Greg, * Tom Lane (t...@sss.pgh.pa.us) wrote: > Greg Smith <g...@2ndquadrant.com> writes: > > Poking around a bit more, I just discovered another possible approach is > > to use erand48 instead of rand in pgbench, which is either provided by > > the OS or emulated in src/port/erand48.c That's way more resolution > > than needed here, given that 2^48 pgbench accounts would be a scale of > > 2.8M, which makes for a database of about 42 petabytes. > > I think that might be a good idea --- it'd reduce the cross-platform > variability of the results quite a bit, I suspect. random() is not > to be trusted everywhere, but I think erand48 is pretty much the same > wherever it exists at all (and src/port/ provides it elsewhere).
Works for me. Greg, will you be able to work on this change? If not, I
might be able to.
Thanks,
Stephen
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