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Spotlight on DB2 6.9.3 - User Guide

Spotlight on IBM DB2 LUW (Linux, Unix, and Windows)
New in This Release Getting started with Spotlight on IBM DB2 LUW Desktop features specific to Spotlight on IBM DB2 LUW Spotlight on IBM DB2 LUW drilldowns
About Spotlight on IBM DB2 LUW drilldowns Buffer Pool Analysis drilldown Client Application Analysis drilldown Database Analysis drilldown Database Manager Summary drilldown Diagnostic Log drilldown FCM Analysis drilldown Tablespace Analysis drilldown Top SQL drilldown Operating System drilldown Workload Management Analysis drilldown
Spotlight on IBM DB2 LUW alarms Spotlight on IBM DB2 LUW Options Tuning SQL statements in Spotlight on IBM DB2 LUW
Spotlight Basics
Spotlight Connections Monitor Spotlight Connections Alarms Charts, Grids And Home Page Components View | Options Troubleshooting
Spotlight History Spotlight on Windows
Connect to Windows Systems Background Information Home Page Alarms Drilldowns View | Options Troubleshooting
Spotlight on Unix About us Third-party contributions Copyright

Lock List Utilization Percent graph

The Lock List Utilization Percent graph shows the percentage of total lock list memory being used in the database over consecutive monitoring intervals. Spotlight calculates this percentage from the ratio of the amount of lock list memory currently being used to the amount of memory allocated to the lock list (determined by the value of the LOCKLIST database configuration parameter).

If this percentage is consistently close to or at 100 percent, the number of escalations for applications in the database probably increases. You might need to increase the value of the LOCKLIST parameter or MAXLOCKS parameter. (The MAXLOCKS parameter value is the maximum amount of lock list memory that each application can hold before lock escalation begins.)

 

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