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MariaDB vs MySQL: Key Differences and Use Cases

Percona

MariaDB is a popular SQL open source relational database management system that originated as a fork of MySQL after MySQL was acquired by Sun Microsystems in 2008 and later Oracle in 2010. In addition, MariaDB provides optimal scalability options, making it ideal for growing workloads. Contact us to learn more! What is MySQL?

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C++ and Beyond Session: Lambdas, Lambdas Everywhere

Sutter's Mill

We’ll be posting abstracts (summaries) of the C++ and Beyond 2010 sessions over the coming days over at the C&B site. Here’s the abstract: Why care about C++0x lambda functions? They are available today in several shipping C++ compilers, including Intel C++ 11, Microsoft Visual Studio 2010, and gcc 4.5.

Lambda 40
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Amazon EC2 Cluster GPU Instances - All Things Distributed

All Things Distributed

Werner Vogels weblog on building scalable and robust distributed systems. By Werner Vogels on 14 November 2010 04:00 PM. We believe that making these GPU resources available for everyone to use at low cost will drive new innovation in the application of highly parallel programming models. General Purpose GPU programming.

AWS 136
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Effective Concurrency: Prefer Using Active Objects Instead of Naked Threads

Sutter's Mill

From the article: … Active objects dramatically improve our ability to reason about our thread’s code and operation by giving us higher-level abstractions and idioms that raise the semantic level of our program and let us express our intent more directly. NET, Java, and C/Pthreads. 2 How Much Scalability Do You Have or Need?

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Should You Use ClickHouse as a Main Operational Database?

Percona

However, ClickHouse is super efficient for timeseries and provides “sharding” out of the box (scalability beyond one node). As a temporary workaround we can do something like this: SELECT count() FROM rc WHERE (created_utc > ( ( SELECT max(created_utc) FROM rc ) - ((60 * 60) * 24))) AND (subreddit = 'programming') ??count()??

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Data Mining Problems in Retail

Highly Scalable

Customer retention programs can require the identification of customers who are likely to stop the relationship with a retailer but can change their minds under the influence of incentives. This metric reveals customers with high revenue potential, hence it can be used in loyalty programs and usage expansion campaigns. Nakanishi, 2010.

Retail 152