MariaDB 5.2 introduced the User Statistics feature.
SHOW USER_STATISTICS
The SHOW USER_STATISTICS
statement was introduced in MariaDB 5.2 as part of the User Statistics feature. It was removed as a separate statement in MariaDB 10.1.1, but effectively replaced by the generic SHOW information_schema_table
statement. The information_schema.USER_STATISTICS
table holds statistics about user activity. You can use this table to find out such things as which user is causing the most load and which users are being abusive. You can also use this table to measure how close to capacity the server may be.
The userstat
system variable must be set to 1 to activate this feature. See the User Statistics and information_schema.USER_STATISTICS
table for more information.
From MariaDB 10.0:
SHOW USER_STATISTICS\G *************************** 1. row *************************** User: root Total_connections: 1 Concurrent_connections: 0 Connected_time: 3297 Busy_time: 0.14113400000000006 Cpu_time: 0.017637000000000003 Bytes_received: 969 Bytes_sent: 22355 Binlog_bytes_written: 0 Rows_read: 10 Rows_sent: 67 Rows_deleted: 0 Rows_inserted: 0 Rows_updated: 0 Select_commands: 7 Update_commands: 0 Other_commands: 0 Commit_transactions: 1 Rollback_transactions: 0 Denied_connections: 0 Lost_connections: 0 Access_denied: 0 Empty_queries: 7
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https://mariadb.com/kb/en/show-user_statistics/