Description

lt_controldata prints information initialized during 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.

Environment