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-$Header: /cvsroot/pgsql/doc/src/sgml/perform.sgml,v 1.25 2003/01/27 22:40:56 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/perform.sgml,v 1.26 2003/01/28 03:34:29 momjian Exp $
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<chapter id="performance-tips">
SELECT * FROM pg_class WHERE relname = 'tenk1';
</programlisting>
- you will find out that <classname>tenk1</classname> has 333 disk
- pages and 10000 rows. So the cost is estimated at 333 page
+ you will find out that <classname>tenk1</classname> has 233 disk
+ pages and 10000 rows. So the cost is estimated at 233 page
reads, defined as costing 1.0 apiece, plus 10000 * <varname>cpu_tuple_cost</varname> which is
currently 0.01 (try <command>SHOW cpu_tuple_cost</command>).
</para>
# panic
#client_min_messages = notice # Values, in order of decreasing detail:
# debug5, debug4, debug3, debug2, debug1,
- # log, info, notice, warning, error
+ # log, info, notice, warning, error,
+ # panic(off)
#silent_mode = false
#log_connections = false