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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
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Deadlocks

The number of deadlocks that have occurred in the database. If this number is high, applications can experience contention problems caused by any of these conditions:

  • Lock escalations are occurring in the database

  • An application is locking tables explicitly when system-generated row locks are sufficient

  • An application is using an inappropriate isolation level during the bind process

  • Catalog tables are locked for repeatable reads

  • Applications are obtaining identical locks in different orders, resulting in deadlocks

Access the Client Application Analysis drilldown to determine in which applications the deadlocks are occurring. Perhaps tweaking these applications will enable them to execute with a higher degree of concurrency.

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