DC/UCF Statistics Reports—SREPORTS › DC/UCF System Statistics Reports

DC/UCF System Statistics Reports

Record Systemwide Data

System statistics record systemwide data. DC/UCF always collects system statistics (they are not optional) because they require minimal overhead and provide valuable information for tuning and maintaining the DC/UCF system.

When Statistics Are Logged

System statistics are logged to the DC/UCF log file at the following times:

• At normal system shutdown
• At the statistics interval established at system generation by the STATISTICS parameter of the SYSTEM statement. The statistics interval can be varied at run time by means of the DCMT VARY STATISTICS command.
• Upon explicit request by means of a DCMT WRITE STATISTICS command.

Summary of System Statistics Reports

System statistics are collected and written for six categories: