Unable To Use Web Garden To Simulate Web Farm Session
Jan 13, 2011
I just stumbled across the concept of a "Web Garden" in an IIS App Pool. That is, when more than one process serves the same webpage. From what I understand, this means ASP.NET InProc sessions have the same problems as a web farm.
My question is, assuming your production environment is a web farm but your development/test environment is not, would it be to set up a "Web Garden" in dev/test? I'm thinking this would help catch any multi-process/server issues early on, or at least confirm that everything works as expected.
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Similar Messages:
Jul 6, 2010
Web farm is used for multiple request and multiple user using switching among them.
Web Garden creates worker processes for every processor individually for one user.
Is it possible to use worker process as a switch and convert it into Web Farm that can allocate multiple processor on bases of algorithm?
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Mar 23, 2011
difference between the Web Farm and Web Garden with some real time scenario?
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Jan 24, 2011
Is there anyway I can simulate the loss of the InProc session state? I am trying to see how my app handles if such a thing happens. Can this be done from IIS Manager?
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Jan 12, 2011
I have deployed a custom SharePoint Web service on Farm A. I am trying to access this Web service from a SharePoint timer job on Farm B. On Farm B, I am creating Class Library project, packaging it (wsp) and then deploying to GAC. The problem is I'm unable to access the Web Service using the following code. TodaysNewSVC is a service reference
TodaysNewSVC.GetTodaysnewsfromInsite objGetNews = new TodaysNewSVC.GetTodaysnewsfromInsite();
objGetNews.PreAuthenticate = true;
objGetNews.Credentials = CredentialCache.DefaultCredentials;
objGetNews.Url = "http://insite-dev.portal/_vti_bin/todaysnews.asmx";
DataTable dt2 = objGetNews.getNewsFromInsite(true, true);
//getNewsFromInsite is a WebMethod which returns the DataTable.
Note: Both farms use the same active directory authentication. I have also done the debugging for Timer Job and feature activation and they are working fine. The problem occurs during the call i.e. getNewsFromInsite
The asmx and wsdl files are accessible from Internet Explorer and also from Windows Console application. Here is the code which I use from console application:
GetTodaysnewsfromInsiteSoapClient objWSClient = new GetTodaysnewsfromInsiteSoapClient();
objWSClient.ClientCredentials.Windows.ClientCredential = System.Net.CredentialCache.DefaultNetworkCredentials;[code]...
Here is the error message:The request failed with the error message:
--
<html><head><title>Object moved</title></head><body>
<h2>Object moved to <a href="%2fPages%2fproblem-with-page.aspx%3fc%3d500">here</a>.</h2>
</body></html>
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Oct 7, 2010
My ASP.NET 1.1 application is using load balancing servers. Before load balancing servers, there is no problem related to session management. After googling, I found the following two points:
1) Website instance ID must be same on both the servers. When I ran Microsoft provided VB Script to check instance ID. On both the servers, they are same.
2) I have also generated a unique machine key and pasted it in the machine.config on both the servers.
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May 23, 2010
I have a lot of Singleton implementation in asp.net application and want to move my application to IIS Web Garden environment for some performance reasons.
CMIIW, moving to IIS Web Garden with n worker process, there will be one singleton object created in each worker process, which make it not a single object anymore because n > 1.
can I make all those singleton objects, singleton again in IIS Web Garden?
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May 17, 2010
When do you need IIS Web Garden feature. What's pro's and con's?
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Oct 5, 2010
I'm investigating some performance improvements that can be made to our web server and ASP.NET application.This page contains a few things that we can do.We currently have two worker processes running as a garden. Do each of these worker processes have their own ASP.NET threadpool? Or do both of these worker processes share a single threadpool and the max number of worker threads is shared across these processes?This post seems to suggest that the two processes share a common ASP.NET threadpool. All w3wp.exe threads do is take requests from HTTP.SYS queue, process it, and hand the request toASPNET_ISAPI.DLL, who then deposits those requests into the ASP.Net request queue, and the ASP.Net threadsBut this post suggests that each worker process contains their own ASP.NET threadpool. Each process (w3wp.exe) has its own CLR thread pool which has the configured maxworkerthreads value (20 default).
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Dec 7, 2010
Have not run the ASP.NET Development Server for a while. Today I copied a production website to my workstation and ran it with VS 2008. The following error message popped up. What is the problem with the ASP.NET development Server on my workstation? The website on the Production server still ran okay.Unable to make the session state request to the session state server. Please ensure that the ASP.NET State service is started and that the client and server ports are the same. If the server is on a remote machine, please ensure that it accepts remote requests by checking the value of KEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesaspnet_stateParametersAllowRemoteConnection.
If the server is on the local machine, and if the before mentioned registry value does not exist or is set to 0, then the state server connection string must use either 'localhost' or '127.0.0.1' as the server name.
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Nov 10, 2010
I have a simple question but I still a bit confused after googling. The situation is like this. I have ASP.NET deployed in a Web Server, and had set to a Web Garden and IIS Worker Process is more than 1. So I would like to ask, is it all worker processes running under same Application Domain? Or can said Web Garden running under same Application Domain?
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Mar 22, 2011
Does ASP.NET provide any sort of out-of-process cache server, similar to the way the session server works? If not, what would you recommend for caching in a Web Garden scenario?
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Jun 24, 2010
i am setting the session valuebut when i try to get it on other page its nulli am storing session in sqlpreviously it was wrking fineand still some session values are wrking okbut when i add a new its null while getting it
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Jan 14, 2011
Partial Class Preferences_MyPreferences
Inherits System.Web.UI.Page
Dim userID As String = Session("UserID")
This is just a page in asp.net. I want to be able to grab the Session("UserID") but every time I try, I get this error:
Session state can only be used when enableSessionState is set to true, either in a configuration file or in the Page directive. Please also make sure that System.Web.SessionStateModule or a custom session state module is included in the \ section in the application configuration.If I put that Dim userID inside say the Page_Load Event, then it works fine. Why does it have to be inside an event? I want to dim it once, and use it throughout the page.
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Jan 25, 2010
On page load I am populating my own list object, storing in session & it is getting stored, When I am debugging i can see that list object is stored in session, But When I am reading that session variable in next page, it's throwing error like
The type 'Dispensary.ResourceScheduling.Views.SchedulingPopup' exists in both 'WebApplication.dll' and 'App_Web_6bndsqgu.dll'
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Dec 11, 2013
Getting error when trying to save structured arraylist into session Variable (see btnTS_Click below)
Code works on my desktop VS2012 devel system but not when posted to webserver we use.
Try It: [URL] ....
Code:
Public Class _Default
Inherits System.Web.UI.Page
Structure HoursData
Dim Project As String
[Code]...
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Jul 2, 2010
I have a Dynamic Data application to which I have added a class for extending EDM. Everything works great, but now I am trying to set an entity property value equal to a value in session state - and its not recognizing the Session command. I'm trying to do something like this:
audit.action_by = CStr(Session("person_name"))
I think this is because I do not have the class Inheriting Page, but if I do add Inherits Page it breaks other stuff. How can I have the class include the ability to utilize sessions directly without inheriting Page?
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Nov 12, 2010
I have added objects to the session state in an aspx page which is using an object datasource.I want to get the session value in the class library which is used by the object datasource.
code in class library
selectedrelease = HttpContext.Current.Session["selectedbuild"].ToString();
code in aspx page
HttpContext.Current.Session["selectedbuild"] = TreeView1.SelectedNode.Text;
However i am not able to get the session value in class library
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Oct 14, 2010
We have been receiving reports of the following server error periodically from users.
[OutOfMemoryException: Exception of type System.OutOfMemoryException was thrown.]
[HttpException (0x80004005): Unable to serialize the session state.]
Please note that non-serializable objects or MarshalByRef objects are not permitted when session state mode is "StateServer" or "SQLServer".
Once in a state where this error appears, it appears to be hit or miss whether the errors are reproducible locally. If they are, then we can usually reproduce them for a couple minutes, but not on every page hit. This usually tapers off on its own and usually has resolved itself by the time we get back in contact with the users. The Web Service has around 90-100 active connections during business hours. The only other site on this server is the staging version of this site, which gets hit very infrequently. The Session State is stored on the same SQLServer instance as the application database which is housed on a fairly large cluster of virtual machines.
Neither the Web Server or the SQLServer seemed to be taxed (either processor or memory-wise) while this is going on. The distribution of which pages are erroring seems to be comparable to the normal distribution for each page. There doesn't appear to be any pattern in terms of times of occurrence. We do have less errors on average on weekends (which correlates to normal site load), but even this appears to not be consistent. There also doesn't appear to be a correlation between the errors logged and any kind of logged performance monitor events. This includes an array of perfmon counters including:
.NET CLR Jit(w3wp)
otal # of IL Bytes Jitted
.NET CLR Jit(w3wp)IL Bytes Jitted / sec
.NET CLR Jit(w3wp)\% Time in Jit
.NET CLR Jit(w3wp)# of Methods Jitted
.NET CLR Jit(w3wp)# of IL Bytes Jitted
ASP.NET Apps v1.1.4322(__Total__)Requests Failed
ASP.NET Apps v1.1.4322(__Total__)Errors Unhandled During Execution/Sec
ASP.NET Apps v1.1.4322(__Total__)Errors Unhandled During Execution
ASP.NET Apps v1.1.4322(__Total__)Cache Total Turnover Rate
ASP.NET Apps v1.1.4322(__Total__)Errors During Preprocessing
ASP.NET Apps v1.1.4322(__Total__)Errors During Execution
ASP.NET Apps v1.1.4322(__Total__)Requests Executing
ASP.NET Apps v1.1.4322(__Total__)Requests Total
ASP.NET Apps v1.1.4322(__Total__)Errors Total
ASP.NET Apps v1.1.4322(__Total__)Sessions Abandoned
ASP.NET Apps v1.1.4322(__Total__)Errors Total/Sec
ASP.NET Apps v1.1.4322(__Total__)Anonymous Requests/Sec
ASP.NET Apps v1.1.4322(__Total__)Requests/Sec
ASP.NET Apps v1.1.4322(__Total__)Session SQL Server connections total
ASP.NET Apps v1.1.4322(__Total__)Cache Total Hit Ratio
ASP.NET v1.1.4322Requests Current
ASP.NET v1.1.4322Request Execution Time
MemoryPages/sec
Bytes Total/sec
PhysicalDisk(_Total)Avg. Disk Queue Length
Processor(_Total)\% Processor Time
Web Service CacheFile Cache Hits %
Web Service CacheFile Cache Misses
Web Service CacheFile Cache Hits
Web Service(_Total)Current Connections
Web Service(_Total)Post Requests/sec)
The only pattern I can see in the logs doesn't correlate to the occurrence of these errors, but is the only pattern I can see. Looking at the perfmon logs we are seeing a pattern where the "Total # of IL Bytes Jitted", "IL Bytes Jitted / sec", "% Time in Jit", "# of Methods Jitted", and "# of IL Bytes Jitted" counters for the staging site (which shouldn't be getting any traffic) doesn't pull data for a 20-50 minute period after which there is an immediate spike in "IL Bytes Jitted / sec" and a jump in "% Time in Jit" for 2-20 minute of up to 99% for the main site.
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Jan 24, 2011
I am having two textboxes. I wanted to change the text of textbox on button click but using session variable. But its not working.
Default.aspx :
[Code]....
Default.aspx.cs:
[Code]....
I want "New Text1" should appear in textbox1 on button click. how can i do as the code mentioned is not working.
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Jul 20, 2010
I'm having trouble getting 2 identical ASP.NET MVC applications to share the same Session using a Session StateServer. The reason I'm trying to do this is we will eventually be deploying this app across 3 web servers that need to share the same state. We need to use StateServer because we are trying to minimise use of the db for non data-related storage.
The Setup: I've deployed the same code base to http://localhost/App1 and http://localhost/App2
both have identical Web.Config files with the following:
<system.web>
<sessionState mode="StateServer"
cookieless="false" [code]....
The Result:For both deployments, when the page first loads I can see that the mode is StateServer and the timestamp is getting set to the same time as the realtime value.. However, if this was working, only the first page should have the same time as the realtime value. The second page load should read from the StateServer because that timestamp value is no longer null, and display that time value. But instead, it's displaying the realtime value again.
When I refresh the page, I the timestamp stays the same and the realtime value is always updating. This indicates that the timestamp is being saved to the Session, but the time stamp value is always different for both deployments when it should be the same, so this indicates that the Session is not being shared.
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Jun 17, 2010
We are setting session variables in the login page with all user details.And in all subsequent pages we check this session variable.This check is done in the page load of master page.As the number of users increased am getting error with these session variables.This session variable is returning me "nothing" when I check and the user is redirected to logout page.Interesting thing is that this is not happening always.
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May 26, 2010
I am new to all this, and ignorant beyond compare. I believe I have the same problem as this :
[URL]. However, the solution proposed for him doesn't seem to work for me. I have a session variable that 'march_cpi_session' that I wish to include in an sql select statement to multiply the values I get from a datatable before they're used to populate a gridview control. The session variable works fine elsewhere in my application, but causes a variety (depending upon how I fiddle about with the syntax) of sql errors. This is the currrent code:
[code]....
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Sep 29, 2010
Currently have an asp.net web site which is contained on 2 web servers which are load balanced i.e. web farm.
I would like to have some code which would allow me to call a particular server and execute a method on it. I WANT TO do this so that i can force all web servers to refresh their cache via a web page on the site.
Use Case is: Admin user logs into site and makes a change to a setting which is cached and then clicks "Refresh web server cache" button which then calls the update cache method on each of the servers. this is to prevent me from having to restart the app pool every time a cached setting is changed.
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Feb 24, 2011
Given the idea of a web application (.NET 3.5+)
Browser
web app
the authentication using forms will result in a similar line of code
FormsAuthentication.SetAuthCookie(strUsrNm, True)
this is fine in a non load balanced server instance. how does authentication work in a load balanced stuation (no sticky session/infinity), and you cannot store the client IP, users password or login in the browser.
Browser
Load balancer
Web app (on server 1) || Web app (on server 2)
limitations: no database sessions, no AD server (for example: cater for external users)in short - in a load balanced situation how does the appliation know who the user is if they authenticated against the other server without re-authenticating.
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