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sql-statement-show-drainer-status.md

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SHOW DRAINER STATUS
An overview of the usage of SHOW DRAINER STATUS for the TiDB database.
/docs/dev/sql-statements/sql-statement-show-drainer-status/

SHOW DRAINER STATUS

The SHOW DRAINER STATUS statement displays the status information for all Drainer nodes in the cluster.

Note:

This feature is only applicable to TiDB Self-Hosted and not available on TiDB Cloud.

Examples

{{< copyable "sql" >}}

SHOW DRAINER STATUS;
+----------|----------------|--------|--------------------|---------------------|
|  NodeID  |     Address    | State  |   Max_Commit_Ts    |    Update_Time      |
+----------|----------------|--------|--------------------|---------------------|
| drainer1 | 127.0.0.3:8249 | Online | 408553768673342532 | 2019-05-01 00:00:03 |
+----------|----------------|--------|--------------------|---------------------|
| drainer2 | 127.0.0.4:8249 | Online | 408553768673345531 | 2019-05-01 00:00:04 |
+----------|----------------|--------|--------------------|---------------------|
2 rows in set (0.00 sec)

MySQL compatibility

This statement is a TiDB extension to MySQL syntax.

See also