Slow Of First Page - Running On Windows / IIS
Mar 16, 2011
I'm more into the LAMP stack, but I've been asked to work on a site that is running Windows and IIS 2008. I'm a beginner with IIS, so please be patient with me on this, and please ask me to provide more information if that is needed to determine. I read the answer here (Slow first page load on asp.net site), but it seems like if I go to the site with one browser it takes long to load the first page, then fast on all other pages, then if I open up another browser, it's the same thing, so it's not something that is saved on the server, but per session? Is there a way to have the application running at all times? Right now it is taking 12 to 15 seconds for the first page to load. I have access to the WebControlCenter and FTP.
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Aug 31, 2010
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Mar 19, 2011
The below SQL query is running extremely slow. Im using this query on other tables and its processing about 5 rows per second. The below version is running 1 row every 10 seconds when @SQLNew is executed.
[Code]....
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Feb 22, 2011
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I am using AUtomapper which I am very impressed with however, I have a complex object with many nested collections. I'm using Telerik OpenAccess and it returns the 1400 records fast but when I pass it to Automapper and it slows to a ridiculous crawl. Here is my code for reference:
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Nov 15, 2010
One of my peer wrote a query based on multiple tables using joins. One of the table is in a different database The query was taking much time
1. Create an SP
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3. Avoid using Left Join as much as possible and use Inner Join
4. Create and use indexes
5. Remove tables/columns that are not necessary
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Nov 27, 2014
I'm new in using C# in ASP.net My code is causing Internet Explorer to run slow and return error message asking to stop running this script.
When I use the "Select *...", it return about 700 rows of records and it cause the error.
When I use another SQL "Select NOC0854....", filtering some records, it return about 300 rows of records and no error message appear.
How I can improve my code so that I can retrieve all records from my table? I think 700 rows of records doesn't seem a lot, maybe my code is not correct?
Code:
//cmd.CommandText = "Select * from PTH3759";
cmd.CommandText = "SELECT NOC0854 from PTH3759 WHERE HID0019 >= TO_DATE('11/01/2014','MM/DD/YYYY') AND HID0019 <= TO_DATE('11/28/2014','MM/DD/YYYY')";
cmd.CommandType = CommandType.Text;
OracleDataReader dr = cmd.ExecuteReader();
if (dr.HasRows) {
GridView1.DataSource = cmd.ExecuteReader();
GridView1.DataBind();
}
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Mar 11, 2011
I have developed an application that interacts with IBM ClearQuest. The problem is that when I run everything locally, such as, run the webservice local and then ASP page local everything is at the speed I expect. When I post the webservice (precompiled) to the server and run the web page through the server, the call to the webmethod takes at least 10x the amount of time it should. I dont know why this is happening. I made a console application that has the function in question and execute it on the server and locally and they both return the same amounts of time (roughly) its just when I move to executing via the webmethod everything grinds to a snails pace. Any ideas? This happens every time not just on the first call.
WebMethod:
Public Function RetrieveQueryResults(ByRef cqSession As ClearQuestOleServer.Session, _
ByVal sqlStmt As String) As List(Of SearchResultsSingleIssue)
Dim numCols As Integer, status As Integer, columnIdx As Integer
Dim numRows As Integer
Dim rowContents As String = ""
Dim colValue As New Object
Dim colLabel As New Object
Dim allitems As New List(Of SearchResultsSingleIssue)
Dim results As New SearchResultsSingleIssue
Dim cqResultSet As ClearQuestOleServer.OAdResultset
cqResultSet = cqSession.BuildSQLQuery(sqlStmt)
cqResultSet.Execute()
' Get the number of columns returned by the query.
numRows = 0
numCols = cqResultSet.GetNumberOfColumns
status = cqResultSet.MoveNext
' Collect query results.
Do While status = AD_SUCCESS
results = New SearchResultsSingleIssue
numRows = numRows + 1
For columnIdx = 1 To numCols
colLabel = cqResultSet.GetColumnLabel(columnIdx)
colValue = cqResultSet.GetColumnValue(columnIdx)
'Make sure that we dont pass along a null reference
If colValue = Nothing Then
colValue = ""
End If
Select Case colLabel
Case "ID"
results.IssueID = colValue
Case "HEADLINE"
results.Headline = colValue
Case "NAME"
results.State = colValue
Case "OE_CONTACT"
results.OEContact = colValue
Case "DESCRIPTION"
results.Further_Description = colValue
Case "PRODUCT_NAME"
results.Product_Name = colValue
Case "FUNCTIONAL_AREA"
results.Functional_Area = colValue
Case "SUBTOPIC"
results.Subtopic = colValue
Case "FOUND_VERSION"
results.Found_In = colValue
Case "SCHEDULED_VERSION"
results.Scheduled_For = colValue
Case "SYMPTOMS"
results.Symptoms = colValue
Case "AFFECTED_SYSTEMS"
results.Affected_System_Types = colValue
Case "ISSUE_TYPE"
results.Issue_Type = colValue
Case "ASSIGNED_TO"
results.Assigned_Developer = colValue
Case "TESTED_BY"
results.Assigned_Tester = colValue
Case "BUILT_VERSION"
results.Built_In = colValue
Case "TESTED_VERSION"
results.Tested_In = colValue
Case "NOTES_LOG"
results.Notes_Log = colValue
Case "CUSTOMER_SEVERITY"
results.Severity = colValue
Case "PRIORITY"
results.Priority = colValue
End Select
Next columnIdx
' Add the query row result to the compiled list of all rows.
allitems.Add(results)
status = cqResultSet.MoveNext
Loop
Return allitems
End Function
Local Windows Application Method:
private void button2_Click(object sender, EventArgs e)
{
start = DateTime.Now.TimeOfDay.Seconds;
int numCols = 0;
int status = 0;
int columnIdx = 0;
int numRows = 0;
string rowContents = "";
string colValue;
string colLabel;
List<SearchResultsSingleIssue> allitems = new List<SearchResultsSingleIssue>();
SearchResultsSingleIssue results = new SearchResultsSingleIssue();
ClearQuestOleServer.OAdResultset cqResultSet = default(ClearQuestOleServer.OAdResultset);
cqResultSet = (ClearQuestOleServer.OAdResultset)ClearQuestSession.BuildSQLQuery(sqlStatement);
cqResultSet.Execute();
// Get the number of columns returned by the query.
numRows = 0;
numCols = cqResultSet.GetNumberOfColumns();
status = cqResultSet.MoveNext();
// Collect query results.
while (status == 1)
{
results = new SearchResultsSingleIssue();
numRows = numRows + 1;
for (columnIdx = 1; columnIdx <= numCols; columnIdx++)
{
colLabel = (string)cqResultSet.GetColumnLabel(columnIdx);
colValue = (string)cqResultSet.GetColumnValue(columnIdx);
//Make sure that we dont pass along a null reference
if (colValue == null)
{
colValue = "";
}
switch (colLabel)
{
case "ID":
results.IssueID = colValue;
break;
case "HEADLINE":
results.Headline = colValue;
break;
case "NAME":
results.State = colValue;
break;
case "OE_CONTACT":
results.OEContact = colValue;
break;
case "DESCRIPTION":
results.Further_Description = colValue;
break;
case "PRODUCT_NAME":
results.Product_Name = colValue;
break;
case "FUNCTIONAL_AREA":
results.Functional_Area = colValue;
break;
case "SUBTOPIC":
results.Subtopic = colValue;
break;
case "FOUND_VERSION":
results.Found_In = colValue;
break;
case "SCHEDULED_VERSION":
results.Scheduled_For = colValue;
break;
case "SYMPTOMS":
results.Symptoms = colValue;
break;
case "AFFECTED_SYSTEMS":
results.Affected_System_Types = colValue;
break;
case "ISSUE_TYPE":
results.Issue_Type = colValue;
break;
case "ASSIGNED_TO":
results.Assigned_Developer = colValue;
break;
case "TESTED_BY":
results.Assigned_Tester = colValue;
break;
case "BUILT_VERSION":
results.Built_In = colValue;
break;
case "TESTED_VERSION":
results.Tested_In = colValue;
break;
case "NOTES_LOG":
results.Notes_Log = colValue;
break;
case "CUSTOMER_SEVERITY":
results.Severity = colValue;
break;
case "PRIORITY":
results.Priority = colValue;
break;
}
}
// Add the query row result to the compiled list of all rows.
allitems.Add(results);
status = cqResultSet.MoveNext();
}
seconds = (DateTime.Now.TimeOfDay.Seconds - start);
label3.Text = seconds.ToString();
}
The code should execute in about...6 seconds.
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Mar 10, 2010
Currently we are running an application build in VB6,ASP,Commerce Server2000 and Sql Server 2000. This application is running in Windows 2000 server.Now we are planning to migrate Windows server 2000 to Windows 2008.Will this application run in Windows 2008 or do we need to upgrade this application to dotnet and Sql 2008?
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Jul 16, 2010
I recently upgraded to Windows 7 Ultimate on my work computer. Before this debugging a website in Visual Web Developer 2008 was really fast - the page loaded up like a normal website would.
Since I've upgraded to Windows 7 the page loads like normal but gets stuck for about 30 seconds at the end of the load - this is slowing me down as I normally need to use the FireBug tool as soon as the page has loaded.
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Mar 5, 2010
Having real trouble using my local host to test sites. It runs extremely slow! Sometimes up to a minute to load a page. I'm using firefox and the sites i'm testing run fine on other developers in my office local machines/ on the production server.
I've gone through the normal things :-
Disabled IPv6
Not running in debug mood Put the site in the highest app pool (High Isolated) on IIS 6.Taking of firewalls etc.The problem only seems to occur when hitting pages which contain some form of .net code in the code-behind.
Appreciate that this a little bit of a vague topic / stab in the dark but would appreciate any sort of advice - it's horrible waiting a minute each refresh to try out a change!
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Feb 18, 2011
Does anybody see any problem running an APS.Net 2.0 application on more than one browser windows at the same time concurrently? Users are accessing the application with IE and they do Control+N and access the same application in another windows and use both windows concurrently. Would there be any issue coming from session or anything such that I need to be concerned?
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Feb 13, 2010
Is it possible to run ASP.NET 1.1 on the Windows Azure?
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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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Feb 8, 2010
1)My Windows services application folder is MyWInservice
2)Executable .exe i.e. “myServices .exe“ file located under MyWInservice \myServicesinDebug
3)I have RUN bat file
C:WINDOWSMicrosoft.NETFrameworkv2.0.50727InstallUtil.exe /u "myServices.exe"
C:WINDOWSMicrosoft.NETFrameworkv2.0.50727InstallUtil.exe "myServices.exe"
4)After running InstallUtil, myServices.InstallLog and myServices.InstallStategenerated under .. binDebug folder.
5)Upon pressing F5, I still get the same error.
Error is:
Windows Service Start Failure,Cannot start service from the command line or a debugger. A Windows Service must first be installed (using installutil.exe) and then started with the ServerExplorer, Windows Services Administrative tool or the NET START command.
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Mar 29, 2011
Hello all. I created a class that runs fine when using it with web forms, however when i create a Windows service and try to run it I recieve a NullReference error. Im not sure what else to do since the class works fine.Here is a snippet.
The service
public partial class Service1 : ServiceBase
{
//Timer object
Timer RunTime;
QBridge bridge_object = new QBridge()
double test_interval = 40000; //test value
public Service1()
{
InitializeComponent();
}
protected override void OnStart(string[] args)
{
//Send email notification that intakes were pushed
//bridge_object.SendNotification(bridge_object.service_startedtext);
RunTime = new Timer(30000);
//set the elapsed event
RunTime.Elapsed += new ElapsedEventHandler(RunTime_Elapsed);
//RunTime.Interval = SetInterval(); //calculated interval
RunTime.Interval = test_interval; // test interval
RunTime.Enbled = true; //set timer to true
//QBridge bridge_object = new QBridge();
//bridge_object.SendNotification("start");
//SendNotification("start");
}
protected override void OnStop()
{
RunTime.Enabled = false; RunTime.Dispose();
try
{
bridge_object.SendNotification("stop");
}
catch (NullReferenceException nre) { System.Windows.Forms.MessageBox.Show("Error " + nre); }
catch (Exception er) { System.Windows.Forms.MessageBox.Show("Error " + er); }
//SendNotification("end");
}
//Included this to test locally. works fine when just calling the method
protected void RunTime_Elapsed(object source, ElapsedEventArgs e)
{
//SendNotification("run");
try
{
bridge_object.SendNotification(run);
}
catch (NullReferenceException nre) { System.Windows.Forms.MessageBox.Show("Error " + nre); }
catch (Exception er) { System.Windows.Forms.MessageBox.Show("Error " + er); }
}
public void SendNotification(string email_text)
{
MailMessage initial = new MailMessage();
initial.Bcc.Add(new MailAddress(""));
initial.From = new MailAddress("");
initial.Subject = "Web notification";
initial.IsBodyHtml = true;
initial.Body = email_text;
SmtpClient mailClient = new SmtpClient("192.168.1.1");
try
{
mailClient.Send(initial);
}
catch (Exception ex) { }
}
}
Class
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Net.Mail;
using System.IO;
using System.Configuration;
using System.Data.SqlClient;
using System.Data;
namespace Intake
{
public class QBridge
{
SqlConnection con =
new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);
private string login_error;
public QBridge()
{
}
public void SendNotification(string email_text)
{
MailMessage initial = new MailMessage();
initial.Bcc.Add(new MailAddress(""));
initial.From = new MailAddress("");
initial.Subject = "Web notification";
initial.IsBodyHtml = true;
initial.Body = email_text;
SmtpClient mailClient = new SmtpClient("192.168.1.1");
try
{
mailClient.Send(initial);
}
catch (Exception ex) { }
}
}
}
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Feb 16, 2010
I have a web form and code snippet for it is below:
<body>
<form
id="form1" runat="server">
<div>
<h5>Welcome
<%= System.Security.Principal.WindowsIdentity.GetCurrent().Name
%>.........
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Mar 4, 2010
I have created three basic websites using VS2010 and they are working fine when invidually run from visual studio. But in order to get the full functionality of the websites, they have to be run simultaneously. There are iframes inside one contaning pages from other website.
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Feb 12, 2011
I want to implement client certificate in IIS 7.5 in windows 7. As per my knowladge I need to setup server certificate first for IIS. But I could not figure out how to do that.
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Sep 6, 2010
I want to run an ASP.Net application on Windows Server 2003 and access it over a LAN.
Like http://serverIP/sitename.com
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Jun 6, 2010
I wasnt sure where this question best belongs, in the end I figured this was the best place...
Say I have a utility dll that i might use in either a windows console application or in an asp.net web application - how can I programatically find whether it is running on web or windows, from within the dll?
I feel like this is something I should know by now, maybe some property of AppDomain.CurrentDomain, or Environment, but I just can't find it.
The reason I'm asking is because I'm playing around with nHibernate for asp and I seem to need different session handling when running in asp.net, compared to when i'm running integration tests. So if someone knows how i can solve this without programatically checking the context of the application, then that'd be great too.
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Mar 25, 2011
We have an web application which has been working fine on XP but which fails on Windows 7.I have a page where I'm executing several procedures on server-side and then must execute a vbscript function on client-side which I'm registering from my server code.The problem is after postback completed vbScript function is not executed at all.... even a simple "Alert" statement is not executed but only using Windows 7.... same code works fine on windows XP...
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Jun 3, 2010
I am running a web application in vs-2008 on windows 2003 server.While execution of .net application, I am getting an error as"Unable to start debugging on the web server. Unable to connect to the web server. Verify that web server is running and that incoming HTTP requests are not blocked by firewall."
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