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sql-statement-show-processlist.md

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SHOW [FULL] PROCESSLIST | TiDB SQL Statement Reference
An overview of the usage of SHOW [FULL] PROCESSLIST for the TiDB database.

SHOW [FULL] PROCESSLIST

This statement lists the current sessions connected to the same TiDB server. The Info column contains the query text, which will be truncated unless the optional keyword FULL is specified.

Synopsis

ShowProcesslistStmt:

ShowProcesslistStmt

OptFull:

OptFull

Examples

mysql> SHOW PROCESSLIST;
+------+------+-----------+------+---------+------+-------+------------------+
| Id   | User | Host      | db   | Command | Time | State | Info             |
+------+------+-----------+------+---------+------+-------+------------------+
|    1 | root | 127.0.0.1 | test | Query   |    0 | 2     | SHOW PROCESSLIST |
|    2 | root | 127.0.0.1 |      | Sleep   |    4 | 2     |                  |
+------+------+-----------+------+---------+------+-------+------------------+
2 rows in set (0.00 sec)

MySQL compatibility

  • The State column in TiDB is non-descriptive. Representing state as a single value is more complex in TiDB, since queries are executed in parallel and each goroutine will have a different state at any one time.

See also