vtctl Serving Graph Command Reference
The following vtctl commands are available for administering the Serving Graph.
Commands #
GetSrvKeyspaceNames #
Outputs a list of keyspace names.
Example #
GetSrvKeyspaceNames <cell>
Arguments #
<cell>– Required. A cell is a location for a service. Generally, a cell resides in only one cluster. In Vitess, the terms “cell” and “data center” are interchangeable. The argument value is a string that does not contain whitespace.
Errors #
- the
<cell>argument is required for the<GetSrvKeyspaceNames>command This error occurs if the command is not called with exactly one argument.
GetSrvKeyspace #
Outputs a JSON structure that contains information about the SrvKeyspace.
Example #
GetSrvKeyspace <cell> <keyspace>
Arguments #
<cell>– Required. A cell is a location for a service. Generally, a cell resides in only one cluster. In Vitess, the terms “cell” and “data center” are interchangeable. The argument value is a string that does not contain whitespace.<keyspace>– Required. The name of a sharded database that contains one or more tables. Vitess distributes keyspace shards into multiple machines and provides an SQL interface to query the data. The argument value must be a string that does not contain whitespace.
Errors #
- the
<cell>and<keyspace>arguments are required for the<GetSrvKeyspace>command This error occurs if the command is not called with exactly 2 arguments.
GetSrvVSchema #
Outputs a JSON structure that contains information about the SrvVSchema.
Example #
GetSrvVSchema <cell>
Arguments #
<cell>– Required. A cell is a location for a service. Generally, a cell resides in only one cluster. In Vitess, the terms “cell” and “data center” are interchangeable. The argument value is a string that does not contain whitespace.
Errors #
- the
<cell>argument is required for the<GetSrvVSchema>command This error occurs if the command is not called with exactly one argument.
DeleteSrvVSchema #
DeleteSrvVSchema <cell>