Log Manager Statistics Summary by Report Interval
This panel shows an overview of the Db2 log manager activity that was recorded during a series of report intervals.
________________ ZHLGS VTM O2 V550.#P SE12 11/06/13 11:59:05 2
> Help PF1 Back PF3 Up PF7 Down PF8 Zoom PF11
> H.A.G
> Enter a selection letter on the top line.
>
> A-SUBSYSTEM SUPPORT B-BIND C-BUFFER POOL D-GROUP BP
> E-DISTRIBUTED DATABASE F-EDM POOL *-LOG MANAGER H-OPEN/CLOSE
> I-SQL/RID/PARALLEL/PROC J-LOCK/CLAIM/DRAIN K-GLOBAL LOCK L-DB2 COMMANDS
> O-OPTIONS
===============================================================================
> LOG MANAGER STATISTICS SUMMARY BY REPORT INTERVAL
HLGS
+ Collection Interval: 1 min Start: 11/06 11:44
+ Report Interval: 1 min Combine Level: NONE End: 11/06 11:59
+
+ Archive Archive
+ Total Read Total Write BSDS Read Write
+ Interval Reads Delay Writes Delay Access Allocs Allocs
+ ----------- ------- ------- ------- ------- ------- ------- -------
+ 11/06 11:59 0 0 16 0 2 0 0
+ 11/06 11:57 0 0 15 0 2 0 0
+ 11/06 11:56 0 0 15 0 0 0 0
+ 11/06 11:55 0 0 15 0 0 0 0
+ 11/06 11:54 0 0 248 0 2 0 0
+ 11/06 11:53 0 0 15 0 2 0 0
+ 11/06 11:52 0 0 15 0 0 0 0
+ 11/06 11:51 0 0 15 0 0 0 0
+ 11/06 11:50 0 0 15 0 2 0 0
+ 11/06 11:49 0 0 36 0 2 0 0
+ 11/06 11:48 190535 0 212666 0 533 0 1
+ 11/06 11:47 0 0 109757 0 5 0 0
+ 11/06 11:46 0 0 57855 0 5 0 0
+ 11/06 11:45 0 0 15 0 2 0 0
===============================================================================Navigation
For additional information about:
- A report interval, move the cursor to the line you want and press F11 (Zoom). (Each date/time displayed reflects the end of an interval.)
- Related topics, select one of the options at the top of the panel.
- Other topics, use the PF keys.
Fields
- Collection Interval
- The time interval specified for the collection of near-term history data. This unit of time was specified when the Near-Term History Data Collector was started.
- Start
- The start time of the first interval in this display.
- Report Interval
- This field determines the report interval. It is set on the Near-Term History Report Option panel.
- Combine Level
- This field reflects the selected combine level.
If Combine Level is NONE, the report interval is the same as the collection
interval. Possible values:
- HOURLY
- Data will be reported in hourly intervals.
- NONE
- Data will be reported in the time unit specified by the collection interval.
- End
- The end time of the last interval in this display.
- Interval
- Provides the date and time that mark the end of the report interval.
- Total Reads
- The number of times Db2 read a log record.
- Read Delay
- The number of log reads that were delayed.
- Total Writes
- The number of times Db2 externalized log records, both synchronously and asynchronously.
- Write Delay
- The number of times Db2 tried to place log records in the output buffer but could not find an available buffer.
- BSDS Access
- The number of times the bootstrap data set access routine was called.
- Archive Read Allocs
- The number of archive read allocations, which is an indicator of archive log open/close activity.
- Archive Write Allocs
- The number of archive write allocations, which is an indicator of archive log open/close activity.