Oracle 5.0 Reference Manual page 1210

The MySQL user who issued the statement. If this is
spawned by the server to handle tasks internally. This could be the I/O or SQL thread used on
replication slaves or a delayed-row handler.
become associated with a client connection but for which authentication of the client user has not yet
been done. For
•
Host
The host name of the client issuing the statement (except for
SHOW PROCESSLIST
format to make it easier to determine which client is doing what.
•
db
The default database, if one is selected, otherwise NULL.
•
Command
The type of command the thread is executing. For descriptions for thread commands, see
Section 8.10, "Examining Thread
commands of the client/server protocol and
Status Variables"
•
Time
The time in seconds that the thread has been in its current state.
•
State
An action, event, or state that indicates what the thread is doing. Descriptions for
be found at
Most states correspond to very quick operations. If a thread stays in a given state for many seconds,
there might be a problem that needs to be investigated.
For the
SHOW PROCESSLIST
•
Info
The statement the thread is executing, or
might be the one sent to the server, or an innermost statement if the statement executes other
statements. For example, if a
statement, the
SELECT
13.7.5.28.
SHOW PROFILE
SHOW PROFILE
[FOR QUERY n]
[LIMIT
type:
ALL
| BLOCK IO
| CONTEXT SWITCHES
| CPU
| IPC
| MEMORY
| PAGE FAULTS
| SOURCE
| SWAPS
The
SHOW PROFILE
resource usage for statements executed during the course of the current session.
user, there is no host specified in the
system
reports the host name for TCP/IP connections in
Section 8.10, "Examining Thread
statement, the value of
CALL
value shows the
Info
Syntax
[type [, type] ... ]
row_count [OFFSET offset]]
and
SHOW PROFILES
Syntax
SHOW
system
unauthenticated user
Information". The value of this column corresponds to the
status variables. See
Com_xxx
Information".
State
if it is not executing any statement. The statement
NULL
statement executes a stored procedure that is executing a
statement.
SELECT
statements display profiling information that indicates
1190
user, it refers to a nonclient thread
refers to a thread that has
column.
Host
where there is no host).
system user
host_name:client_port
Section 5.1.6, "Server
State
is NULL.
COM_xxx
values can