On Thu, Nov 24, 2011 at 12:20 PM, MirrorX <mirr...@gmail.com> wrote:

> -32 cores,

> -not cpu bound (the cpu util was about 5% when i performed the tests)

A single query will only use a single CPU.

5% of 32 cores is 100% of 1.6 cores.

Are you sure that the 1 core doing the 1 postgresql query wasn't 100% utilized?

a.

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