Commit e44087d8 authored by Thomas G. Lockhart's avatar Thomas G. Lockhart

Add reference page for new vacuumdb utility.

parent 9f07f8f4
...@@ -121,3 +121,4 @@ ...@@ -121,3 +121,4 @@
<!entity pgDumpall system "pg_dumpall.sgml"> <!entity pgDumpall system "pg_dumpall.sgml">
<!entity pgUpgrade system "pg_upgrade.sgml"> <!entity pgUpgrade system "pg_upgrade.sgml">
<!entity psqlRef system "psql-ref.sgml"> <!entity psqlRef system "psql-ref.sgml">
<!entity vacuumdb system "vacuumdb.sgml">
...@@ -101,6 +101,7 @@ This is reference information for the ...@@ -101,6 +101,7 @@ This is reference information for the
&pgDump; &pgDump;
&pgDumpall; &pgDumpall;
&psqlRef; &psqlRef;
&vacuumdb;
</chapter> </chapter>
......
<REFENTRY ID="APP-VACUUMDB">
<REFMETA>
<REFENTRYTITLE>
<application>vacuumdb</application>
</REFENTRYTITLE>
<REFMISCINFO>Application</REFMISCINFO>
</REFMETA>
<REFNAMEDIV>
<REFNAME id="vacuumdb">
<application>vacuumdb</application>
</REFNAME>
<REFPURPOSE>
Clean and analyze a <productname>Postgres</productname> database
</REFPURPOSE>
<REFSYNOPSISDIV>
<REFSYNOPSISDIVINFO>
<DATE>1998-10-04</DATE>
</REFSYNOPSISDIVINFO>
<SYNOPSIS>
vacuumdb [ --analyze | -z ] [ --verbose | -v ] [ <replaceable class="parameter">dbname</replaceable> ]
vacuumdb [ -h <replaceable class="parameter">host</replaceable> ] [ -p <replaceable class="parameter">port</replaceable> ]
[ --table '<replaceable class="parameter">table</replaceable> [ ( <replaceable class="parameter">column</replaceable> [,...] ) ]' ]
[ <replaceable class="parameter">dbname</replaceable> ]
</SYNOPSIS>
<REFSECT2 ID="R2-APP-VACUUMDB-1">
<REFSECT2INFO>
<DATE>1998-10-04</DATE>
</REFSECT2INFO>
<TITLE>
Inputs
</TITLE>
<PARA>
<application>vacuumdb</application> accepts the following command line arguments:
<variablelist>
<varlistentry>
<term>
<replaceable class="parameter">dbname</replaceable>
</term>
<listitem>
<para>
Specifies the name of the database to be cleaned or analyzed.
<replaceable class="parameter">dbname</replaceable>
defaults to the value of the
<envar>USER</envar>
environment variable.
<varlistentry>
<term>
--analyze
</term>
<term>
-z
</term>
<listitem>
<para>
Calculate statistics on the database for use by the optimizer.
<varlistentry>
<term>
--verbose
</term>
<term>
-v
</term>
<listitem>
<para>
Print detailed information during processing.
<varlistentry>
<term>
--table <replaceable class="parameter">table</replaceable> [ (<replaceable class="parameter">column</replaceable> [,...]) ]
</term>
<term>
-t <replaceable class="parameter">table</replaceable> [ (<replaceable class="parameter">column</replaceable> [,...]) ]
</term>
<listitem>
<para>
Clean or analyze <replaceable class="parameter">table</replaceable> only.
Column names may be specified only in conjunction with
the <option>--analyze</option> option.
</variablelist>
<para>
<application>vacuumdb</application> also accepts
the following command line arguments for connection parameters:
<variablelist>
<varlistentry>
<term>
-h <replaceable class="parameter">host</replaceable>
</term>
<listitem>
<para>
Specifies the hostname of the machine on which the
<application>postmaster</application>
is running. Defaults to using a local Unix domain socket
rather than an IP connection..
<varlistentry>
<term>
-p <replaceable class="parameter">port</replaceable>
</term>
<listitem>
<para>
Specifies the Internet TCP/IP port or local Unix domain socket file
extension on which the <application>postmaster</application>
is listening for connections. The port number defaults to 5432,
or the value of the <envar>PGPORT</envar>
environment variable (if set).
<varlistentry>
<term>
-u
</term>
<listitem>
<para>
Use password authentication.
Prompts for
<replaceable class="parameter">username</replaceable>
and <replaceable class="parameter">password</replaceable>.
</variablelist>
<REFSECT2 ID="R2-APP-VACUUMDB-2">
<REFSECT2INFO>
<DATE>1998-10-04</DATE>
</REFSECT2INFO>
<TITLE>
Outputs
</TITLE>
<PARA>
<application>vacuumdb</application> executes a <command>VACUUM</command> command
on the specified database, so has not explicit external output.
<variablelist>
<varlistentry>
<term>
ERROR: Can't vacuum columns, only tables. You can 'vacuum analyze' columns.
vacuumdb: database vacuum failed on <replaceable class="parameter">dbname</replaceable>.
<listitem>
<para>
The non-analyze mode requires cleaning full tables or databases.
Individual columns may be specified only when analyzing a specific table.
<varlistentry>
<term>
Connection to database 'template1' failed.
connectDB() failed: Is the postmaster running and accepting connections
at 'UNIX Socket' on port '<replaceable class="parameter">port</replaceable>'?
<listitem>
<para>
<application>vacuumdb</application> could not attach to the
<application>postmaster</application>
process on the specified host and port. If you see this message,
ensure that the <application>postmaster</application>
is running on the proper host and that you have specified the proper
port. If your site uses an authentication system, ensure that you
have obtained the required authentication credentials.
<varlistentry>
<term>
Connection to database '<replaceable class="parameter">dbname</replaceable>' failed.
FATAL 1: SetUserId: user '<replaceable class="parameter">username</replaceable>' is not in 'pg_shadow'
<listitem>
<para>
You do not have a valid entry in the relation <literal>pg_shadow</literal>
and and will not be allowed to access <productname>Postgres</productname>.
Contact your <productname>Postgres</productname> administrator.
</variablelist>
<note>
<para>
<application>vacuumdb</application> internally executes a
<command>VACUUM</command> <acronym>SQL</acronym> statement.
If you have problems running <application>vacuumdb</application>,
make sure you are able to run <command>VACUUM</command> on the database using, for
example, <application>psql</application>.
</note>
<REFSECT1 ID="R1-APP-VACUUMDB-1">
<REFSECT1INFO>
<DATE>1998-10-04</DATE>
</REFSECT1INFO>
<TITLE>
Description
</TITLE>
<PARA>
<application>vacuumdb</application> is a utility for cleaning a
<productname>Postgres</productname> database.
<application>vacuumdb</application> will also generate internal statistics
used by the <productname>Postgres</productname> query optimizer.
<REFSECT1 ID="R1-APP-VACUUMDB-2">
<REFSECT1INFO>
<DATE>1998-10-04</DATE>
</REFSECT1INFO>
<TITLE>
Notes
</TITLE>
<para>
See <xref linkend="vacuum" endterm="vacuum"> for more details.
<REFSECT1 ID="R1-APP-VACUUMDB-3">
<REFSECT1INFO>
<DATE>1998-10-04</DATE>
</REFSECT1INFO>
<TITLE>
Usage
</TITLE>
<PARA>
To clean a database of the same name as the user:
<programlisting>
% vacuumdb
</programlisting>
<para>
To analyze a database named <literal>bigdb</literal> for the optimizer:
<programlisting>
% vacuumdb --analyze bigdb
</programlisting>
<para>
To analyze a single column <literal>bar</literal> in table <literal>foo</literal>
in a database named <literal>xyzzy</literal> for the optimizer:
<programlisting>
% vacuumdb --analyze --verbose --table 'foo(bar)' xyzzy
</programlisting>
</REFENTRY>
<!-- Keep this comment at the end of the file
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sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
sgml-parent-document:nil
sgml-default-dtd-file:"../reference.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:"/usr/lib/sgml/catalog"
sgml-local-ecat-files:nil
End:
-->
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