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Synchronisation in .NET– Part 1: lock(), Dictionaries and Arrays
As part of our tuning efforts at Livedrive, I ran into a deceptively simple problem that beautifully illustrates some of the scale principles I have been teaching to the SQL Server community for years....
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Synchronisation in .NET– Part 2:Unsafe Data Structures and Padding
In the previous blog post we saw how the lock() statement in .NET scales very poorly when there is a contention on a data structure. It was clear that a performance logging framework that relies on an...
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Synchronisation in .NET– Part 3: Spin Locks and Interlocks/Atomics
In the previous instalments (Part 1 and Part 2) of this series, we have drawn some conclusions about both .NET itself and CPU architectures. Here is what we know so far: When there is contention on a...
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Synchronisation in .NET– Part 4: Partitioned Data Structures
In this final instalment of the synchronisation series, we will look at fully scalable solutions to the problem first stated in Part 1 – adding monitoring that is scalable and minimally intrusive. Thus...
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Clustered Index vs. Heap
At Stack Overflow the other day, I once again found myself trying to debunk a lot of the “revealed wisdom” in the SQL Server community. You can find the post here: Indexing a PK GUID in SQL Server 2012...
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TPC-H: Schema and Indexes
The TPC-H benchmark is often used a method for customers to evaluate data warehouse products to make purchasing decisions. Because it is such a crucial benchmark, it is important to understand the...
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Adding another transaction log file to Gain Performance
Mike West recently posted a rather active thread on LinkedIn about database with more than one transaction log file. Eventually, I realised that the full answer to the question: “When does it make...
View ArticleDatabase Page Row Order
A few weeks ago I was asked a great question by Sam, who follows my blog. With Sam’s permission, I am reprinting the question here. Sam asks (my highlights) : We are told that we can have only one...
View ArticleRunning SQL Server on a Big Box–Introduction
I have previously blogged about my best practices for installing a SQL Server. This guidance applies to all the boxes I work with. However, I think that some special attention is required when it comes...
View Article(English) Running SQL Server on a Big Box – Configuration
Zao nam je, ovaj ulaz je jedino moguc u English. The post (English) Running SQL Server on a Big Box – Configuration appeared first on Fighting Bad Data Modeling.
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