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| author | Bruce Momjian <bruce@momjian.us> | 2003-01-27 22:40:56 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2003-01-27 22:40:56 +0000 |
| commit | 9b9b14915b42f5e820074fbb919e3c3ed97eedbb (patch) | |
| tree | bba0ae0f7a6ba05b656e69189193062c5c754daa | |
| parent | 70fba70430bd42b1a31c6d49646f9d1991eb8e7c (diff) | |
| download | postgresql-9b9b14915b42f5e820074fbb919e3c3ed97eedbb.tar.gz postgresql-9b9b14915b42f5e820074fbb919e3c3ed97eedbb.zip | |
Fix typo 233 pages -> 333 pages.
| -rw-r--r-- | doc/src/sgml/perform.sgml | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/src/sgml/perform.sgml b/doc/src/sgml/perform.sgml index 6928f1d853e..2e42d020e42 100644 --- a/doc/src/sgml/perform.sgml +++ b/doc/src/sgml/perform.sgml @@ -1,5 +1,5 @@ <!-- -$Header: /cvsroot/pgsql/doc/src/sgml/perform.sgml,v 1.24 2003/01/25 23:10:27 tgl Exp $ +$Header: /cvsroot/pgsql/doc/src/sgml/perform.sgml,v 1.25 2003/01/27 22:40:56 momjian Exp $ --> <chapter id="performance-tips"> @@ -109,8 +109,8 @@ regression=# EXPLAIN SELECT * FROM tenk1; SELECT * FROM pg_class WHERE relname = 'tenk1'; </programlisting> - you will find out that <classname>tenk1</classname> has 233 disk - pages and 10000 rows. So the cost is estimated at 233 page + you will find out that <classname>tenk1</classname> has 333 disk + pages and 10000 rows. So the cost is estimated at 333 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> |