diff --git a/doc/src/sgml/maintenance.sgml b/doc/src/sgml/maintenance.sgml index 4f7c4d78243e644e8648fc6e3ad88388e6bf2c23..d347e273327be3eb09c3164e8268d64e4bbb6e3f 100644 --- a/doc/src/sgml/maintenance.sgml +++ b/doc/src/sgml/maintenance.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.47 2005/09/16 03:12:32 alvherre Exp $ +$PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.48 2005/09/23 02:01:34 momjian Exp $ --> <chapter id="maintenance"> @@ -180,7 +180,8 @@ $PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.47 2005/09/16 03:12:32 alvh rate of data modification <command>VACUUM</command> busy tables as often as once every few minutes.) If you have multiple databases in a cluster, don't forget to <command>VACUUM</command> each one; - the program <filename>vacuumdb</> may be helpful. + the program <xref linkend="app-vacuumdb" endterm="app-vacuumdb-title"> + may be helpful. </para> <para> @@ -466,7 +467,7 @@ HINT: Stop the postmaster and use a standalone backend to VACUUM in "mydb". <para> Beginning in <productname>PostgreSQL </productname> 8.1, there is a separate optional server process called the <firstterm>autovacuum - daemon</firstterm>, whose purpose is to automate the issuance of + daemon</firstterm>, whose purpose is to automate the execution of <command>VACUUM</command> and <command>ANALYZE </command> commands. When enabled, the autovacuum daemon runs periodically and checks for tables that have had a large number of inserted, updated or deleted @@ -521,29 +522,29 @@ vacuum threshold = vacuum base threshold + vacuum scale factor * number of tuple <para> Note that if any of the values in <structname>pg_autovacuum</structname> - is set to a negative number, or if a tuple is not present at all in + are set to a negative number, or if a tuple is not present at all in <structname>pg_autovacuum</structname> for any particular table, the equivalent value from <filename>postgresql.conf</filename> is used. </para> <para> Besides the base threshold values and scale factors, there are three - parameters that can be set for each table in <structname>pg_autovacuum</structname>: - the vacuum cost delay + parameters that can be set for each table in <structname>pg_autovacuum</structname>. + The first parameter, <structname>pg_autovacuum</>.<structfield>enabled</>, + can be used to instruct the autovacuum daemon to skip any particular table + by setting it to <literal>false</literal>. + The other two, the vacuum cost delay (<structname>pg_autovacuum</structname>.<structfield>vac_cost_delay</structfield>) and the vacuum cost limit - (<structname>pg_autovacuum</structname>.<structfield>vac_cost_limit</structfield>). - They are used to set table-specific values for the + (<structname>pg_autovacuum</structname>.<structfield>vac_cost_limit</structfield>), + are used to set table-specific values for the <xref linkend="runtime-config-resource-vacuum-cost" endterm="runtime-config-resource-vacuum-cost-title"> feature. The above note about negative values also applies here, but also note that if the <filename>postgresql.conf</filename> variables <varname>autovacuum_vacuum_cost_limit</varname> and <varname>autovacuum_vacuum_cost_delay</varname> are also set to negative - values, the <varname>vacuum_cost_limit</varname> and + values, the global <varname>vacuum_cost_limit</varname> and <varname>vacuum_cost_delay</varname> values will be used instead. - The other parameter, <structname>pg_autovacuum</>.<structfield>enabled</>, - can be used to instruct the autovacuum daemon to skip any particular table - by setting it to <literal>false</literal>. </para> <note> diff --git a/doc/src/sgml/ref/create_domain.sgml b/doc/src/sgml/ref/create_domain.sgml index bddfb572875c806c6f9108f7bfe714910d600af5..0f52ff67f77cc7d58f2170ceb32715feef5a4021 100644 --- a/doc/src/sgml/ref/create_domain.sgml +++ b/doc/src/sgml/ref/create_domain.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/ref/create_domain.sgml,v 1.23 2005/09/22 23:56:46 momjian Exp $ +$PostgreSQL: pgsql/doc/src/sgml/ref/create_domain.sgml,v 1.24 2005/09/23 02:01:35 momjian Exp $ PostgreSQL documentation --> @@ -52,10 +52,16 @@ where <replaceable class="PARAMETER">constraint</replaceable> is: into a single location for maintenance. For example, an email address column may be used in several tables, all with the same properties. Define a domain and use that rather than setting up each table's - constraints individually. <note>Keep in mind also that declaring a - function result value as a domain is pretty dangerous, because none of - the PLs enforce domain constraints on their results.</note> + constraints individually. </para> + + <note> + <para> + Keep in mind also that declaring a function result value as a domain + is pretty dangerous, because none of the PLs enforce domain constraints + on their results. + </para> + </note> </refsect1> <refsect1>