Re: Data Warehouse Reevaluation - MySQL vs Postgres -- merge tables

>>>>> "MC" == Mark Cotner <mcotner@yahoo.com> writes:

MC> I've finished porting the schema and am importing the
MC> data now.  My estimates for just two-thirds(60 of the
MC> 90 days) of one of our 30 cable systems(MySQL dbs) is
MC> estimated to take about 16 hours.  This may seem like
MC> a lot, but I'm satisfied with the performance.  I've

be sure to load your data without indexes defined for your initial
import.

check your logs to see if increasing checkpoint_segments is
recommended.  I found that bumping it up to 50 helped speed up my
data loads (restore from dump) significantly.

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Vivek Khera, Ph.D.                Khera Communications, Inc.
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