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Make autovacuum behavior more agressive, per discussion on hackers list

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--- was part of autovacuum default 'on' patch that was reverted, but we
want this part.

Peter Eisentraut
This commit is contained in:
Bruce Momjian
2006-09-02 23:12:16 +00:00
parent 946abc7c68
commit e0938c3f5b
3 changed files with 14 additions and 14 deletions
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10
doc/src/sgml/config.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.81 2006/09/02 23:04:20 momjian Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.82 2006/09/02 23:12:16 momjian Exp $ -->
<chapter Id="runtime-config">
<title>Server Configuration</title>
@ -3113,7 +3113,7 @@ SELECT * FROM parent WHERE key = 2400;
<para>
Specifies the minimum number of updated or deleted tuples needed
to trigger a <command>VACUUM</> in any one table.
The default is 1000.
The default is 500.
This parameter can only be set in the <filename>postgresql.conf</>
file or on the server command line.
This setting can be overridden for individual tables by entries in
@ -3131,7 +3131,7 @@ SELECT * FROM parent WHERE key = 2400;
<para>
Specifies the minimum number of inserted, updated or deleted tuples
needed to trigger an <command>ANALYZE</> in any one table.
The default is 500.
The default is 250.
This parameter can only be set in the <filename>postgresql.conf</>
file or on the server command line.
This setting can be overridden for individual tables by entries in
@ -3150,7 +3150,7 @@ SELECT * FROM parent WHERE key = 2400;
Specifies a fraction of the table size to add to
<varname>autovacuum_vacuum_threshold</varname>
when deciding whether to trigger a <command>VACUUM</>.
The default is 0.4.
The default is 0.2.
This parameter can only be set in the <filename>postgresql.conf</>
file or on the server command line.
This setting can be overridden for individual tables by entries in
@ -3169,7 +3169,7 @@ SELECT * FROM parent WHERE key = 2400;
Specifies a fraction of the table size to add to
<varname>autovacuum_analyze_threshold</varname>
when deciding whether to trigger an <command>ANALYZE</>.
The default is 0.2.
The default is 0.1.
This parameter can only be set in the <filename>postgresql.conf</>
file or on the server command line.
This setting can be overridden for individual tables by entries in