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50x speed boost on db4o LINQ queries

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50x speed boost on db4o LINQ queries

· Database Zone
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What if you could learn how to use MongoDB directly from the experts, on your schedule, for free? We've put together the ultimate guide for learning MongoDBSign up and you'll receive instructions for how to get started!

(Via emphess.NET)

This is just a quick note, but I just gotta share this now.

It’s actually in the manual so this is not exactly a secret, but I managed to overlook it so perhaps I’m not the only one…

In our specific scenario, db4o was about 3 times slower than MSSQL via Linq to SQL in the past days.

Just a few minutes ago, I finally read this:

Native Query optimizer for .NET requires the following libraries to work:

Db4obects.Db4o.Instrumentation.dll
Db4objects.Db4o.NativeQueries.dll
Mono.Cecil.dll
Cecil.FlowAnalysis.dll

(see http://developer.db4o.com/Documentation/Reference/db4o-7.12/net35/reference/html/reference/tuning/native_query_optimization.html)

I added these dll’s to my solution and wooosh! Now it’s up to 50 times faster than before! That’s what I needed… Will see how this works with larger data sets…

http://www.emphess.net/2010/02/11/db4o-performance-pitfalls/

What if you could learn how to use MongoDB directly from the experts, on your schedule, for free? We've put together the ultimate guide for learning MongoDBSign up and you'll receive instructions for how to get started!

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