[Lift] Re: HadoopDB

2009-07-23 Thread Viktor Klang
On Wed, Jul 22, 2009 at 11:52 PM, Meredith Gregory lgreg.mered...@gmail.com wrote: Alex, Viktor, i think write semantics could get complicated quickly, actually. However, i was initially responding to the idea that trad business object models don't give way to analytics. Being able to make

[Lift] Re: HadoopDB

2009-07-23 Thread Meredith Gregory
Viktor, Yes. For example, in the biotech case the data is coming in from a device-based origin. Best wishes, --greg On Thu, Jul 23, 2009 at 2:35 AM, Viktor Klang viktor.kl...@gmail.comwrote: On Wed, Jul 22, 2009 at 11:52 PM, Meredith Gregory lgreg.mered...@gmail.com wrote: Alex,

[Lift] Re: HadoopDB

2009-07-23 Thread Viktor Klang
On Thu, Jul 23, 2009 at 6:46 PM, Meredith Gregory lgreg.mered...@gmail.comwrote: Viktor, Yes. For example, in the biotech case the data is coming in from a device-based origin. This is interesting. Analyzing the AST of the query for the data, then identify the different data sources and

[Lift] Re: HadoopDB

2009-07-23 Thread Meredith Gregory
Viktor, Yep. Best wishes, --greg On Thu, Jul 23, 2009 at 10:08 AM, Viktor Klang viktor.kl...@gmail.comwrote: On Thu, Jul 23, 2009 at 6:46 PM, Meredith Gregory lgreg.mered...@gmail.com wrote: Viktor, Yes. For example, in the biotech case the data is coming in from a device-based

[Lift] Re: HadoopDB

2009-07-22 Thread Viktor Klang
Read it earlier today. It's quite interesting, transcoding SQL to MapReduce jobs that uses RDBMes as datasources I see this really useful for analytical querying over huge datasets, but I wouldn't imagine it as an option as persistence-store for domain/business objects. On Wed, Jul 22, 2009

[Lift] Re: HadoopDB

2009-07-22 Thread Alex Cruise
Viktor Klang wrote: Read it earlier today. It's quite interesting, transcoding SQL to MapReduce jobs that uses RDBMes as datasources I see this really useful for analytical querying over huge datasets, but I wouldn't imagine it as an option as persistence-store for domain/business

[Lift] Re: HadoopDB

2009-07-22 Thread Viktor Klang
On Wed, Jul 22, 2009 at 8:05 PM, Alex Cruise a...@cluonflux.com wrote: Viktor Klang wrote: Read it earlier today. It's quite interesting, transcoding SQL to MapReduce jobs that uses RDBMes as datasources I see this really useful for analytical querying over huge datasets, but I

[Lift] Re: HadoopDB

2009-07-22 Thread Meredith Gregory
Viktor, Your comment is intriguing to me. As near as i can tell the Web 2.0 trend has this effect that what started out as a traditional domain/business object model scales out to the point where it starts to look a lot like an analytics db -- especially when you're trawling for patterns, trends

[Lift] Re: HadoopDB

2009-07-22 Thread Viktor Klang
On Wed, Jul 22, 2009 at 10:03 PM, Meredith Gregory lgreg.mered...@gmail.com wrote: Viktor, Your comment is intriguing to me. As near as i can tell the Web 2.0 trend has this effect that what started out as a traditional domain/business object model scales out to the point where it starts to

[Lift] Re: HadoopDB

2009-07-22 Thread Alex Cruise
Viktor Klang wrote: Absolutely, perhaps I'm tainted by write-heavy systems and perhaps I'm just failing to see the overhead we're talking about. Perhaps I overlooked it, but the paper didn't mention performance for small writes and potentially multiple nodespanning transactions. HadoopDB

[Lift] Re: HadoopDB

2009-07-22 Thread Meredith Gregory
Alex, Viktor, i think write semantics could get complicated quickly, actually. However, i was initially responding to the idea that trad business object models don't give way to analytics. Being able to make read-only queries against large volumes of data using the original business object schema