COMMANDMONITOR
The system table SYSINFO.COMMANDMONITOR
describes monitoring data for single executions of SQL statements.
|
CHAR(8) BYTE |
Identification of the SQL statement |
|
FIXED(20) |
Number of executions of the SQL statement |
|
FIXED(20) |
Number of rows of a mass SQL statement |
|
FIXED(20) |
Number of executions of the SQL statement |
|
FIXED(10) |
Identification of the database session |
|
FIXED(10) |
Identification of the constraint kept in COMMANDMONITORCONSTRAINTS |
|
TIMESTAMP |
Time the last execution of this SQL statement was finished |
|
FIXED(20) |
Kernel execution time for this SQL statement (microseconds) |
|
FIXED(20) |
Bridge execution time for this SQL statement NULL for non-Bridge SQL statement (microseconds) |
|
FIXED(20) |
Number of rows read during execution of this SQL statement |
|
FIXED(20) |
Number of rows qualified during execution of this SQL statement |
|
FIXED(20) |
Number of physical reads during execution of this SQL statement |
|
FIXED(20) |
Number of virtual reads during execution of this SQL statement |
|
FIXED(20) |
Number of fetch calls during execution of this SQL statement |
|
FIXED(20) |
Number of rows fetched during execution of this SQL statement |
|
FIXED(20) |
Number of physical reads during execution of this SQL statement |
|
FIXED(20) |
Number of waits during execution of this SQL statement |
|
FIXED(10) |
Number of pages read during execution of this SQL statement |
|
FIXED(10) |
Number of pages written during execution of this SQL statement |
|
FIXED(20) |
Number of read ahead requests during execution of this SQL statement |
|
FIXED(20) |
Number of read ahead requests ignored during execution of this SQL statement |
|
FIXED(20) |
Number of read ahead pages read during execution of this SQL statement |
|
FIXED(20) |
Number of assignments of the CPU during executions of this SQL statement |
|
FIXED(20) |
Number of voluntary releases of the CPU during execution of this SQL statement |
|
FIXED(20) |
Number of region accesses during execution of this SQL statement |
|
FIXED(20) |
Number of read calls done during execution of this SQL statement (no request to I/O threads) |
|
FIXED(20) |
Number of pages read during SELFIOREADCOUNT during execution of this SQL statement |
|
FIXED(38) |
Average time needed for each read operation during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total time needed for each read operation during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Number of write calls during execution of this SQL statement (no request to I/O threads) |
|
FIXED(20) |
Number of pages written during SELFIOWRITECOUNT during execution of this SQL statement |
|
FIXED(38) |
Average time needed for each write operation during execution of this SQL statement |
|
FIXED(20) |
Total time needed for each write operation during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Number of read calls requested during execution of this SQL statement and done by I/O thread |
|
FIXED(20) |
Number of pages read by a I/O thread during execution of this SQL statement |
|
FIXED(38) |
Average time needed for each read operation during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total time needed for each read operation done by a I/O thread during execution of this SQL statement (microseconds) |
|
FIXED(38) |
Average waiting time between read request and getting the replay during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total waiting time between read request and getting the replay during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Number of write calls during execution of this SQL statement and done by an I/O thread |
|
FIXED(20) |
Number of pages written by an I/O thread during execution of this SQL statement |
|
FIXED(38) |
Average time needed for each write operation done by an I/O thread during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total time needed for each write operation done by an I/O thread during execution of this SQL statement (microseconds) |
|
FIXED(38) |
Average waiting time between write request and getting the replay during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total waiting time between write request and getting the replay during execution of this SQL statement (microseconds) |
|
FIXED(38) |
Average time for each suspend during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total time for each suspend during execution of this SQL statement (microseconds) |
|
FIXED(38) |
Average waiting time between suspending itself and getting the resume during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total waiting time between suspending itself and getting the resume during execution of this SQL statement (microseconds) |
|
FIXED(38) |
Average waiting time for a lock during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total waiting time for a lock during execution of this SQL statement (microseconds) |
|
FIXED(38) |
Average waiting time between suspending itself and getting the lock during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total waiting time between suspending itself and getting the lock during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Number of sleep requests during execution of this SQL statement |
|
FIXED(38) |
Average sleeping time during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total sleeping time during execution of this SQL statement (microseconds) |
|
FIXED(38) |
Average time between starting of sleep and being awakened during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total time between starting of sleep and being awakened during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Number of waits for external data source during execution of this SQL statement |
|
FIXED(38) |
Average waiting time for external data source during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total waiting time for external data source during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Number of changes to state running during execution of this SQL statement |
|
FIXED(38) |
Average time needed at state running during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Total time needed at state running during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Number of scheduler calls during execution of this SQL statement |
|
FIXED(38) |
Average time needed for scheduling during execution of this SQL statement (microseconds) |
|
FIXED(20) |
Totaltime needed for scheduling during execution of this SQL statement (microseconds) |
|
FIXED(5) |
Identification of the partition |
|
FIXED(10) |
Identification of the client hardware |
|
CHAR(64) |
Identification of the client hardware |
Database Administration in CCMS, Command Monitor
Database Studio, Analyzing the Performance of SQL Statements