Gavin Thompson <gavin(at)catalyst(dot)net(dot)nz> writes:
> My statistics collector is not collecting any statistics and functions
> such as pg_stat_get_tuples_fetched() return 0.
I'd wonder about kernel packet filtering preventing the data from
getting through to the collector. Our CVS tip has a startup-time check
to warn of this situation, but it's not in any released version...
regards, tom lane