Hiroki Kataoka <kataoka(at)interwiz(dot)koganei(dot)tokyo(dot)jp> writes:
> This small patch improves the performance of INSERT and UPDATE. By my
> machine, these changes raised the performance about 5%~10% in pgbench.
Wouldn't it be a lot less invasive to search down from the end, instead
of changing the page header format?
regards, tom lane