Exchange Server Backoffs Causing Major Issues
Hi,I wanted to take a stab at this here because I feel this is something configurable via IIS as opposed to Exchange. Truth be told, I've exhausted all Exchange-side tweaks, but I've had success at...
View ArticleDelay of 10-15 mins before Application_Start is triggered
On application start (only on first request after apppool start), I see a delay of 10-15 minutes before Application_Start in Global.asax is triggered. The application is hosted in IIS7Following is the...
View ArticlePerformance issue on IIS on multiples GET queries
Hello,I notice bad performance of my application (on localhost, my own private server called staging and on prod) but this happens only when I execute a certain amount of queries (for example, GET) on...
View ArticleIIS 10 Performance Suffers When Website Is Stored On Network Share
I compared the same website while it was placed on the C drive and while it was placed on the network share. While the website was on the network share the site load time was 6.4 seconds. When the site...
View ArticleRegarding IIS and application thread pools and async
When you have your controllers either in ASP.NET MVC or Web API set up to (correctly) use async/await, the thread processing the request will be freed up and returned to the thread pool. As advertised...
View ArticleResponse.IsClientConnected causes exceptions
We recently tried incorporating Response.IsClientConnected into our asp.net site, but it causes seemingly random exceptions that only show up when we check this property. If we comment out that code,...
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IIS WP using high memory
We have wcf service running inside an app pool which takes huge memory(almost 5-6gb). While monitoring, it was found that private bytes and working sets going upward, while available bytes showed a...
View ArticlePoor performance for FTP downloads compared to uploads
We have a Windows Server 2008 running the regular FTP. The folder location is a network share. The uploads to the drive are pretty fast compared to the download. we are seeing download speeds. There is...
View ArticleIIS 8.5, slowness in opening pages in browsers
IIS 8.5(I am not an expert in Website authoring)IIS is hosting a private website (application pool).Pages loading (without loading data from database) in browsers take arond 6 secs to be displayed (the...
View Article"Cache Control Header" takes 90% of the time for response
There is something really strange happening on my IIS 8.5 box. Request to root page of website takes 1.3s and 1.1s out of that is happening within Set_Response_Header method. What can be the reason for...
View ArticleMS service Tracer Viewer, IIS. Performance problem
MS service Tracer Viewer, IIS 8 I am working on identifing performance problem.I am using MS service Tracer Viewer.I have detected some delay is specific actions.But I need some help from you (I am not...
View ArticleIIS Worker Process hangs every two hours
Hi,As the subject says IIS Worker Process hangs every two hours (precisely) , and I'm not sure how to approach this problem.Only thing that's for sure is that in every instance that problem occurs in...
View ArticleRequest Execution Time counter ( Total ) evaluation of performance in...
Hello, when measuring / monitoring the Request Execution Time for a ASP.NET app , in a server running multiple sites, we might check the time for the specific application pool , or the _Total_ If we...
View ArticleSlow performance on IIS
Hi all!I've created an ASP website using Visual Studio that fetches some info from Active Directory on loading. On my Visual Studio development machine the website loads fairly fast, lets say after...
View ArticleDifferent loading time
Hello.win 2012 R2 IIS 8.5I am not expert in web development and I am working on understand slow response.I am using Jmeter to simulate user.Jmeter is used locally (directly from the web server) and...
View ArticleIIS Prevents Drupal 8.2.6 from installing?
Hi. In the Drupal forums, I was informed that IIS can be the issue to the following problem. I installed Drupal 7, and Drupal 8.0.0 with no problem on My SQL. However I was unable to install Drupal...
View ArticlePerformance of Kestrel behind IIS
I'm seeing a lot of graphs praising how fast Kestrel is with ASP.NET Core, but I can't find performance benchmarks that clearly state how it performs behind IIS (or any other server for that matter),...
View Articleiis high cpu load on applicationhost.config change
I'm developing an C/C++ application (service) that works with IIS 7.5-10.0 (Windows Server 2008 R2 - Windows Server 2016). It can add web applications and bind them with application pools or delete...
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IIS 8 SAAS - Multi-Tenant config
HelloWe have a server width 144 logical processors. We are runing af SAAS under 4 domain names.So we have config ProcessorGroup=0 for domain 1, ProcessorGroup=1 for domain 2, ProcessorGroup=3 for...
View ArticleHow does IIS 8.5 distribute RAM Memory Resource to multiple worker processes ?
Hi everybody,I have a web server of Windows Server 2012 R2 (IIS 8.5) with 64 GB of RAM.On IIS we have about 15 Application pools for 15 sites/apps correspondingly.All application pool Private Memory...
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