Tom Lane wrote:
>Gaetano Mendola <mendola@bigfoot.com> writes:
>
>
>>I did last week an Ariadne+Postgresql valutation for the company where I work
>>and I learned that
>>with 250 MB you can open up to 80 concurrent query
>>with 500 MB you can open up to 120 concurrent query
>>from now on for each 250MB you can have ~40 connections more
>>
>>
>
>That does not add up: the graph can't have a negative y-intercept.
>There should be a substantial cost to run the postmaster at all,
>and then an essentially fixed cost per connection --- assuming
>that all the connections are running similar queries, of course.
>You're telling us the first 40 connections require zero RAM.
>
>
>
That is strange. Is it really linear or does the cost go up somewhat
after the first few?
> regards, tom lane
>
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