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

1. 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

1. 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

1. 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

1. DeleteSrvVSchema  <cell>

See Also