vacuumdbNamevacuumdb -- garbage-collect and analyze a EnterpriseDB database Synopsisvacuumdb [connection-option...] [--full | -f] [--verbose | -v] [--analyze | -z] [--table | -t table
[( column [,...] )]
] [dbname]
vacuumdb [connection-options...] [--all | -a] [--full | -f] [--verbose | -v] [--analyze | -z] Description vacuumdb is a utility for cleaning a
EnterpriseDB database.
vacuumdb will also generate internal statistics
used by the EnterpriseDB query optimizer.
vacuumdb is a wrapper around the SQL
command VACUUM.
There is no effective difference between vacuuming databases via
this utility and via other methods for accessing the server.
Options vacuumdb accepts the following command-line arguments:
- -a
--all Vacuum all databases.
- [-d] dbname
[--dbname] dbname Specifies the name of the database to be cleaned or analyzed.
If this is not specified and -a (or
--all) is not used, the database name is read
from the environment variable PGDATABASE. If
that is not set, the user name specified for the connection is
used.
- -e
--echo Echo the commands that vacuumdb generates
and sends to the server.
- -f
--full Perform "full" vacuuming.
- -q
--quiet Do not display a response.
- -t table [ (column [,...]) ]
--table table [ (column [,...]) ] Clean or analyze table only.
Column names may be specified only in conjunction with
the --analyze option.
Tip: If you specify columns, you probably have to escape the parentheses
from the shell. (See examples below.)
- -v
--verbose Print detailed information during processing.
- -z
--analyze Calculate statistics for use by the optimizer.
vacuumdb also accepts
the following command-line arguments for connection parameters:
- -h host
--host host Specifies the host name of the machine on which the
server
is running. If the value begins with a slash, it is used
as the directory for the Unix domain socket.
- -p port
--port port Specifies the TCP port or local Unix domain socket file
extension on which the server
is listening for connections.
- -U username
--username username User name to connect as
- -W
--password Force password prompt.
Environment- PGDATABASE
PGHOST
PGPORT
PGUSER Default connection parameters
Notes vacuumdb might need to connect several
times to the EnterpriseDB server, asking
for a password each time. It is convenient to have a
$HOME/.pgpass file in such cases.
Examples To clean the database test:
$ vacuumdb test
To clean and analyze for the optimizer a database named
bigdb:
$ vacuumdb --analyze bigdb
To clean a single table
foo in a database named
xyzzy, and analyze a single column
bar of the table for the optimizer:
$ vacuumdb --analyze --verbose --table 'foo(bar)' xyzzy
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