7.3.31. log_reopen#

7.3.31.1. Summary#

log_reopen is a command that reloads log files.

It is used to reload log files such as groonga log or query log which are specified by --log-path or --query-log-path options.

Note

This command only works when the number of worker processes is equal to 1. Thus, it means that if you use groonga-httpd with 2 or more workers, you must use groonga-httpd -s reopen instead.

7.3.31.2. Syntax#

This command takes no parameters:

log_reopen

7.3.31.3. Usage#

log_reopen

[true]

7.3.31.3.1. Lotate log files with log_reopen#

  1. Rename target log files such as mv command. (Log content is still written into moved log files)

  2. Execute log_reopen command.

  3. New log file is created as same as existing log file name. newer log content is written to new log file.

7.3.31.4. Parameters#

There is no required parameter.

7.3.31.5. Return value#

The command returns true as body if the command succeeds such as:

[HEADER, true]

The command returns false otherwise such as:

[HEADER, false]

7.3.31.6. See also#

log_level log_put