"Adam Palmblad" <[EMAIL PROTECTED]> writes:
> We've got a C function that we use here and we find that for every
> connection, the first run of the function is much slower than any
> subsequent runs. ( 50ms compared to 8ms)

Perhaps that represents the time needed to load the dynamic library
into the backend?  If so, the "preload_libraries" parameter might
help you fix it.  Or consider pooling connections.  Or build a custom
executable with the function linked in permanently.

                        regards, tom lane

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