lt_controldata — display control information of a LightDB database cluster
lt_controldata
[option
] [[ -D
| --pgdata
]datadir
]
lt_controldata
prints information initialized during
lt_initdb
, such as the catalog version.
It also shows information about write-ahead logging and checkpoint
processing. This information is cluster-wide, and not specific to any one
database.
This utility can only be run by the user who initialized the cluster because
it requires read access to the data directory.
You can specify the data directory on the command line, or use
the environment variable LTDATA
. This utility supports the options
-V
and --version
, which print the
lt_controldata version and exit. It also
supports options -?
and --help
, which output the
supported arguments.
LTDATA
Default data directory location
LT_COLOR
Specifies whether to use color in diagnostic messages. Possible values
are always
, auto
and
never
.