool not limit CPU usage
Good Morning.We have a Windows 2012 Server (IIS 8) server with multiple ASP hosted on the websites.We find that more and more often some of the w3wp.exe processes each AppPool remain consuming 100% of...
View ArticleNeed Guidelines For Setting Compression Strategy on WCF services at IIS 8.5
HI,I am currently working on project with a WCF service hosted on IIS 8.5. Some of the WCF service methods returning large amount of XML Data (Dynamic content) to the client with the SOAP Protocol...
View ArticleAm using IIS 8.5 hosted one application getting poor performance
Dear team,Am using solarwinds monitoring tools and hosted website in IIS 8.5 server have 64GB RAM and 32 Cores CPU and memory utilization will be normal 50% always. At same time more then 80 web pages...
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IIS Express Slow aspx start trace shows - VIRTUAL_MODULE_UNRESOLVED
Starting the app from VS 2017 using IIS express the page sits for 50 secs waiting on local host.IIS Express trace shows - VIRTUAL_MODULE_UNRESOLVEDName FormsAuthenticationType...
View ArticleCache control with IIS and Cloudflare
Hi all,I'm developing a MVC Rest API which will be deployed on IIS 10.We will use Cloudflare as reverse proxy.I want to use cache-control directives in Response Message Headers, but I have some...
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