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Message Posted: Fri, 06 Jun 2003 @ 12:34:41 GMT

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Subj:   Netezza vs Teradata
From:   Matthew Winter


Recently I have been questioned about a competing product to Teradata, called Netezza.

Their URL is www.netezza.com

Netezza have made bold claims to be 10 - 20 times more performant than Teradata at half the cost.

What I have found out about Netezza is that they produce the Netezza Performance Server hardware, which in escence is very similar to WorldMark.

They use a RedHat Linux operating system, with the actual database being based on the PostgreSQL open source database.

They have built a hardware streaming technology, which allows for a faster pull of data from the disk drive. These chips are in effect a hardware version of the AMP, with a 1GB Ethernet Network connection between the chips, instead of the BYNET.

All queries are executed via a host system, in effect the PE, which performs the optimisation, and then controls the SPU (Snippet Processing Units), which are the hardware AMP's. It also controls the merging of data back to the user.

I have also heard that Netezza have already gone to battle head on with Teradata in a benchmark and won. Which the rumour is Teradata was running the complex queries within 24 hours, but Netezza was only taking 6 minutes.

This seems very extreme, and I would like to gain an objective view point of the differences.

Has anyone on this forum compared the two, if so, I would be grateful if offline you could provide me with any information you have gained.


Matthew Winter

Technical Architect
TPG IS, Design Authority
Advanced Teradata Certified Professional

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