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11/17/2008
10:03 AM
Curt Monash
Curt Monash
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Hot Topics in High-Performance Analytics

For the past few months, I've collected a lot of data points to the effect that high-performance analytics - i.e., beyond straightforward query - is becoming increasingly important. And I've written about some of these topics, including MapReduce, geospatial analytic capabilities and memory-centric analytics among a few others...

For the past few months, I've collected a lot of data points to the effect that high-performance analytics - i.e., beyond straightforward query - is becoming increasingly important. And I've written about some of them at length. For example:

Ack. I can't decide whether "analytics" should be a singular or plural noun. Thoughts?

Another area that's come up which I haven't blogged about so much is data mining in the database. Data mining accounts for a large part of data warehouse use. The traditional way to do data mining is to extract data from the database and dump it into SAS. But there are problems with this scenario, including:

  • There's a lot of data to move.
  • Therefore it's tempting to only sample the database rather than analyze the whole thing, which could have at least a slight negative effect on model accuracy.
  • The result of the process is often some kind of scoring algorithm, and you may want to execute that real-time rather than in batch mode.

Various interesting fixes have been tried.

  • SAS and Teradata are partnering quite closely to run SAS on Teradata boxes.
  • Database management system vendors are building at least the data scoring part right into the DBMS. SAS rival SPSS - which relies more on just-in-time SQL and less on batch extracts anyway - reports that hooking into Oracle's native scoring produces massive performance gains. (To put that another way - I finally got independent confirmation of what Oracle's Charlie Berger has been telling me for years.)
  • Data preparation can be handled by the general ELT/ETLT (Extract/(Transform)/Load/Transform - i.e., in-database data transformation) strategies of the data warehouse DBMS vendors.
  • Oracle (more than most competitors, although SAS/Teradata are headed that way too) actually does all stages of data mining right in the database.

Vendors who are putting considerable marketing emphasis on parallel analytics include:

I'm sure others would say they belong on the list as well. It's an important area of competitive differentiation.For the past few months, I've collected a lot of data points to the effect that high-performance analytics - i.e., beyond straightforward query - is becoming increasingly important. And I've written about some of these topics, including MapReduce, geospatial analytic capabilities and memory-centric analytics among a few others...

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