Groups | Blog | Home


Archived Months
June 2003
July 2003
August 2003
September 2003
October 2003
November 2003
December 2003
January 2004
February 2004
March 2004
April 2004
May 2004
June 2004
July 2004
August 2004
September 2004
October 2004
November 2004
December 2004
January 2005
February 2005
March 2005
April 2005
May 2005
June 2005
July 2005
August 2005
September 2005
October 2005
November 2005
December 2005
January 2006
February 2006
March 2006
April 2006
May 2006
June 2006
July 2006
August 2006
September 2006
October 2006
November 2006
December 2006
January 2007
February 2007
March 2007
April 2007
May 2007
June 2007
July 2007
August 2007
September 2007
October 2007
November 2007
December 2007
January 2008
February 2008
March 2008
April 2008
May 2008
June 2008
all groups > dotnet performance > december 2005

1.1 Framework redirecting to 2.0 causing slow Array.Sort
Posted by Robert Colfin at 12/29/2005 1:44:22 PM
The file 'names.txt' contains a collection of 45000 names each separated by a space. When compiled in .NET 1.1, and running in 1.1, this code is fast, taking maybe a second to execute. Also, when compiled in .NET 2.0, and running in 2.0, this code is fast. However, if I compile this code i...more >>


Error on Microsoft document ( Improving .NET Application Performan
Posted by Abelardo Vacca at 12/27/2005 6:47:02 AM
Hello everyone, I believe I have found an error in one of microsoft pattern and practices documents (Improving .NET Performance and Scalability.) In the How To: Page Records in .NET Applications section, on page 924, they explain a "User-Specific" technique for paging records, which uses a...more >>

.net memory leak problem in exe
Posted by anandav2001 NO[at]SPAM gmail.com at 12/22/2005 1:51:52 AM
Hello developers, I have created an executable(system tray application) in VS.net 2003 using VB.net. My app was taking 30 MB memory(since some web services call are there which happens for each 10 sec checking internet is available or not). Inorder to reduce huge memory consumption, what i ...more >>

Memory Usage - Return Type
Posted by Zeeshan Gulzar at 12/21/2005 8:25:02 PM
Is there any difference in following two codes, regarding memory consumption as well as Performance ArrayList x = GetArrayList(); ArrayList GetArrayList() { ArrayList b = new ArrayList(); // Store some works in ArrayList b return b; } -----------------------------...more >>

Cache Dependencies in Winforms??
Posted by Vinit at 12/19/2005 11:01:53 AM
Hello I have a C# application and am caching some data on the client side by using a HashTable. Is there a way I can set Cache dependencies like a time factor by which my cache is updated by making a call to the webservice, as and when the time expires? I believe on the server side this is ...more >>

GC Roots? How to iterate long-lived objects?
Posted by MarkR at 12/19/2005 4:57:20 AM
Hi, all: I have a C# application that slows down over time, and and I'm trying to figure out what the causes might be. One suspect is long-lived objects -- is there a good way to generate the object graph the garbage collector uses, so I can see which objects remain uncollectable? I expe...more >>

== Why there is a huge jump in the time used? ==
Posted by J.J. at 12/13/2005 7:49:01 PM
Hi, I've a quetion which has bugged me for quite a while. I wrote a C#/.NET Web service which is hosted by IIS 5.1 on a Windows XP SP2 machine. This Web service just get the content of the specified txt file and send the content back to the client. The processing time on the server side ...more >>

returning business rule validation via method out parameter
Posted by Robin at 12/13/2005 1:42:45 PM
Hi, I have a method that returns a dataset to the client. There will be times when the method should not return a dataset because it would violate a business rule. The issue I have is that I need to return the type of business rule violation to the client. I can throw a business rule except...more >>



DataTable Performance in .NET framework 2
Posted by Siva. at 12/13/2005 9:16:06 AM
Hi, I am working on a .NET Winforms remoting application works on .NET Framework v1.1 and there are some performance bottle necks with DataTable and we are using Syncfusion third party grid control for data display. I heard that .NET framework version 2.0 improves the performance in general....more >>

Need lightweight custom windows grid
Posted by Rajat at 12/12/2005 3:14:19 PM
Hi, I am receiving data from an external source in form of events. The incoming events are very fast. Initially I was using windows datagrid control to display the data, but it seems to be very slow. Please tell me, how can I create my own custom lightweight grid to solve this issue or poin...more >>

Adding performance counters freezes
Posted by james henderson at 12/10/2005 3:23:01 AM
Hi, When I click add counter in the performance monitor I don't receive a list of counters, in fact nothing happens and the program freezes. I get the same result when I open the counters node in Visual Studio 2003 in the server explorer. I use Windows XP professional which I upgraded to serv...more >>

ASP.NET OutOfMemoryException
Posted by kevin.kenny NO[at]SPAM zygonia.net at 12/9/2005 7:14:38 AM
Hi All, We are having problems with OutOfMemoryExceptions in our hosting environment. The web servers are running Windows 2003 web edition with 2GB of physical RAM and the page file size set to 3.5GB. The ASP.NET worker process memory usage reaches roughly 800MB and then we start to get ...more >>

CLR Profiler for Whidbey final
Posted by Bele din Carpati at 12/8/2005 9:33:06 PM
I suspect I have some memory leaks in a .NET Application wrote with VStudio 2005 final. I want to debug it using CLR Profiler but I didn't found a version that works with final version of .NET framework (Whidbey). Can someone tell me if such a version exists and where or when is expected t...more >>

Hyperthreading causing issue
Posted by javed74 NO[at]SPAM gmail.com at 12/8/2005 1:13:44 PM
Hi Guys, We just deployed our asp.net application on Xeon dual processor with Hyperthreading turned on. OS Windows 2003 (Web Edition) .NET Framework 1.1 While stress testing with 1 wp, we get better throughput/RPS then with enabling webGarden - 4 wps. Multiple worker processors with Hypert...more >>

Dispose
Posted by James Jenkins at 12/7/2005 4:41:39 PM
I have a question regarding disposing of objects. Lets say I create a Process[] to enumerate - should I call .Dispose on each of these Process' ? - This is how I am doing it at the moment - Process[] prcs =System.Diagnostics.Process.GetProcesses(); for ( int i = 0; i < prcs.Length;i++ ) ...more >>

PF Delta
Posted by James Jenkins at 12/7/2005 4:23:52 PM
Hi I have a C# app which opens a process and reads the output via a streamreader - the program reads the output from netstat. The amount of PF Delta goes up to 400 + ... I am concerned about this, however I do not have a memory leak, Page file is static and memory usage is also static. I woul...more >>

Performance problem on the non-installed user
Posted by David Harakos at 12/7/2005 10:21:51 AM
Not sure what we are doing wrong here, any help GREATLY appreaciated. We are installing a Winforms / VB.Net package on a PC (Tested on Virtual PC + Terminal Services + Citrix -> 3 different boxes, all with the same result). The user we use to install the application works perfectly and very ...more >>

Performance of GetRequestStream very slow
Posted by Kees Spoelstra at 12/5/2005 1:00:21 AM
We're running into problems with posting data via the webrequest classes. More specific, getting the request stream takes forever (about 300 ms every time) while the http request itself takes about 70ms. Does anybody know of any issues with GetRequestStream ? Regards, Kees ...more >>

Poor Drawing Performance on Inherited WinForms
Posted by Mark Essex at 12/4/2005 7:59:08 PM
We have a SmartClient application that utilizes Visual Inheritance on many of the forms. We have noticed that these forms are much slower to 'initialize' when the are first drawn. I don't know if it is because the InitializeComponent() method is being called on each level, thus the Suspend...more >>

Portal site
Posted by dkode8 NO[at]SPAM gmail.com at 12/2/2005 4:49:09 AM
Hello, I am starting to plan a portal site that will eventually (hopefully) increase exponetianlly in the amount of traffic to the site. I am planning to do this in a 3-tier/4-tier layout, I'm just wondering of any design considerations before I embark. One thing I was thinking of is or...more >>


DevelopmentNow Blog