3 comments

Thomas

Did you already had a look at BIRT? (http://www.eclipse.org/birt/)

07/25/05 @ 06:42
John

Mondrian is a nice program with support for MDX and if run on a RDMS such as oracle which supports materialised view can really fly in speed terms.

I recommend you have a look at PALO (www.palo.net or www.opensourceolap.com)
an open source olap server.
Palo is RAM based (but obviously load data into memory at startup and writes data back to files for persistency) so performance is good. Palo should work on 64 bit windows and Linux machines (so large amounts of data can be held in memory).
A major advantage of PALO is that it can write values directly to memory, ideal for planning and “what if” alalysis and calculations are performed in real time. Real time OLAP systems tend to have smaller models (since every combination in the cube doesn’t need to be calculated - therefore you tend not to have problems such as “database explosion")
I recommend any business intelligence practitioner or end user download it have a go.

10/28/05 @ 14:19
Comment from: lawuit
lawuit

Wenfengli touted his BIRT a lot. Let’s look at the background behind that…

Wenfeng li incured a huge lawsuit with his previous employer and brought a huge lose in lawsuit money to Actuate. Actuate has to layoff several times.

Then wenfeng li pushed to China. BIRT is his last desperate resort to build his force in Actuate. However, wenfeng li( PMC lead as he named himself )
doesn’t really have much experience in Java technology.

Essentially Wenfeng li is wasting Actuate’s money and resources to gain huge benefits for himself. At the same time to develop a very inferior product and call it a “massive success” and continue to add version number to that…

09/13/06 @ 13:42
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