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Re: simultaneously reducing both memory usage and runtime for a query

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On 03/28/2010 03:05 PM, Faheem Mitha wrote:


On Sun, 28 Mar 2010, Tom Lane wrote:

Faheem Mitha <faheem@xxxxxxxxxxxxx> writes:
... In any case, feedback would be helpful. Details of my attempts
at optimization are at
http://bulldog.duhs.duke.edu/~faheem/snppy/opt.pdf

By and large, this is not the way to ask for help on the Postgres lists.
If you're supplying extremely large test data or something, it's fair to
provide a link instead of putting the information in-line, but otherwise
you should try to make your email self-contained. Those of us who are
willing to help are not here just to help you --- we'd like other people
to learn from it too, both at the time and later from the archived
discussion. So the information needs to be in the email thread, not
only on some transient web page.

Dear Tom Lane,

Thank you for your message. I understand your point of view. However,
the three documents I cite in my previous message have significant
graphical content, eg. time-memory graphs. At least two of them are
relevant, the third tangentially so. Also, these two files (opt and
diag) are 25 and 41 pages respectively in their pdf version. I don't
think it would be very easy to cram these two into an email.

So, in light of that, would it be permissible to attach these documents
to my email, since you want a self-contained email? If so, I hope I do
not fall afoul of spam filters. The two documents are 3.3M (opt.pdf) and
132K (diag.pdf).

Sincerely, Faheem Mitha.


Wait... Your saying your question is so complex it needs 41 pages (including graphs) to ask?  I didn't bother before, but now I'm curious, I'll have to go take a look.

-Andy


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