Moving An Application To A Load-balanced Environment?
Aug 20, 2010
I have an application which works well on a single server. My customer now wants to move it to a load-balanced environment. Which things are likely to bite me when doing this?Currently I know ofSession state, andMachine key.Both of these are described here, for example, so I'm looking for things additional to this.These similar questions, but the first addresses load balancing in general, and I'm looking for a migration guide, and the second addresses a specific problem.
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Feb 9, 2011
I have an intranet ASP.NET web application in which I need to get the IP of the client's machine. I do this vis the following code:
HttpContext.Current.Request.ServerVariables.Item("REMOTE_HOST")
It used to work when my ASP.NET site was only hosted on a single server. However once we got the load balancer installed and migrated our apps to a web farm, the code above returns the IP of the Load Balancer device and not of the client anymore.
I am working with the networking folks to determine what can be configured differently with the load balancer, but in the meantime I was wondering if there was another way I could get the client's IP other than using that IIS Server Variable?
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Jan 28, 2011
I have a .net web application in a load balanced environment over 3 servers. The load balancing is done with a load balancer. My site is [URL]with serveral javascript files such as [URL]
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Jan 12, 2010
I am new to asp.net, I have been tasked to upgrade the physical architecture to load balancing environment to support the application. I done some reading the session state should be configure to Out-Process instead of In-Proc to support load balancing. Is there any other issues I need to take note for asp.net web application to run in the load balanced environment?
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Feb 7, 2011
We have 2 asp.net web servers working through the LoadBalancer that are accessible externally. Earlier, for all applications we did logging into DB. Now we have 1 more app that doesn't work with DB, it is used for 'messages transferring'. On TEST environment it does logging into files into a local folder.
If we deploy it "as is" to PROD we will have 2 separate log files... that is not very good idea. Connecting to DB just for logging doesn't seem reasonable too...
Possible solution could be store log file into a shared folder somewhere on another server.
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Mar 9, 2011
I have 4 servers participating in load balancing environment. The same ASP.NET application is being hosted in each server.
I would like to get the DNS Name regardless of the underlying server.
Request.Url.Host
Environment.MachineName
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Apr 9, 2012
In my development environment, my CSS loads perfectly. But when I publish the files to the server, the CSS no longer loads.
Originally, when I had this problem, it was because I was denying access to unknown users for all directories. It was also occurring in both environments.
When I fixed that, the CSS started working just fine. But when I publish it to the server, it no longer works.
The website appears to function. I can log in, navigate pages and everything. It's just that the CSS doesn't work.
I checked the permission on the directory and it has access to NETWORK SERVICE, the admin account and IIS_IUSRS.
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Oct 21, 2010
I want to configure ASP.NET Website Project using WCF Service[NetTcp] (both in c#) for web-farm (for website) and NLB Load balancing (for service). I would like to configure following options for same.
NetTcpBinding.maxConcurrentCalls, NetTcpBinding.ListenBacklog and NetTcpBinding.MaxConnections
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NetTcpBinding.ListenBacklog: 10
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NetTcpBinding.maxConcurrentCalls: 16
Now what will be my configuration setting in this environment. Will it be same as above or will be as follows.
NetTcpBinding.ListenBacklog: 30 (10*3)
NetTcpBinding.MaxConnections: 30 (10*3)
NetTcpBinding.maxConcurrentCalls: 48 (16*3)
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Oct 21, 2010
I want to configure ASP.NET Website Project using WCF Service[NetTcp] (both in c#) for web-farm (for website) and NLB Load balancing (for service). I would like to configure following options for same. NetTcpBinding.maxConcurrentCalls, NetTcpBinding.ListenBacklog and NetTcpBinding.MaxConnections
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Nov 6, 2010
I crated an app with asp.net mvc using entity framework 4 and sql server 2008.
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Login failed for user 'IIS APPPOOLDefaultAppPool'.
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Jul 28, 2010
I have asp.net application which in develop on the 32bit environment it works fine when deployed on the server.But the problem is when we are deploying the application on the 64bit environment it is giving two problem.1) Exception: System.InvalidOperationException: The 'MSDAORA.1' provider is not registered on the local machine."2) Exception: System.Exception: Cannot create ActiveX component.After doing some search people saying that recompiler your appliation as x86 to work on 64bit environment.How can i do that? when can I find the option for that in VS 2005.or
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Apr 2, 2011
I need to create a Web Setup project for an MVC2 application I made at home, since I have VS 2010 there and I need to show people at the office, who have VS 2008 + sp1 + MVC2.
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Aug 2, 2010
I have a bigger ASP.NET based webapplication, which is structured into subwebs (as described on [URL]How can I share user specific information (user credentials, other informations) between these subwebs? The point is that the subwebs have all their own virtual directories and therefore different sessions. Are there other possibilities besides cookies to have a shared (user/browser session based) memory?
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Feb 24, 2010
We are looking to integrate Memcached into our infrastructure, but have a security concern before we do. We run several platforms including ASP.NET and ColdFusion and have many app developers working many little applications across the different platforms. The concern is this: App A places item "dog" into cache.
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Jan 20, 2011
I have an app that works fine . I build up a new iis box and the settings is similar to the existing iis box. however, my application is not working anymore. althought I created similiar environment, but not working,I get access denied from the Database for some pages and other pages it hit the database. is there anything I can do to make it work.
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Jun 4, 2010
We have a web site with pages written in both vb and c#. We wish to move from a web site to a web application. As a web application cannot mix languages, my thought was to build two separate applications within the same solution and have the main(c#) reference the secondary(vb) and (somehow) copy the vb pages into corresponding places in the c# directory structure at build time.
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Mar 10, 2011
I'm using Visual Studio 2010 and working on an ASP.NET 4.0 web application. At the moment, a co-worker and I are tweaking CSS, which means constantly changing and saving CSS files and then refreshing the running page in a web browser.Every few saves, the application restarts, causing a considerable delay while we wait for the app to start up, log in again, and return to the page we were working on. In an IIS production environment a CSS file wouldn't go through the ASP.NET ISAPI, but apparently when running with VS2010 and the developent web server this doesn't matter... or something.
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Aug 26, 2010
I'm seeking an algorithm to split a list of items of varying sizes into "N" number of similarly-sized groups.
Specifically, I'm working on an ASP.NET site in C# where I have a (database-retrieved) list of strings. The strings are of varying lengths. I have a set of columns which need to display the strings. I need an algorithm that will find the most balanced sets (item order is irrelevant) to allow the final columns to be as balanced as possible.
Abstracted Example:
Creating 3 columns.
Items to distribute:
- Item A - height 5
- Item B - height 3
- Item C - height 7
- Item D - height 2
- Item E - height 3
Desired output:
Column 1: Item A, Item D
Column 2: Item C
Column 3: Item B, Item E
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Aug 19, 2010
My application is working fine in local environment but not working after push code in live. My locale environment and hosting environment both are having same configuration. Same app working fine 2 month before but in different domain but same hosting server.
how to check the both config / any possible to run debug mode in hosting server please let me know. below code used in all page for checking user session status but when I click on any link page redirect to login.aspx I think session got timeout. I don't know why session got time frequently, but this issue not happening in local environment (desktop).
[Code]....
[Code]....
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Feb 24, 2011
We have an ASP.NET application deployed on 2 Application servers with load balancer server. It is using INPROC state management. The ADO.NET connection pooling is enabled with 50 as minimum connections and 100 maximum connections.
In Load testing (using load testing tool) when the application reaches to 50 users no more users can connect (login) to application the TPS reaches zero. No errors are logged in application log related to application or database. The sessions are working fine.
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Mar 25, 2011
I have a asp.net website with separate web server, Application server and database server. Now I need to have configure load balancing with two web and Application server. I don't have any idea about load balancing. how to proceed with load balancing.
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Mar 22, 2010
I need to add this feature to a web application: - load files - open a Windows Explorer windowTo load files I would like to have an interface similar to the ones seen in Web FTPs with two windows one with the folder where the fiels are located, and another with the fillder and files where the files will be upload
The second to open a window, is for a person who wants to see the attached documents related to a record.
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Mar 12, 2010
i have a website and in it is an application with website administration. It is possible to load an assembly from website in administration application? E.G:
WebAdmin project (web application) : in default.aspx i want to load assembly ClassLibrary1.dll and create instance of type ImportProvider. WebAdmin doesn't have reference to ClassLibrary1.
Configuration in IIS:
Application directory "admin" (WebAdmin project) is in Website1
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Jan 5, 2011
We are using Two servers for our application managed by a load balancer. One of which server contains Windows server 2003 & other one contains Windows server 2008. When a request is served by windows 2003 server and its subsequent goes to the other one (2008 server). Users gets log out. Are we need same Operating systems on both systems because( when request served by 2008, and subsequent on 2003 is served without any issue).
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Mar 30, 2011
I actually have a C# winform application which load images from my computer C://images/... with the Image object and the function Fromfile.
Image.FromFile(Path);
but in my web application (ASP)
<asp:Image ID="viewPhoto" runat="server" Width="550px" Height="400px"/>
I use the attribute ImageURL.
viewPhoto.ImageURL = Path
But the problem is that it doesn't find the correct path because with this way. The path will be http://localhost:3656/C://images....
I would like to load an image directly from my server to have the correct path for both of my applications.(web ASP and winform)
Image.FromFile(/images/myimage.jpg)
This actually doesn't work because the program doesn't find any photo in this path.
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