user

The client user name. Rows for which theUSERcolumn in the underlying Performance Schema table isNULLare assumed to be for background threads and are reported with a host name ofbackground.

statements

The total number of statements for the user.

statement_latency

The total wait time of timed statements for the user.

statement_avg_latency

The average wait time per timed statement for the user.

table_scans

The total number of table scans for the user.

file_ios

The total number of file I/O events for the user.

file_io_latency

The total wait time of timed file I/O events for the user.

current_connections

目前的数量connections for the user.

total_connections

The total number of connections for the user.

unique_hosts

The number of distinct hosts from which connections for the user have originated.

current_memory

The current amount of allocated memory for the user.

total_memory_allocated

The total amount of allocated memory for the user.