|P is for Practical|
Re: Processing ~1 Trillion recordsby BrowserUk (Pope)
|on Oct 25, 2012 at 23:29 UTC||Need Help??|
Why are you bothering (and paying the transport & memory costs) to query 5 fields for every record, when you know that 3 of those fields are always going to be '9', 'STR', & 'STR1' respectively?
Why build a 2-level hash:
when the first level is always '9'.
And why are you doing this:
When the query dictates that fields 3 & 4 can never be undefined.
What is the point of this:
when $dat & $dat are constants?
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