Performance Schema accounts Table
Description
Each account that connects to the server is stored as a row in the accounts table, along with current and total connections.
The table size is determined at startup by the value of the performance_schema_accounts_size system variable. If this is set to 0, account statistics will be disabled.
| Column | Description |
|---|---|
USER | The connection's client user name for the connection, or NULL if an internal thread. |
HOST | The connection client's host name, or NULL if an internal thread. |
CURRENT_CONNECTIONS | Current connections for the account. |
TOTAL_CONNECTIONS | Total connections for the account. |
The USER and HOST values shown here are the username and host used for user connections, not the patterns used to check permissions.
Example
SELECT * FROM performance_schema.accounts; +------------------+-----------+---------------------+-------------------+ | USER | HOST | CURRENT_CONNECTIONS | TOTAL_CONNECTIONS | +------------------+-----------+---------------------+-------------------+ | root | localhost | 1 | 2 | | NULL | NULL | 20 | 23 | | debian-sys-maint | localhost | 0 | 35 | +------------------+-----------+---------------------+-------------------+
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