Configuration :: Local IIS 7, Slow Download?
Sep 25, 2010
I've made a small web site (MVC2, VS 2010) with some image gallery functionality. When testing locally the images download very very slowly, as if I had dial up internet connection. For example if I try
http://my_local_website/myimage.jpg it will be slow. However, if I try (via web browser) C:mywebsite_foldermyimage.jpg it will load instantly.Not sure if this is an issue of my local IIS7 or what, but I would like to fix it before going live.
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Similar Messages:
Jan 17, 2011
im Developing a site since a very long time,Using a remote database Connection.Previously site in local machine runs fast.But now a days even login takes morethan a min (in Local) but on hosting it runs as fast as it was
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Oct 29, 2011
I have a download button on my website to download an application of mine. It works fine but I noticed people are clicking it repeatedly. The response time is a little slow after you click the button. Not that bad for me but maybe it's worse for some. In the button click sub I have the code to get the file and bring up the download window and I also have code to increment a table for download count and get the IP address of the person who clicked the button. If I just have the code necessary to do the download the download window comes up a little bit quicker. Here's my button click sub :
Code:
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
'
Dim FilePath As String = Server.MapPath("~/FolderForDownload/MyApplication.exe")
Dim myfile As New System.IO.FileInfo(FilePath)
If myfile.Exists Then
Response.AddHeader("Content-Disposition", "attachment; filename=" + myfile.Name)
[Code] ...
What I've noticed is that when I had Responcse.End() before my code to get the IP address and increment my table and save the IP Address it would skip performing that code so I moved it below the code. It performs the code but I noticed that after you click the button it takes longer before you see the window pop up that asks if you want to Run or Save.
I tried putting the code to get the IP address and increment my table in a separate sub and then call the sub after Response.End() but it still doesn't perform that code unless I call that sub before Response.End().
I'd like to do everything I'm now doing but get the Do you want to Run or Save window to open sooner. I'm getting a number of people downloading my application from overseas and perhaps when it runs the code to identify the IP address it takes longer. I'm not sure but I see people clicking the download button repeatedly. My table records the exact time to the second when they clicked the download button and to take an example, there are 4 consecutive entries with the same IP address and the times are 3:28 PM for all 4 with the seconds being, 13, 15, 16, and 17.
I put a test download page on my website. When I was running in Visual Studio and using a localhost address I was seeing a big difference in how quickly the window opens after you click the download button if there's download code only versus download code with the other code. When I copied the page to my website and accessed the webpage on the internet there didn't seem to be hardly any difference.
Here's a link to the test page on my website if you want to try it out. You don't have to download anything but you can see how quickly the window opens asking if you want to run or save. There are 2 buttons on the page. One says Download Code Only and the other Download Code and Other Code.
[URL] ....
I just tried it out and I saw a big difference in time between the two but earlier I didn't. Sometimes I think the added code runs faster and other times slower.
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Feb 4, 2010
I have an asp.net web page to serve large file downloads to users.
The page is hosted on IIS7, Windows Server 2008.
The strange thing is that users can download at good speeds (2MB/s) when I don't add a content-length response header but as soon as I add this header, download speed drops to somewhere around 35kbps/s.
This is the code:
[code]...
Of course I can leave the content-length out but the user will not know how big the file is and how long the download will take...which is annoying.
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Nov 25, 2010
downloading latest Zip file from a FTP location and UnZIP it by saving to a particular location using VB.NET GipStream or some other method. I prefer not to use any 3rd party controls.
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Jan 11, 2010
I have a code to downolad a particular file that is stored at a particular location on the server...
for example i have a file untitled.bmp in the C: drive of my server and i download this to my localhost using the particular code...
protected void Button1_Click(object sender, EventArgs e)
{
string filepath = (@"C:untitled.bmp");
// Create New instance of FileInfo class to get the properties of the file being downloaded
[Code]....
now my problem is how do i download a folder with multiple files in it.. is there a way???
for example i have a folder named recovery in C: drive which contains two files untitled.bmp and test.txt.
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Apr 18, 2010
I have an off-line project. User uses a laptop to input data off line into local SQL server express. Once connected to domain (on line), local data will sync with remote SQL server using sync framework. (It is done, works fine)
One job left:
Since another user used another program to update some tables in remote SQL server, such as CUSTOMER, SHIPINFO, my off-line program need to update these new data once connect to domain.
Here is what I design in Pseudo code: (take CUSTOMER as example)
1) In remote SQL server, create a store procedure (sp_customer) to select all CUSTOMERS
2) In application, create a dataset (dst_customer) based on sp_customer
3) Insert all customers data which is in remote SQL server but not in local SQL server based on CUSTOMER_ID
I do not think this a smart way to do it.
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Mar 3, 2010
At one point this was working, but somewhere something happened. What I am trying to do is simply download a page from our local site. I keep getting the 401 unauthorized.
I have tried NetworkCredential("user", "password", "domain")
and
CredentialCache cc = new CredentialCache();
cc.Add(new Uri("http://site/"), "Windows", new System.Net.NetworkCredential("user", "password", "domain"));
but that didnt work . We are using Windows authentication with no anonymous access.
Here is what was once working:
WebClient wc = new WebClient();
string FileName = Server.MapPath(\App_Data\rpt.htm);
wc.Credentials = CredentialCache.DefaultCredentials;
wc.DownloadFile("http://site/Report.aspx?OrderNum=7534&Type=inv&BE=1", FileName);
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Jan 12, 2011
My application runs quickly when debugging locally, but slows down to an almost unusable state once published. Oddly, the published version seems to be grabbing data very quickly from MSSQL - it's the part where I'm updating datatables and gridviews that is very slow. For example:
[Code]....
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Dec 9, 2010
I have created a CSV file on the server and want to send it to the user using the following code:
Dim strPhysicalPath As String
strPhysicalPath = Server.MapPath( "CSV/" & PathVirtual)
Dim objFileInfo As System.IO.FileInfo = New System.IO.FileInfo(strPhysicalPath)
Response.Clear()
Response.ContentType = "application/vnd.ms-excel"
Response.AddHeader("Content-Disposition", "attachment; filename=" & objFileInfo.Name)
Response.AddHeader("Content-Length", objFileInfo.Length.ToString())
Response.WriteFile(strPhysicalPath)
Response.Flush()
Response.End()
This seems to work fine except when the downloaded file is viewed in Excell the html code behind the page from which it came is also appended to the file. Does anyone have any idea why it does this?
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Jun 28, 2010
how to download a file , from sql server 2005 to local disk.
using asp.net and c# as my code behind, when i click on gridview column, a pop up windows should appear asking fr the path to save in local disk, when name is entered and save button is clicked, that particular file should get saved in disk.
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Sep 3, 2010
The first time that my page loads (this is after it has been deployed), it is terribly slow.
My guess is that it is still compiling dynamically, and not precompiling.When I publish through VS2008 I have "Allow this precompiled site to be updatable" unchecked and "Use fixed naming and single page assemblies" checked.Could I be missing something in my web.config file?
I can post the URL of the site if you would like to view it, but it takes 10+ seconds to load upon first visiting, and then less than 1 second to navigate the site.
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May 22, 2010
I am using the asp.net 3.5. i have development a website using master page, user control, update panel, asp.net ajax such as loading box and message box etc. when i testing the site in my local, it show with the normal speed. but after i upload the website into the live server, the loading box and message box is slow loading.if there is a popup of messagebox, it is slower and when i click the ok button on the message box. it seem close in very slow and have a duplicate box come out. i have no idea on it. why it is so slow when uploaded to the server?
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Apr 11, 2010
I have a simple web application that loads very slow the very first time after i deploy it. I am using ASP.NET 3.5 SP1 / VS 2008 / Linq / Web forms to load the default.aspx home page. It is a very light page with nothing too fancy.Now to debug this load issue, I logged all the events in the global file and got the following log text:
2010-04-10 11:58:38,083 - Application_Start
2010-04-10 11:58:38,111 - Application_BeginRequest
2010-04-10 11:58:38,117 - Application_AuthenticateRequest
2010-04-10 11:58:52,321 - Session_Start
2010-04-10 11:58:52,454 - Page_Load
2010-04-10 11:58:53,951 - End Page_load
2010-04-10 11:58:53,981 - Application_EndRequest
Now my question is, between the Application_AuthenticateRequest and Session_Start functions, there is generally around 10 - 15 seconds - which i believe seems to be the problem.The thing, I am unsure why this is slow between these two functions.I am not using any forms authentication.Also, I am not doing anything fancy in the global file besides setting a session variable.
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Aug 16, 2010
I have developed a web application in asp.net with c# with out using master page. I have developed this application in iframe.
The problem is that my application run smoothly but suddenly it stops and do some processing and it run again smoothly.
it stops any where on page load, on button click, on checkbox changed. i can not tell where it stops
it stops only when page post. i can see the processbar on browser's statusbar it stop for long time 40 to 60 seconds and after that i fire same event now process complets within 2 to 5 seconds
Hosting server detail :
1. IIS 6.0
2. Window server 2003.
3. Sql server 2005.
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Dec 20, 2010
We have an asp.net website running on IIS 6 Windows 2003. When ever we upload a class file to the App_Code folder our whole site goes down temporarily until, what I assume, compilation is complete. Has anyone else experienced this? Any other file we upload it does not do this only our class files.
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Mar 4, 2010
I am using VSTS 2008 + C# + .Net 3.5 + Silverlight 3.0 + ASP.Net to develop a Silverlight application (a video media player) in browser and the function is simple, just use MediaElement to play a remote video file.The remote server is Windows Server 2008 + IIS 7.0 + IIS Media Bit Rate Throttling Control.Since the request media URL can be discovered (e.g. from traffic sniffer), and I want to know how to prevent from download directly from the Url? i.e. I want end user to use my Silverlight media player application in browser to play the file, prevent them from download to local directly. Any easy and quick solution or reference code/documents?
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Dec 8, 2010
Over the last week I've been investigating an issue for one of our clients whereby the initial page load following a deployment of their website takes around 1 minute, resulting in unacceptable downtime for end users. This was happening not only for code deplyments (bin dll's and .config files) but also if there were large numbers of .aspx pages updated. For code deployments it's not an issue, but for aspx updates it is; in this particular scenario, we are making use of a 3rd party content management system (RedDot from OpenText) in which every page of the site is published out as a distinct .aspx page. This means that for this website there's somewhere in the region of 2,400 separate .aspx pages. I realise this isn't an ideal situation but we're working within the constraints of the CMS, and we managed to correlate the instances where the site was unresponsive with App pool restarts, which also corresponded to publications of of .aspx pages.
I found an article by Tess Ferandez [URL] which describes all the reasons why the app pool may restart, and it does seem that if more than 15 .aspx pages are changed then the app pool will recycle and the pages will be re-compiled. Another msdn article [URL] then gave me a few pointers on how to start addressing this problem, and for the moment I've set a flag on the compilation options to prevent batch compilation:
<compilation batch="false">
This means that the initial page load now takes around 6 seconds instead of 1 minute, which is a great improvement. However, I also used the "Compilations Total" performance counter to investigate the number of pages that have been compiled by ASP.NET for my site and was quite surprised that the total number of pages that get compiled peaks at 44, which is odd given that there are 2,400 aspx pages in the site. If the batch flag is set to false, the counter slowly increments by 1 page at a time as you click around on the site; if batch mode is true, the initial compilation takes the number straight to 44 over the course of ~60 seconds. What I'm really struggling to understand is why all 2,400 pages aren't compiled. Does anyone have any inside info on what might be going on as all the documentation I've read seems to indicate that all of the pages should be compiled and this counter should be much higher.
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Sep 7, 2010
I just had to moved a site of mine from a hosting service here in the states to an offshore host located in Malaysia. My database is still located on the east coast of north america and I am wondering if the distance between the database and the file system might be to blame for slow load times or if moving my database as well would be a waste of time.
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Oct 17, 2010
Using VisualWebDeveloper 2010 on the development machine. All nice and fast.Using VisualWebDeveloper 2008 on the server. Server runs on Windows Server 2008 and has IIS 7.
It looks like that when 'table', a datatabe filled up in C# code behind, is getting longer, then the server (whether running the website on IIS or on the local host of VIsualWebDeveloper2008) is really slowing down. Checked it in debug mode and traced it down to
Adapter.Update(table);
Are there any know issues? Could it be that there is incompatibility between different version of SQL server or something like that? The update works, it is just awefully slow, but only on the server.
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Nov 16, 2010
In our application, we allow user to upload documents which can be PDF, Doc, XLS, TXT. Uploaded documents will be saved on web server. We need to display link for each document user uploaded and when user click on that link, it should open relevant document. it is expected to have required software to open relevant documents.
To upload document, we use saveAs method of FileUpload control and it works absolutely fine.Now, how to view it?I believe, i need to copy/download file to local user machine and need to open it using Process.Start.For that i need to find user local temp directory. if i put path.GetTempPath(), it gives me web server directory and copy file there.
File.Copy(
sPath + dataReader["url"].ToString(),
Path.GetTempPath() + dataReader["url"].ToString(),
true);
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May 23, 2010
I have a really weird problem that I've been investigating for at least one week now. I deliver a website hosting both ASP classic and .NET 3.5 content in IIS6 on a Windows 2003 server environment with MySQL db backend. The solution has been installed on several servers (some hosted in WMWare) with no problems. On one specific server, also hosted in WMWare, the user experience great performance issues on the website. The problems are most seen when using database resources and is not limited to either .net or asp classic, but I am still not sure that the problem is only related to database calls.
Following components are involved:
IIS6 .NET FW 3.5 MyODBC 3.51 / 5.1 MySQL 4.x
Code executed on the server using all resources above runs smoothly when the IIS is not involved. The website shows times up to 2 minutes to execute code that takes 2 seconds outside the IIS. The exact same code is executed. Using profiling tools, I've seen that the great loss comes within calls to unmanaged code, for example when System.Data.ODBC namespace to calls into myodbc.dll.
The tricky part is: If at least one console user is logged in to the server, the performace problems are not seen anymore. When the user logs out, the problem appears again.I have tried to reinstall all components above, tried different versions of MyODBC, tried different website authentication methods, tried to run website under administrator privilegies, installed various MS KB's with no success.
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Oct 15, 2010
I recently got abused on these forums because I was testing with the cassini in my development environment. So now I use local iis via the settting in the properties --> web tab and then creating a virtual directory.
The problem now is that the url is:
http://Localhost/Website
The problem is that http://Localhost/ is still the root - so its gone and broke all my css and JQuery ajax calls.
I've tried playing with application root setting in the properties tab with no luck. I have been querying the interwebs and realise that I need to do something in IIS -
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May 4, 2010
I am trying to host a site on my local system and also tried it on my university server but am finding a great difficulty hosting the site. The site is made in ASP.NET C# and also have silverlight application in it. I am not able to configure or wither host the site on the server. I am having IIS 7 and Windows 7 as the OS. I have enabled IIS 7 on it. (I am using the SQL Server 2005 Express Edition and have almost no knowledge on hosting on IIS 7)
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Jun 5, 2010
I have upgraded my laptop to Windows7, VS2010, .net Framework 4 and then upgraded my ASP.NET Web Application to ASP.NET 4.I am now getting the error: The type or namespace name 'Linq' does not exist in the namespace 'System' (are you missing an assembly reference?). This error occurs in a local web service thatI have written and was working before I upgraded my system.I think this has something to do with the changes made to the web.config file when my web application was upgraded to the .net 4 Framework.I have searched the forums and Goggle, but cannot solve my issue.
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