vtctl Replication Graph Command Reference
The following vtctl
commands are available for administering the Replication Graph.
Commands
GetShardReplication
Outputs a JSON structure that contains information about the ShardReplication.
Example
GetShardReplication <cell> <keyspace/shard>
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/shard>
– Required. The name of a sharded database that contains one or more tables as well as the shard associated with the command. The keyspace must be identified by a string that does not contain whitespace, while the shard is typically identified by a string in the format<range start>-<range end>
.
Errors
- the
<cell>
and<keyspace/shard>
arguments are required for the<GetShardReplication>
command This error occurs if the command is not called with exactly 2 arguments.