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Spotlight on DB2 6.10 - 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

Pending Locks component

The Pending Locks component keeps track of the percentage of registered database agents waiting for locks within the DB2 database. The database manager grants a lock to an agent for a specific row or table to prevent the agents assigned to other applications from accessing this same data. Lock waits occur when database agents require locks that are currently held by other applications.

A registered database agent is any agent—both working and idle—currently residing in the database.

Required monitor switch


Displayed statistic

At each refresh, Spotlight captures the Agents Pending Locks statistic and displays it for the Pending Locks component. This statistic is the percentage of registered database agents within the database or partition that are waiting on locks. If this percentage is high, an alarm becomes current on this component.

Additional statistic

At each refresh the total number of registered database agents currently waiting on locks within the database is captured but not displayed for this component.

Associated drilldown

Click the Pending Locks component to open the Client Application Analysis drilldown. In the DB2 database or partition you are monitoring, access the Locks tab for details on pending locks.


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