
The system table SYSINFO.COMMANDMONITOR describes monitoring data for single executions of SQL statements.
|
COMMANDID |
CHAR(8) BYTE |
Identification of the SQL statement |
|
EXECUTECOUNT |
FIXED(20) |
Number of executions of the SQL statement |
|
ROWNUMBER |
FIXED(20) |
Number of rows of a mass SQL statement |
|
PARENTEXECUTECOUNT |
FIXED(20) |
Number of executions of the SQL statement |
|
SESSIONID |
FIXED(10) |
Identification of the database session |
|
CONSTRAINTID |
FIXED(10) |
Identification of the constraint kept in COMMANDMONITORCONSTRAINTS |
|
EXECUTIONENDDATE |
TIMESTAMP |
Time the last execution of this SQL statement was finished |
|
RUNTIME |
FIXED(20) |
Kernel execution time for this SQL statement (microseconds) |
|
DATASOURCERUNTIME |
FIXED(20) |
Bridge execution time for this SQL statement NULL for non-Bridge SQL statement (microseconds) |
|
READROWCOUNT |
FIXED(20) |
Number of rows read during execution of this SQL statement |
|
QUALIFIEDROWCOUNT |
FIXED(20) |
Number of rows qualified during execution of this SQL statement |
|
PHYSICALREADCOUNT |
FIXED(20) |
Number of physical reads during execution of this SQL statement |
|
VIRTUALREADCOUNT |
FIXED(20) |
Number of virtual reads during execution of this SQL statement |
|
FETCHCOUNT |
FIXED(20) |
Number of fetch calls during execution of this SQL statement |
|
FETCHROWCOUNT |
FIXED(20) |
Number of rows fetched during execution of this SQL statement |
|
SUSPENDCOUNT |
FIXED(20) |
Number of physical reads during execution of this SQL statement |
|
WAITCOUNT |
FIXED(20) |
Number of waits during execution of this SQL statement |
|
READPAGECOUNT |
FIXED(10) |
Number of pages read during execution of this SQL statement |
|
WRITEPAGECOUNT |
FIXED(10) |
Number of pages written during execution of this SQL statement |
|
READAHEADREQUESTCOUNT |
FIXED(20) |
Number of read ahead requests during execution of this SQL statement |
|
READAHEADIGNOREDREQUESTCOUNT |
FIXED(20) |
Number of read ahead requests ignored during execution of this SQL statement |
|
READAHEADPHYSICALREADPAGECOUNT |
FIXED(20) |
Number of read ahead pages read during execution of this SQL statement |
|
DISPATCHCOUNT |
FIXED(20) |
Number of assignments of the CPU during executions of this SQL statement |
|
TASKSELFSUSPENDCOUNT |
FIXED(20) |
Number of voluntary releases of the CPU during execution of this SQL statement |
|
REGIONACCESSCOUNT |
FIXED(20) |
Number of region accesses during execution of this SQL statement |
|
SELFIOREADCOUNT |
FIXED(20) |
Number of read calls done during execution of this SQL statement (no request to I/O threads) |
|
SELFIOREADPAGECOUNT |
FIXED(20) |
Number of pages read during SELFIOREADCOUNT during execution of this SQL statement |
|
AVGSELFIOREADABSOLUTETIME |
FIXED(38) |
Average time needed for each read operation during execution of this SQL statement (microseconds) |
|
SELFIOREADABSOLUTETIME |
FIXED(20) |
Total time needed for each read operation during execution of this SQL statement (microseconds) |
|
SELFIOWRITECOUNT |
FIXED(20) |
Number of write calls during execution of this SQL statement (no request to I/O threads) |
|
SELFIOWRITEPAGECOUNT |
FIXED(20) |
Number of pages written during SELFIOWRITECOUNT during execution of this SQL statement |
|
AVGSELFIOWRITEABSOLUTETIME |
FIXED(38) |
Average time needed for each write operation during execution of this SQL statement |
|
SELFIOWRITEABSOLUTETIME |
FIXED(20) |
Total time needed for each write operation during execution of this SQL statement (microseconds) |
|
IOREADCOUNT |
FIXED(20) |
Number of read calls requested during execution of this SQL statement and done by I/O thread |
|
IOREADPAGECOUNT |
FIXED(20) |
Number of pages read by a I/O thread during execution of this SQL statement |
|
AVGIOREADRELATIVETIME |
FIXED(38) |
Average time needed for each read operation during execution of this SQL statement (microseconds) |
|
IOREADRELATIVETIME |
FIXED(20) |
Total time needed for each read operation done by a I/O thread during execution of this SQL statement (microseconds) |
|
AVGIOREADABSOLUTETIME |
FIXED(38) |
Average waiting time between read request and getting the replay during execution of this SQL statement (microseconds) |
|
IOREADABSOLUTETIME |
FIXED(20) |
Total waiting time between read request and getting the replay during execution of this SQL statement (microseconds) |
|
IOWRITECOUNT |
FIXED(20) |
Number of write calls during execution of this SQL statement and done by an I/O thread |
|
IOWRITEPAGECOUNT |
FIXED(20) |
Number of pages written by an I/O thread during execution of this SQL statement |
|
AVGIOWRITERELATIVETIME |
FIXED(38) |
Average time needed for each write operation done by an I/O thread during execution of this SQL statement (microseconds) |
|
IOWRITERELATIVETIME |
FIXED(20) |
Total time needed for each write operation done by an I/O thread during execution of this SQL statement (microseconds) |
|
AVGIOWRITEABSOLUTETIME |
FIXED(38) |
Average waiting time between write request and getting the replay during execution of this SQL statement (microseconds) |
|
IOWRITEABSOLUTETIME |
FIXED(20) |
Total waiting time between write request and getting the replay during execution of this SQL statement (microseconds) |
|
AVGSUSPENDRELATIVETIME |
FIXED(38) |
Average time for each suspend during execution of this SQL statement (microseconds) |
|
SUSPENDRELATIVETIME |
FIXED(20) |
Total time for each suspend during execution of this SQL statement (microseconds) |
|
AVGSUSPENDABSOLUTETIME |
FIXED(38) |
Average waiting time between suspending itself and getting the resume during execution of this SQL statement (microseconds) |
|
SUSPENDABSOLUTETIME |
FIXED(20) |
Total waiting time between suspending itself and getting the resume during execution of this SQL statement (microseconds) |
|
AVGWAITRELATIVETIME |
FIXED(38) |
Average waiting time for a lock during execution of this SQL statement (microseconds) |
|
WAITRELATIVETIME |
FIXED(20) |
Total waiting time for a lock during execution of this SQL statement (microseconds) |
|
AVGWAITABSOLUTETIME |
FIXED(38) |
Average waiting time between suspending itself and getting the lock during execution of this SQL statement (microseconds) |
|
WAITABSOLUTETIME |
FIXED(20) |
Total waiting time between suspending itself and getting the lock during execution of this SQL statement (microseconds) |
|
SLEEPCOUNT |
FIXED(20) |
Number of sleep requests during execution of this SQL statement |
|
AVGSLEEPRELATIVETIME |
FIXED(38) |
Average sleeping time during execution of this SQL statement (microseconds) |
|
SLEEPRELATIVETIME |
FIXED(20) |
Total sleeping time during execution of this SQL statement (microseconds) |
|
AVGSLEEPABSOLUTETIME |
FIXED(38) |
Average time between starting of sleep and being awakened during execution of this SQL statement (microseconds) |
|
SLEEPABSOLUTETIME |
FIXED(20) |
Total time between starting of sleep and being awakened during execution of this SQL statement (microseconds) |
|
DATASOURCEWAITCOUNT |
FIXED(20) |
Number of waits for external data source during execution of this SQL statement |
|
AVGDATASOURCEWAITABSOLUTETIME |
FIXED(38) |
Average waiting time for external data source during execution of this SQL statement (microseconds) |
|
DATASOURCEWAITABSOLUTETIME |
FIXED(20) |
Total waiting time for external data source during execution of this SQL statement (microseconds) |
|
RUNNINGCOUNT |
FIXED(20) |
Number of changes to state running during execution of this SQL statement |
|
AVGRUNNINGABSOLUTETIME |
FIXED(38) |
Average time needed at state running during execution of this SQL statement (microseconds) |
|
RUNNINGABSOLUTETIME |
FIXED(20) |
Total time needed at state running during execution of this SQL statement (microseconds) |
|
SCHEDULINGCOUNT |
FIXED(20) |
Number of scheduler calls during execution of this SQL statement |
|
AVGSCHEDULINGABSOLUTETIME |
FIXED(38) |
Average time needed for scheduling during execution of this SQL statement (microseconds) |
|
SCHEDULINGABSOLUTETIME |
FIXED(20) |
Totaltime needed for scheduling during execution of this SQL statement (microseconds) |
|
PARTITIONID |
FIXED(5) |
Identification of the partition |
|
APPLICATIONPROCESS |
FIXED(10) |
Identification of the client hardware |
|
APPLICATIONNODE |
CHAR(64) |
Identification of the client hardware |
Database Administration in CCMS, Command Monitor
Database Studio, Analyzing the Performance of SQL Statements