Category: Technology
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Oracle Workload Management
Jean-Pierre Dijcks is writing a good little series of posts on Oracle Workload Management: After spending some time on discussing some of the new parallel features (like AutoDOP and Statement Queuing) it is about time to put these features in a larger context. That context is managing diverse workloads with varying degrees of parallelism for…
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Why There Won’t Be a LAMP For Big Data
Stephen O’Grady puts some thoughts into words in Why There Won’t Be a LAMP For Big Data that I also had when reading Edd Dumbill’s The SMAQ stack for big data (Storage, MapReduce and Query). It is not clear to me that we will have, at any point in the future, a LAMP equivalent for…
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How (not) to lose data
Remember when CouchDB 1.0.1 had to be released days after the 1.0 release because of a serious data loss bug? This prompted Jeff Darcy to write two posts about How To Lose Data and How *NOT* To Lose Data, which are still worth a read even though things have died down considerably since then. It…
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SQL Server Redundancy
Andrew Fryer wrote a reference post about SQL Server Redundancy earlier this month about the pros and cons of clustering and mirroring, so it’s about time I mention it here! His motivation was an internal request at Microsoft: If there are internal Microsoft staff who don’t know when to use what, then I imagine there…
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Scalability and Databases
Following up on yesterday’s scalability post, here are some more pointers to interesting articles about scalability and databases: The Complexities of Scale tries to explore the meaning of the term “scale,” specifically in the context of cloud computing. Scale-out vs Scale-up explains, the difference between multi-core concurrency that is often referred to as Scale-Up and…
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Applying Scalability Patterns to Infrastructure Architecture
Applying Scalability Patterns to Infrastructure Architecture gives a good overview of the different ways to scale your infrastructure. Too often software design patterns are overlooked by network and application delivery network architects but these patterns are often equally applicable to addressing a broad range of architectural challenges in the application delivery tier of the data…
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Continuous Delivery
Matt Davey pointed me to Continuous Delivery, a book and blog about how to have your code always in good quality, ready to ship, in Continuous Delivery – The Road All Projects Should Travel. Based on my initial reading I couldn’t agree more with his title! Here’s an excerpt: Getting software released to users is…
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When do you need ACID?
The recent JPMorgan Chase outage caused by an Oracle RAC block corruption places an old question back on the agenda that gets ignored way too often: How to tell whether you need ACID-compliant transaction integrity. The cost of ACID in large database systems is so high that you should consider moving those parts to simpler,…
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Oracle Enterprise Manager 11g
Oracle Enterprise Manager 11g has been out for some time now, and articles were piling up that I wanted to write about… so here you go: What’s new in Oracle Enterprise Manager 11g for Oracle Database 11g Release 2 and Exadata V2 Differences between EM10g and EM11g, this article is more on the sysadmin /…
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