adey <[EMAIL PROTECTED]> writes:
> Please let me know if there is a way to determine when the Postmaster was
> last restarted?
The last postmaster start time, or the last database reset? These are
not the same if any backends have crashed since the postmaster started.
For determining stats lifespan I think you need the latter.
Offhand I think the file timestamp of $PGDATA/postmaster.opts would do
for the postmaster start time, and postmaster.pid for the other (I think
postmaster.pid is updated during a reset).
PG 8.1 will have a function to return postmaster start time, but not
database reset time. I wonder if this is misdefined --- if you are
trying to measure database uptime, the last reset would be more
appropriate to track.
regards, tom lane
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