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Specific for updating 7.4.1->7.4.x:
A dump/restore is *not* required for those running 7.4, BUT:
If you want to install the fixes in the information schema you will
need to reload it into the database. This is either accomplished by
initializing a new cluster by running "initdb", or by running the
following sequence of SQL commands in each database (ideally including
template1) as a superuser in psql, after installing the new release:
DROP SCHEMA information_schema CASCADE;
\i /usr/local/pgsql/share/information_schema.sql
Fixes to the information schema (from HISTORY):
* Fix information schema for bit data types (Peter)
* Fix information schema view constraint_column_usage for foreign
keys (Peter)
=====================================================================
For procedural languages and postgresql functions, please note that
you might have to update them when updating the server. For example,
the "elog" method disappeared in postgresql-7.4, so postgresql-contrib
must be updated along with the server.
If you have many tables and many clients running, consider raising
kern.maxfiles using sysctl(8), or reconfigure your kernel
appropriately.
You should vacuum and backup your database regularly. There is a
periodic script, /usr/local/etc/periodic/daily/502.pgsql, that you may
find useful. See the script for instructions.
To allow many simultaneous connections to your PostgreSQL server, you
should raise the SystemV shared memory limits in your kernel. Here are
example values for allowing up to 180 clients (configurations in
postgresql.conf also needed, of course):
options SYSVSHM
options SYSVSEM
options SYSVMSG
options SHMMAXPGS=65536
options SEMMNI=40
options SEMMNS=240
options SEMUME=40
options SEMMNU=120
If you plan to access your PostgreSQL server using ODBC, please
consider running the SQL script /usr/local/share/postgresql/odbc.sql
to get the functions required for ODBC compliance.
======================================================================
To initialize the database, run
/usr/local/etc/rc.d/postgresql.sh initdb
You can then start PostgreSQL by running:
/usr/local/etc/rc.d/postgresql.sh start
For postmaster settings, see ~pgsql/data/postgresql.conf
NB. FreeBSD's PostgreSQL port now by default logs to syslog
See ~pgsql/data/postgresql.conf for more info
======================================================================
To run PostgreSQL at startup, add
'postgresql_enable="YES"' to /etc/rc.conf
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