As far as I know, setting variables are hooked up to a shell, and so far as I can tell I’m in the identical shell. Sudo cannot be assumed to maintain the environment variables of its caller. See its manpage for the small print together with your specific OS. What pg_ctl start does behind the scenes is name postgres, so the database is at all times began via postgres. It might be immediately, or indirectly, or even more indirectly, however finally that is how it is began.
Although the server may be began manually, pg_ctl encapsulates tasks corresponding to redirecting log output and properly detaching from the terminal and process group. It additionally provides handy options for controlled shutdown. In cease mode, the server that’s working in the specified data directory is shut down.
This permits altering configuration-file options that do not require a full server restart to take effect. If that is omitted, the surroundings variable PGDATA is used. For extra server variables, seepostgres. Default limit on the variety although lamarck hypothesized that adaptations to the environment did occur, he also believed that of seconds to attend when ready for startup or shutdown to finish. As in the above output command execution, the method for beginning the PostgreSQL database server is a success.
@a_horse_with_no_name – the enterprisedb installer is the one I used. You must specify the –config-file or -D invocation option or set the PGDATA environment variable. Restartmode effectively executes a stop followed by a start. This permits changing thepostgrescommand-line options.
Three different shutdown strategies could be selected with the-moption. “Smart” mode waits for all lively shoppers to disconnect and any online backup to complete. “Fast” mode does not anticipate purchasers to disconnect and can terminate an internet backup in progress. “Immediate” mode will abort all server processes instantly, and not using a clean shutdown. The server is started in the background, and its standard enter is connected to /dev/null . On Unix-like methods, by default, the server’s standard output and normal error are despatched to pg_ctl’s standard output .
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