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Message Posted: Mon, 10 Jun 2002 @ 00:42:11 GMT


     
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Subj:   Query on sessions and teradata handling queries in parallel
 
From:   Narayan Murthy K S

Hi all,

I have a question on session handling and teradata handling queries in parallel.

Suppose i have a machine configured with 2 PEs and 4 AMPs. Now i have 4 bteq scripts which contain sql statements. Now we know that each PE is capable of handling 120 sessions. With this what happens when:

1. I fire all the 4 bteq scripts together in parallel(4 sessions). Will the PEs share the load or will it go to a single PE(because a single PE can handle upto 120 sessions) with the other PE remaining idle.

2. Will the performance(or the time taken) to execute all the 4 bteq scripts be less with both the PEs in action when compared to a single PE handling all the 4 bteq scripts.


Thanks

Narayan Murthy.



     
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