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all groups > dotnet performance > february 2004

machine.config changes
Posted by basin at 2/27/2004 8:26:09 AM
..net Framework 1.1 on 2000 Serve I have made memory limit changes in the processmodel section of the machine.config as a bandaid since we host many .net apps and one of them is causing the aspnet_wp.exe to use a lot of memory and as a result apps give a system out of memory error. Do I need to re...more >>

Thread mysteriously terminates.
Posted by Sean Wolfe at 2/26/2004 7:13:24 PM
Hi, I have a class that contains a Queue. It also has a thread that runs and checks the queue to see if there is any data in it. If there is data it goes into a loop removing items from the queue, and processes the data, until the queue is empty, then waits again for more data. This class r...more >>

Increase in Memory
Posted by Yogesh S at 2/25/2004 1:41:08 PM
We have deployed a server side applications.. its basically a tradign applciations kidn of near real time app.. our machien is a 16 cpu box...what we have noticed is a wierd thing.. we have client app running on trader workstation connected to server thru remoting.. we are using workstation gc.... w...more >>

ASP .NET poor performance. Memory going unused??
Posted by gabielex NO[at]SPAM hotmail.com at 2/25/2004 11:30:19 AM
I'm running system tests against a Windows 2003 server installed in a Xeon with two processors (2.5GHz approx. each) and 1 Gb of RAM (Not running web garden though). The test basically consists on a simple navigation which loads one page, which generates six http requests. I'm running the same t...more >>

Threshold for %Time In GC?
Posted by Vishal Gupta at 2/24/2004 4:23:35 PM
Hi, I am getting confused by conflicting information i am seeing in different Microsoft white papers/MSDN TV shows about what is an acceptable threshold for % Time in GC. Erik Olson's Monitoring ASP.NET Applications MSDN TV show and the accompanying article "ASP.NET Performance Monitoring, and W...more >>

Access to .Net Perfmon Counters
Posted by Bill at 2/24/2004 3:06:17 PM
We are trying to setup the appropriate permissions for a user group to access the .Net CLR counters remotely. We are able to access the counters without issue as long as the user is in the aministrators group. I'm assume we can add the appropriate group in the the registry to allow access to these c...more >>

XML perfermance when I use ADO.net?
Posted by sandra at 2/24/2004 12:18:19 PM
Hi there Anyone know how fast for XML perfermance when I use ADO.net to read XML files on harddisk into dataset? my client need those answers. Thanks in advance Sandra ...more >>

Proxying bytes from one socket to another...
Posted by Kevin Z Grey at 2/23/2004 11:21:07 AM
Heya I have a proxy server that essentially encapsulates received data by pre-prending a few integer values for each chunk of data read off the socket. Now when the data is read, it is constructed into a "Message" object which is basically a struct of int, int, byte[], and is then dumped in...more >>



Virtual Memory Leak? What's goin' on?
Posted by Welman Jordan at 2/19/2004 5:40:17 PM
Hello all, I have several Web Applications running on a Windows 2000 Server machine. I feel very funstrated that the aspnet_wp consumes tooo much virtual memory and keep recycling day after day. It looks very strange in the Task Manager: the amount of physical memory it consumes are keep, ...more >>

Windows Forms Perfomance degradation
Posted by beau.tateyama NO[at]SPAM bofasecurities.com at 2/19/2004 2:04:07 PM
Hi, I have a couple of applications written in .NET 1.1 with syncfusion components (if that matters) deployed on win 2k machines. The Windows Form performance was ok at first, but on some machines it has degraded severely. Any idea on what could cause this? Could it be the video driver...more >>

.NET Remoting is slow!! Alternatives??
Posted by ashwinphilar NO[at]SPAM hotmail.com at 2/19/2004 7:28:20 AM
Hi!! Everyone, This is what I want to do: 1) Users log on to domain 2) All authentication is based on domain user identity This is what I am doing: 1) I can host my remote components only in IIS because of reasons stated above. 2) I am using HTTP with Binary formatting 3) Pass...more >>

How to synchronize thread?
Posted by KPH at 2/19/2004 1:41:05 AM
Hi I'm developing multi-thread program. My program always run the threads until client close the program. But a problem is thread function stop during my program is running cause there is some exception. I have timer that always checking all thread state of each threads, if they are stopped, my p...more >>

Growing Working Set Size on GUI App
Posted by Niall at 2/18/2004 12:00:17 PM
I know there have been a lot of posts in relation to GC, working set, trimming working sets, minimizing forms, etc. I've read every one I can find, but have not found a solution to my problem. The closest I ever found was the thread here recently "GC does not release memory... memory keeps growi...more >>

Random Platform slowdown
Posted by beau.tateyama NO[at]SPAM bofasecurities.com at 2/18/2004 7:00:56 AM
Hi, I have a couple of applications written in .NET 1.1 with syncfusion components (if that matters) deployed on win 2k machines. At random, .NET apps seem to degrade in performance significantly. The performance degradation is permanent on that machine. Examples of slowdown: - Drawing...more >>

System.Data.OleDb.OleDbException: System resource exceeded. ERROR
Posted by A. Moghazy at 2/18/2004 5:26:06 AM
I have a loop to create instances of my user control at run time, for example for intPageCounter=0 to intNumberOfPage dim objUser as new MyUserCtr objUser.getProducts( Panel1.Controls.Add(objUser nex The method "getProducts" connect to Acces 2003 DB every time and get DataReade...more >>

Framework 1.0 to 1.1 performance problem
Posted by Humberto at 2/17/2004 2:56:05 PM
Has anyone else experienced problems when converting applications from 1.0 to 1.1? I have an existing app that reads from a database and generates files. Once I loaded the new framework and IDE 2003 my app runs much slower. The old version ran in about 13 minutes and the new one run in about 2 hours...more >>

Performance problem with framework 1.1
Posted by Humberto at 2/17/2004 2:42:54 PM
Has anyone else experienced problems when converting applications from 1.0 to 1.1? I have an existing app that reads from a database and generates files. Once I loaded the new framework and IDE 2003 my app runs much slower. The old version ran in about 13 minutes and the new one run in about 2 hours...more >>

How to fix Big Red Cross on the screen
Posted by david at 2/16/2004 3:55:10 PM
Hi All, I have a .NET application written by C#. It works fine in the most time, but sometimes, once or twice a day, there are red cross on the screen. The position of red cross is the position of visible object, like button, datagrid. But the application still works, and when it comes back t...more >>

Too many oracle connections by using MS Data Access layer DAL
Posted by Bahl at 2/16/2004 1:36:04 PM
I am using Microsoft Application Data Application layer for Oracle to build multi tier web application. I am running into this problem of too many oracle connections opened by this DAL layer. I know DAL uses connection pooling but still there are too many connections open and application is being ...more >>

prejit or jitman
Posted by Emil at 2/15/2004 11:32:39 PM
Where can I find prejit.exe or jitman.exe file ? Jitman program enables selecting the jit method (econo-jit etc.). Emil emil1983@op.pl ...more >>

3D Points (structs vs classes)
Posted by cody at 2/14/2004 1:27:19 PM
When I have a 3-Dimensional Point is it better to use a class or a struct? I heard that if the size of the struct is greater than 16 bytes but in my feelings using a class for 3 double values (24 bytes) is overhead. In the app I've planned i would have thousands of 3DPoints, isn't it better to us...more >>

Debug vs. Release Executable size
Posted by Pocket Rocket at 2/11/2004 8:49:34 PM
I am developing an application using Windows forms, C# and Visual Studio.Net. The executable size remains the same whether I built the debug or release version. Is it normal? Am I missing something? Thanks for ur help. PR ...more >>

Remoting Performance Over Gigabit Network
Posted by Peter Morrone at 2/11/2004 11:58:14 AM
Hi All, We are doing a project where we are transfering file data via .net remoting on a TCP/Binary channel. We did initial benchmarks on a 100 mbit network and compared our file transfer to the standard windows transfer (map a drive from the remote machine and copy the file). The windows...more >>

Runtime and OS report different mem usage
Posted by gs1cl NO[at]SPAM yahoo.com at 2/11/2004 11:56:49 AM
Hi, I am working on a pure managed windows application that creates large byte arrays at run time. In fact it creates a 50M byte array when the application starts. public static byte[] buffer = new byte[1024*1024*50]; I am using System.GC.GetTotalMemory() to monitor the memory usage. It is...more >>

implement Garbage Collection
Posted by FKytinos at 2/9/2004 5:46:05 AM
Hello, My question is about memory leak in .NET. Let's say that i have form that loads another form that contains a number of controls(eg datagrids). Form2 does nothing. No data are bound to controls. When i run the program i observe the memory usage in the taskbar and i can see that memory increa...more >>

responseRestartDeadlockInterval and responseDeadlockInterval
Posted by Chris Kinsman at 2/8/2004 10:50:06 PM
I am testing these settings on IIS 6.0 and am finding that they are ignored in their entirety. Documentation that I have read seems to indicate that these are the only process model settings which are followed. Any ideas? Chris ...more >>

Abysmal performance of throw/catch in VB.NET
Posted by Danhi at 2/7/2004 5:51:05 PM
Running on a fast machine, if I issue a throw of a user defined exception, it's 6 seconds before the catch in the calling code is called. I wrote an app with nothing but a throw/catch to make sure it wasn't some other problem. This can't be normal. Is there something I'm missing Dan...more >>

Calling BinaryFormatter:Deserialize(Stream); Asynchronously
Posted by Assaf at 2/7/2004 5:28:43 PM
hi all SORRY FOR CROSSPOSTING: i did not know which group deals with this question! Question: i am looking to call the following function, ASYNCHRONOUSLY: Packet p = (Packet)this._BinaryFormatter.Deserialize(this._Stream); Can it be done? assaf ...more >>

Profiling WinForms running in Browser
Posted by Myles at 2/7/2004 8:01:06 AM
How can I do memory and cpu profiling of WinForms running in a Browser? All of the full-feature profiling tools I've looked at want an .exe...more >>

Reducing load on GC
Posted by Lord Crc at 2/5/2004 10:35:02 PM
Hi Im making a raytracer in c#. I tried profiling my app with optimizeit and found that after a short while, on average 60-80% of the total time is spent in the GC. Several times it goes for a while to 100%. I presume this is because i create a lot of temporary vectors and other classes in ...more >>

why won't JIT inline this?
Posted by trnospam NO[at]SPAM earthlink.net at 2/5/2004 6:31:46 AM
I have written a custom replacement for library function Math.Pow(double x, double y) for the specific condition of y being integer and >=0. It is twice as fast as Math.Pow(), but I cannot get the compiler to inline compile it. I've tried many different approaches, but nothing seems to work. ...more >>

huge memory usage
Posted by Vasil Buraliev at 2/4/2004 11:42:31 AM
Hallo. I started a solution in VS.NET with template for C# windwos application. The solution has several projects: -Artifacts -BusinessRules -Client -ErrorLog -Standardization .... ... .. When application is stared you can see only one form with 4 userControls included on it. Each user co...more >>

workstation and server CLR kernel
Posted by Kevin Jackson at 2/4/2004 9:30:58 AM
We have a Windows service that's written in VB 6.0 using the Desware NT Service Toolkit. We call .NET Serviced Components through interop. The CLR kernel being used is the workstation kernel. However, we are on a multi-proc xeon server and we feel that the garbage collection would work much b...more >>

About perf counters ...
Posted by Paul J. at 2/4/2004 8:28:45 AM
Hello, I start to monitor my web application with some counters and alerts ... Sometimes, i cannot start the alert with one of these messages in the event log: "There are no child processes to wait for" (however, aspnet_wp.exe is running) or "service cannot add any counter to log or...more >>

Getting file and directory counts
Posted by Stephen at 2/2/2004 2:01:10 PM
I'm trying to write an application which will count the number of files and folders on my hard drive (c:\). I have tried using the Directory class, using the GetDirectories method to recursively go through my folders and using GetFiles to count the files. public void getCounts(string directo...more >>


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