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Archives of the TeradataForum
Message Posted: Mon, 03 May 2010 @ 12:48:56 GMT
| Subj: | | Re: Teradata 5550H |
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| From: | | Kirubakaran, Abraham |
Chirag Belosay wrote:
| | Customer data space does not include spool. You are looking at Sum(Maxperm). Also keep in mind configurations support 73G drives, 146 G
drives and 300G drives. So the customer dataspace will change based on drive density. | |
| | Maxperm= Customer dataspace+ Spool Space+ DB overhead. | |
| | Also the multiplier factor was just a coincidence in your case with the 216 nodes. The node you refer to were configured with 10 amps per
node. The newer generation can support 40+ amps per node, so your multiplier factor would not apply. PE and Amps are based on Node CPU capacity
,IO bandwidth attached and Memory available per node. | |
Customer space is usually after taking into account FALLBACk+SPOOL+Overhead. So, you mileage may vary depending on what type of drives are
used. Since the Teradata systems are priced based on TPERF, the #of AMPS & Space/AMP might vary based on what has been suggested for your
configuration.
To highlight, everything(almost) is based on TPERF and this drives all your configuration alternatives.
Thanks
Abraham.K
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