File location (FILE LOCATIONS) category parameters

This document introduces the relevant parameters of the file location category in the system configuration parameters.

Notes!
To ensure the stability and security of the system, please be sure to manually modify the relevant parameters**.

external_pid_file

Specifies the additional process ID (PID) file that can be created by the server for the hypervisor.

| Data Type | Default | Set Category | | --- | --- | | string | | segments; system; restart; superuser |

data_directory

Specifies the directory used for data storage.

| Data Type | Default | Set Category | | --- | --- | | string | ConfigDir | read only |

hba_file

Specifies a host-based authentication configuration file (usually pg_hba.conf).

This parameter can only be set when the server starts. Changes need to be restarted and effective.

| Data Type | Default | Set Category | | --- | --- | | string | ConfigDir/pg_hba.conf | segments; system; restart; superuser |

ident_file

Specifies the configuration file (usually pg_ident.conf) for user name mapping.

This parameter can only be set when the server starts. Changes need to be restarted and effective.

| Data Type | Default | Set Category | | --- | --- | | string | ConfigDir/pg_ident.conf | segments; system; restart; superuser |

Notes!
The above configuration files can be found in the data directory.
When setting any of these parameters, the relative path will be interpreted as a path relative to the YMatrix startup path.