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Performance

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FREE dynaTrace AJAX Edition 1.6 available for public download

published 3 days, 11 hours, 12 minutes ago posted by

grabnerandi 4 days, 7 hours, 27 minutes ago

FREE dynaTrace AJAX Edition 1.6 available for public download

Existing users of the dynaTrace AJAX Edition receive the update notification about the latest available version when opening your current dynaTrace AJAX Edition. Everybody else out there that needs a FREE tool for JavaScript/AJAX Performance Analysis for Internet Explorer 6, 7 & 8 can go ahead and download it from our download page.What does dynaTrace AJAX Edition do for you? It allows you to analyze your web site performance and point problems to bad performing JavaScript code (either your own or c... (more)

category: Ajax | clicked: 36 | comment | | source: blog.dynatrace.com

tags: Performance, Tools, Web

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Linq to SQL: Delete an entity using Primary Key only

posted by

omaralzabir 4 days, 16 hours, 9 minutes ago

Linq to SQL: Delete an entity using Primary Key only Linq to Sql does not come with a function like .Delete(ID) which allows you to delete an entity using it’s primary key. You have to first get the object that you want to delete and then call .DeleteOnSubmit(obj) to queue it for delete. Then you have to call DataContext.SubmitChanges() to play the delete queries on database. So, how to delete object without getting them from database and avoid database roundtrip? You can call this function using Del... (more)

category: Architecture | clicked: 1 | comment | | source: weblogs.asp.net

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tags: Linq To SQL, Performance

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99.99% available ASP.NET and SQL Server Production Architecture for SaaS

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omaralzabir 4 days, 16 hours, 10 minutes ago

99.99% available ASP.NET and SQL Server Production Architecture for SaaS You have a hot ASP.NET+SQL Server product, growing at thousand users per day and you have hit the limit of your own garage hosting capability. Now that you have enough VC money in your pocket, you are planning to go out and host on some real hosting facility, maybe a colocation or managed hosting. So, you are thinking, how to design a physical architecture that will ensure performance, scalability, security and availability of your... (more)

category: Architecture | clicked: 1 | comment | | source: weblogs.asp.net

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tags: ASP.NET, Performance, SaaS, Scalability

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Linq to Sql solve transaction deadlock and query timeout problems using uncommitted reads

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omaralzabir 4 days, 16 hours, 11 minutes ago

Linq to Sql solve transaction deadlock and query timeout problems using uncommitted reads When your database tables start accumulating thousands of rows and many users start working on the same table concurrently, SELECT queries on the tables start producing lock contentions and transaction deadlocks. This is a common problem in any high volume website. As soon as you start getting several concurrent users hitting your website that results in SELECT queries on some large table like aspnet_users table th... (more)

category: Architecture | clicked: 2 | comment | | source: weblogs.asp.net

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tags: Linq To SQL, Performance

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Optimize ASP.NET Membership Stored Procedures for greater speed and scalability

published 9 hours, 23 minutes ago posted by

omaralzabir 4 days, 16 hours, 14 minutes ago

Optimize ASP.NET Membership Stored Procedures for greater speed and scalability Last year at Pageflakes, when we were getting millions of hits per day, we were having query timeout due to lock timeout and Transaction Deadlock errors. These locks were produced from aspnetUsers and aspnetMembership tables. Since both of these tables are very high read (almost every request causes a read on these tables) and high write (every anonymous visit creates a row on aspnet_Users), there were just way too many lo... (more)

category: ASP.NET | clicked: 36 | comment | | source: weblogs.asp.net

tags: ASP.NET, Performance

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Identify Performance Bottlenecks in your BizTalk Environment – Part II

published 7 days, 6 hours, 36 minutes ago posted by

grabnerandi 8 days, 10 hours, 12 minutes ago

Identify Performance Bottlenecks in your BizTalk Environment – Part II

In Part I of this blog series I gave a general overview of BizTalk - the components that are involved in message processing and talked about how BizTalk specific performance counters can help spotting problematic areas. In this post we go beyond performance counters (even though we still need them) and take a deep-dive into adapters and pipelines.Step 2: Analyzing BizTalk Adapters On the incoming or receiving side of BizTalk – Adapters receive artifacts, e.g.: the File Adapter reads files from disk that... (more)

category: Architecture | clicked: 20 | comment | | source: blog.dynatrace.com

tags: BizTalk, Performance

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Identify Performance Bottlenecks in your BizTalk Environment – Part I

published 15 days, 22 hours, 11 minutes ago posted by

grabnerandi 16 days, 19 hours, 36 minutes ago

Identify Performance Bottlenecks in your BizTalk Environment – Part I

Microsoft BizTalk enables companies to integrate and automate their business process (BPM). In a BizTalk environment messages are picked up by adapters and put through a robust message infrastructure where an orchestration engine allows you to implement your business processes. Along the way – a message takes – there are several points where performance of the overall message processing can be negatively impacted and therefore impacts your business. I plan a series of blog entries on how to Identify Bot... (more)

category: Architecture | clicked: 4 | comment | | source: blog.dynatrace.com

tags: BizTalk, Performance

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Optimising date filtered SQL queries | AdaTheDev

posted by

AdaTheDev 19 days, 14 hours, 29 minutes ago

Optimising date filtered SQL queries | AdaTheDev

How you structure your SQL queries is very important and choosing the wrong approach can have big effects on the performance of the query. This article shows the difference between an optimal query and a sub-optimal query resulting from subtle changes to the approach taken. (more)

category: SQL | clicked: 2 | comment | | source: www.adathedev.co.uk

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tags: index, optimisation, Performance, SQL, SQLServer

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SQL Server 2008 - Table Valued Parameters vs XML vs CSV | AdaTheDev

posted by

AdaTheDev 19 days, 14 hours, 33 minutes ago

SQL Server 2008 - Table Valued Parameters vs XML vs CSV | AdaTheDev

A performance walkthrough of passing a dynamic number of values to an stored procedure using the new table valued parameter support within SQL Server 2008, in comparison with XML and CSV parameter approaches. (more)

category: SQL | clicked: 1 | comment | | source: www.adathedev.co.uk

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tags: Performance, SQL, SQLServer

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How to Speed Up sites like vancouver2010.com by more than 50% in 5 minutes

posted by

grabnerandi 19 days, 19 hours, 1 minute ago

How to Speed Up sites like vancouver2010.com by more than 50% in 5 minutes

Many Web Sites that use JavaScript frameworks to make the site more interactive and more appealing to the end user suffer from poor performance. Over the past couple of months I’ve been contacted by users of our FREE dynaTrace AJAX Edition asking me to help them analyze their problems. In doing so, I’ve developed a standard approach in order to get to a high-level analysis result in 5 minutes. As the Winter Olympics are a hot topic right now I checked out vancouver2010.com to see if they have any potent... (more)

category: Ajax | clicked: 17 | comment | | source: blog.dynatrace.com

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tags: JavaScript, jQuery, Performance, Web, web 2.0

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Sorting a DataTable - LINQ performance | AdaTheDev

published 18 days, 16 hours, 40 minutes ago posted by

AdaTheDev 20 days, 4 hours, 42 minutes ago

Sorting a DataTable - LINQ performance | AdaTheDev

There are a number of ways to sort the data within a DataTable and this article compares 3 ways to find out what the performance difference is between the different approaches, and which offers the most scalable solution. (more)

category: Foundation | clicked: 11 | comment | | source: www.adathedev.co.uk

tags: DataTable, Linq, Performance

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High performance bulk loading to SQL Server using SqlBulkCopy | AdaTheDev

published 18 days, 16 hours, 40 minutes ago posted by

AdaTheDev 20 days, 4 hours, 47 minutes ago

High performance bulk loading to SQL Server using SqlBulkCopy | AdaTheDev

If you ever want to bulk load data into an SQL Server database as quickly as possible, the SqlBulkCopy class is your friend (in the System.Data.SqlClient namespace). Since being introduced in .NET 2.0, it has provided an extremely efficient way to bulk load data into SQL Server, and is one the classes that I see as a "must know about". A usual scenario is where you want to dump some data into the database to then do some processing on. Or you want to temporarily load some data in to then query to get som... (more)

category: SQL | clicked: 12 | comment | | source: www.adathedev.co.uk

tags: ADO.NET, Performance, SQLBulkCopy, SQLServer, SQL-Server

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The Real Performance Overhead of CSS Expressions

published 24 days, 8 hours, 49 minutes ago posted by

grabnerandi 25 days, 7 hours, 1 minute ago

The Real Performance Overhead of CSS Expressions

Steve Souders wrote this in Best Practices for Speeding up Your Web Site regarding CSS Expressions: “CSS expressions are a powerful (and dangerous) way to set CSS properties dynamically” … and … “The problem with expressions is that they are evaluated more frequently than most people expect” Last week I worked with a user of the dynaTrace AJAX Edition. Their team has done some performance investigations with CSS Expressions and came up with an interesting discovery which totally backs Steve’s comme... (more)

category: Ajax | clicked: 38 | comment | | source: blog.dynatrace.com

tags: Internet Explorer, JavaScript, Performance, Rendering

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JEF CLAES ON .NET AND LIFE: Webforms lessons learned the hard way (Part 1)

published 25 days, 11 hours, 22 minutes ago posted by

http://jclaes.blogspot.com/ 27 days, 7 hours, 15 minutes ago

JEF CLAES ON .NET AND LIFE: Webforms lessons learned the hard way (Part 1)

I've been spending a lot of my days in Webforms the last two years. In this post I want to share some best practices I've learned the hard way over these years. A lot of MVC developers might think this post comes a bit late (who still cares about Webforms?!), I do think (in the real world) a lot of the ASP.NET developers are still using Webforms. This post is directly targeting them.. (more)

category: ASP.NET | clicked: 29 | comment | | source: jclaes.blogspot.com

tags: Best Practices, Designer, Performance, ViewState

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Performance Tracing For Your Applications via Enterprise Library | Adventures in HttpContext

posted by

https://www.google.com/accounts/o8/id?id=AItOawk49Py_XJbm7y9rwOTlWTv4kEpMlEyv2aw 28 days, 20 hours, 14 minutes ago

Performance Tracing For Your Applications via Enterprise Library | Adventures in HttpContext

Performance is one of the most important, yet often overlooked, aspects of programming. It’s usually not something you worry about until it gets really bad. And at that point, you have layers of code you need to sift through to figure out where you can remove bottlenecks. It’s also tricky, especially on complex, process orientated sys... (more)

category: Architecture | clicked: 5 | comment | | source: www.michaelhamrah.com

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tags: C#, Performance

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Writing object to object mapper: my mapper vs AutoMapper

published 27 days, 11 hours, 18 minutes ago posted by

gpeipman 29 days, 16 hours, 25 minutes ago

Writing object to object mapper: my mapper vs AutoMapper

As my object to object mapper is now almost completed and I am sure it is good idea to stay on LCG (Lightweight Code Generation) I can now compare the performance of my mapper to AutoMapper. (more)

category: Foundation | clicked: 46 | comment | | source: weblogs.asp.net

tags: .NET, C#, object to object mapping, Performance

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Writing object to object mapper: moving to generics

published 30 days, 11 hours, 10 minutes ago posted by

gpeipman 30 days, 22 hours, 18 minutes ago

Writing object to object mapper: moving to generics

In my previous posting about object to object mapping Writing object to object mapper: first implementations I wrote first and simple implementations of mapper. These implementations based heavily on reflection. In this posting I will boost up mapper performance by using generics. (more)

category: Foundation | clicked: 40 | comment | | source: weblogs.asp.net

tags: .NET, lcg, object to object mapping, Performance

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.NET CF and Windows Mobile Performance Best Practices

published 31 days, 12 hours, 11 minutes ago posted by

nightman 32 days, 20 hours, 18 minutes ago

.NET CF and Windows Mobile Performance Best Practices

The impact of performance is much more readily apparent in .NET Compact Framework applications. The mobile devices commonly have a CPU that is 10 times slower than your desktop CPU, and possibly up to 100 times less RAM than a desktop or server. In Agile or XP development, the mantra is often to ignore performance considerations until necessary – I don’t think you can apply that to .NET CF... (more)

category: Architecture | clicked: 43 | comment | | source: jsprunger.com

tags: .NET CF, Best Practices, C#, Performance, Windows Mobile

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ASP.NET MVC Performance II: Optimizing resources

published 33 days, 9 hours ago posted by

gpeipman 34 days, 13 hours, 5 minutes ago

ASP.NET MVC Performance II: Optimizing resources

In my previous posting about ASP.NET MVC performance I showed you how to combine resources like scripts, style sheets and images. In this posting I will show you how to minimize resources so we don’t waste the bandwidth we got. (more)

category: ASP.NET | clicked: 95 | comment | | source: weblogs.asp.net

tags: ASP.NET, MVC, optimizing, Performance

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ASP.NET MVC Performance I: Combining resources

published 34 days, 11 hours, 21 minutes ago posted by

gpeipman 35 days, 8 hours, 36 minutes ago

ASP.NET MVC Performance I: Combining resources

I wrote a small postings series about how to optimize ASP.NET MVC applications. This posting is small introduction to series and it also introduces first two optimization steps: resources and images combining. (more)

category: ASP.NET | clicked: 81 | comment | | source: weblogs.asp.net

tags: ASP.NET, MVC, optimization, Performance

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Performance

FREE dynaTrace AJAX Edition 1.6 available for public download

Linq to SQL: Delete an entity using Primary Key only

99.99% available ASP.NET and SQL Server Production Architecture for SaaS

Linq to Sql solve transaction deadlock and query timeout problems using uncommitted reads

Optimize ASP.NET Membership Stored Procedures for greater speed and scalability

Identify Performance Bottlenecks in your BizTalk Environment – Part II

Identify Performance Bottlenecks in your BizTalk Environment – Part I

Optimising date filtered SQL queries | AdaTheDev

SQL Server 2008 - Table Valued Parameters vs XML vs CSV | AdaTheDev

How to Speed Up sites like vancouver2010.com by more than 50% in 5 minutes

Sorting a DataTable - LINQ performance | AdaTheDev

High performance bulk loading to SQL Server using SqlBulkCopy | AdaTheDev

The Real Performance Overhead of CSS Expressions

JEF CLAES ON .NET AND LIFE: Webforms lessons learned the hard way (Part 1)

Performance Tracing For Your Applications via Enterprise Library | Adventures in HttpContext

Writing object to object mapper: my mapper vs AutoMapper

Writing object to object mapper: moving to generics

.NET CF and Windows Mobile Performance Best Practices

ASP.NET MVC Performance II: Optimizing resources

ASP.NET MVC Performance I: Combining resources

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