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- Title: Teradata Developer Exchange - Blog activity for carrie's blog
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Hi Carrie. Thanks for the clarification. To get a little more detail :
1. Is there a guideline on what number classifies as small number of amps and what classifies as large number of amps ?
2. In my above example, if I did have a larger number of amps (say 400), then would ARC still work best if I have 1 session / amp? i.e. 400 sessions 'per job' ? or would the performance be better if the number of sessions is calculated using the above formula (4 + #amps/50) = (4 + 400/50) = 12 sessions ?
3. If the number of sessions is known, is there any known formula to compute the number of streams (for a multi stream job) rather than always using a single stream that would provide ideal performance ?
Thanks
Jaison