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Improve lazy vacuum wording.

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Bruce Momjian 2005-12-07 14:35:45 +00:00
parent 9551ab2fe9
commit 823702be9d
1 changed files with 3 additions and 3 deletions
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doc/src/sgml/maintenance.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.52 2005/12/07 05:35:53 momjian Exp $ $PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.53 2005/12/07 14:35:45 momjian Exp $
--> -->
<chapter id="maintenance"> <chapter id="maintenance">
@ -142,8 +142,8 @@ $PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.52 2005/12/07 05:35:53 momj
just <command>VACUUM</command>, marks expired data in tables and just <command>VACUUM</command>, marks expired data in tables and
indexes for future reuse; it does <emphasis>not</emphasis> attempt indexes for future reuse; it does <emphasis>not</emphasis> attempt
to reclaim the space used by this expired data unless the space is to reclaim the space used by this expired data unless the space is
at the end of the table and an exclusive lock can be obtained easily at the end of the table and an exclusive table lock can be easily
on the table. Unused space at the start or middle of the file does obtained. Unused space at the start or middle of the file does
not result in the file being shortened and space returned to the not result in the file being shortened and space returned to the
operating system. This variant of <command>VACUUM</command> can be operating system. This variant of <command>VACUUM</command> can be
run concurrently with normal database operations. run concurrently with normal database operations.