Josh Berkus <josh(at)agliodbs(dot)com> writes:
> Looks like the CRC calculation work isn't the issue. I did test runs of
> no-CRC vs. regular DBT2 with different checkpoint timeouts, and didn't
> discern any statistical difference. See attached spreadsheet chart (the
> two different runs are on two different machines).
Um, where are the test runs underlying this spreadsheet? I don't have a
whole lot of confidence in looking at full-run average TPM numbers to
discern whether transient dropoffs in TPM are significant or not.
regards, tom lane