I just ran into a new little anomaly in pg_autovacuum...
Note the interesting _negative_ numbers. Apparently something's
rolling over. I have no _grand_ problem with what happened, namely
"immediately checking again," as the system in question was doing
heavy offline updates. But this is likely
> So, pg_autovacuum does deal with them separately, but doesn't make an
> effort to spread out the vacuums if all / multiple databases happen to
> need it at the same time.
>
> In practice, I don't see this as a big problem right now, but it should
> still be handled better by pg_autovacuum.
I un
On Thu, 2003-10-16 at 10:16, Rod Taylor wrote:
> > The vacuum man page says, "FREEZE is not recommnded for routine use".
> > That was enough to keep me away. However if vacuum freeze was
> > considerably lighter than normal database wide vacuums then there might
> > be an advantage to using it.
> The vacuum man page says, "FREEZE is not recommnded for routine use".
> That was enough to keep me away. However if vacuum freeze was
> considerably lighter than normal database wide vacuums then there might
> be an advantage to using it. Especially since when pg_autovaccum
> decides it's tim
"Matthew T. O'Connor" <[EMAIL PROTECTED]> writes:
> The vacuum man page says, "FREEZE is not recommnded for routine use".
> That was enough to keep me away. However if vacuum freeze was
> considerably lighter than normal database wide vacuums then there might
> be an advantage to using it.
If an
On Thu, 2003-10-16 at 01:34, Christopher Kings-Lynne wrote:
> Hi,
>
> Was just wondering if pg_autovacuum watches transaction ids and issues a
> vacuum freeze before they roll over?
Yes pg_autovacuum monitors for xid wraparound, when it sees that you are
getting close, then it issues a database
In an attempt to throw the authorities off his trail, [EMAIL PROTECTED] (Christopher
Kings-Lynne) transmitted:
> Was just wondering if pg_autovacuum watches transaction ids and issues
> a vacuum freeze before they roll over?
>
> If not, is it hard to do?
It doesn't do a VACUUM FREEZE; it just doe