Melvin Davidson <mdavid...@icsolutions.com> wrote: > When I execute pg_control on a warm standby cluster, I notice that > often, "Time of latest checkpoint:" lags behind "pg_control last > modified:". > > Is it documented anywhere the difference between "pg_control last > modified:" and "Time of latest checkpoint:" ? If it's documented, I haven't found it yet. I generally find the labels to be pretty descriptive, though. "pg_control last modified" is the last time the server wrote control information out to the disk. "Time of latest checkpoint" is the last time a checkpoint had been performed at the point when the control data was last written. -Kevin
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