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--- en:dpi:dpi_components:platform:dpi_admin:admin_db:start [2020/01/22 09:06] – edrudichgmailcom
+++ en:dpi:dpi_components:platform:dpi_admin:admin_db:start [Unknown date] (current) – removed - external edit (Unknown date) 127.0.0.1
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-====== 2 Database administration ======
-{{indexmenu_n>2}}
-UDR (built-in database, user data repository) is used for permanent storage of data on services and policing settings for the subscribers.
-**List of database tables**
-^ Table ^ Purpose ^
-|bindings| login and address binding|
-|bindings_multi| login and address binding for multu-subscribers (with several IPs)|
-|policing| Subscriber policing setting|
-|profile_names| Names of profiles|
-|profiles| Profiles of services and policing|
-|services| Subscriber services setting|
-|vchannel_policing| Channel policing setting|
-|ip_props| BRAS subscriber properties|
-==== Activating the built-in database ====
-<note important>UDR activation is required to support dynamic IPs and subscribers with several IPs.</note>
-UDR is activated by the configuration parameter in ///etc/dpi/fastdpi.conf// file.
-<code>udr=1</code>
-The created database is located in the ///var/db/dpi// directory
-<note important>You can make a copy of the database without stopping the DPI with a backup command
-<code>mdb_copy/var/db/dpi./DB</code>
-and handle further manipulations in the copied database.</note>
-==== Enlarging the DB ====
-By default, the database size is limited to 1GB. If you have more than 1 million policing profiles, you will need to increase the default size:
-<code>udr_size=2147483648</code>
-will set the DB size of 2GB.
-<note>The built-in database does not require administration and is fault tolerant. However, in rare cases, damage to the embedded database occurred. In this case, one of the following options is possible.</note>