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all groups > dotnet performance > november 2006

High Performance Xml parser
Posted by rony at 11/27/2006 9:17:59 AM
Hi, I am looking for component which allows me to parse my xml file. the reason i am asking this, is because my xml files are huge it can reach as far as 1GB more or less. the time to parse such a file is something like 5 Hours. Now i am using the XmlRead, XmlNode ... (I do not load the file to...more >>


C# Struct vs Class
Posted by Hafiz at 11/24/2006 9:24:10 PM
Hello, I have used in my program a class which is similar like this class test { int i; int j; int k; } When I create object of this type e.g 1000 copy or something for every object it takes 20 byte of memory. to reduce the memory size I have redeclared this in struct like struc...more >>

OutOfMemory Exception in Webservice with WSE 3.0 Security
Posted by Renny at 11/22/2006 11:28:02 PM
Hi, I posted this request yesterday but no response. I have my webservice with WSE3.0 Security(x509 anonymous messagelevel). I have one webmethod that returns List<MyClass> if items returned are above 3000-5000 the OOM exception occurred. But if I run webservice without WSE3.0 Security it ...more >>

How to recover from an OutOfMemoryException in ASP.NET
Posted by Rudi at 11/22/2006 7:59:01 AM
Hi, We have an ASP.NET application that can generate reports. However, some users will request soo much data that the server will throw an OutOfMemoryException. We will fix the application so that users can not attempt to get that much data back. But I still have the question why ASP.N...more >>

C# vs C
Posted by barcel at 11/19/2006 10:03:17 AM
Hi, I have a calculation library written in C compiled into a DLL. I now need to move into the .NET world and would like som advise on this. One option would be to keep the C-code in the current dll and call it directly from C#. This would require marshalling of some structs etc which could...more >>

Passing Data Between Tiers
Posted by Mike Robbins at 11/15/2006 3:27:02 PM
We are currently designing an n-tier web app in NET 2.0 (C#). There will be UI, Business, and Data Access tiers. Initially, they will all exist on the same server and in the same process, but we want to be able to break off tiers to other servers in the future if the need arises. What would...more >>

Improving Performance
Posted by Lloydy-Lee at 11/15/2006 3:51:01 AM
I am currently running windows 2000 on 1.3ghz Pentium III processor with 356mb of RAM. I've recenlty reinstalled windows 2000 and performance seems to have slowed (i am only running basic firewall, virus protection, office and internet). Is there any way that I can improve performance withou...more >>

Problem with database connectivity performance
Posted by Tobias Heed at 11/15/2006 12:21:01 AM
Hello We have a strange problem that someone maybe could help us with. We have an ASP.NET application (NET 2.0) that uses Enterprise Library (2.0) and nHibernate (1.2.0). It’s compiled for any processor and runs in a native x64 environment (2003 STE, IIS 6). It uses a SQL Server (05, x64...more >>



Very slow loading a datatable
Posted by Malhavoc at 11/14/2006 2:11:12 AM
I have an access database with a crosstable query in it. Opening that from Accees takes an eyeblink, but when I try to fill a datatable with those rows, it takes an handful of seconds; they are more or less 1500 records, and that's not good since my application needs to quickly load ten times th...more >>

Diagnosing Application Hang...
Posted by Simon Verona at 11/11/2006 11:37:34 PM
I have a problem with an application which randomly hangs on site. The symptoms are that the user will click a button - which normally would open a new form (which inevitably will create a socket connection back to a server using remoting) - but just hangs. Sometimes the application will cl...more >>

Horrible performance, multiple for loops, need help with alternati
Posted by Alex at 11/10/2006 8:24:01 AM
Hi! I have a problem getting this figured out. I am generating a CSV report based on some data I retrieve from Oracle database. Below are the details of the logic involved, but the bottom line is that using nested For Loops thus far has been the only solution that works, yet it is too slow w...more >>

Custom performance counters
Posted by kaushikbarat NO[at]SPAM gmail.com at 11/9/2006 9:48:57 AM
Hi All, Are there any guidlines while creating cutom performance counters to instrument the code? What are the types of custom performance counters commonly created? Thanks in Advance, Kaushik ...more >>

Load runner error
Posted by kumar reddy at 11/8/2006 11:03:43 AM
Hi all, I'm working on Documentum project and i started to script a basic record and playback script.When i rune the script the following error's showing up.can anyone help me on this. ERROR:Error -26612: HTTP Status-Code=500 (Internal Server Error) for "http://host:8080/webtop/webtop/classic/b...more >>

Performance of an ASP.Net application
Posted by robin9876 NO[at]SPAM hotmail.com at 11/7/2006 2:19:14 AM
After reviewing the code and compiling the application as release version, are there any other deployment and/or .Net CLR settings that can be used to improve the application performance? ...more >>

System.Security.Policy.Evidence & High Memory usage
Posted by Dinesh at 11/6/2006 11:01:02 AM
Hi, We are seeing high memory usage (1GB) and subsequently out of memory exception. We are trying to transform the documents using xslt and most importantly using System.Security.Policy.Evidence to avoid security exception and seeing lot memory rooted to this DLL. Is there any known i...more >>

HTTP file performance
Posted by smarty at 11/3/2006 12:51:02 AM
Hi, I am trying to take some latency measurement of HTTP download times for a number of zip files varying in size from 100K to 500M. I wrote some code shown below but it produces out of memory errors when the files get up to about 200M. I am not sure if the code I have produced is what I ...more >>

cursor flashes at windows startup
Posted by Gayle at 11/2/2006 8:54:01 AM
When windows is starting up and after signing on, the cursor flashes. If I press ctrl-alt-del and bring up the task list, then the icons show on the desktop and I can close the task list and continue. What is causing this?...more >>


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