this is only max 15 concurrent conections. And is not a heavy performance database, so i think this is not necessary vacumm more than once a day.
In another customer, has only 5 users and the database have 300mb, small database, and has the same behaviour (haven't modified postgresql). My first instalation was not changed anything in postgresql.conf, but in this new server (FreeBSD) i have changed some parameters.
as showed in my crontab list, i think this is enough: 00 13 * * 1-5 /bin/sh /home/postgres/backup.sh >/dev/null 2>&1 00 19 * * 1-5 /bin/sh /home/postgres/backup.sh >/dev/null 2>&1 00 23 * * 1-5 /usr/local/pgsql/bin/psql supre -c "vacuum analyze;"
We just told you - it's nowhere near enough. Vacuum once an hour. Size of the database is not that relevant, its size of changes that is.
Chris
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