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Candle-lite DB2 manual Inactive thread exceptions, Buffer pool exceptions

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System Status Components and Related Exceptions

Description	Code	Explanation

Thread elapsed time	ETIM	The elapsed time for a DB2 thread (from sign-on or create
		thread) exceeds the specified threshold.

Thread terminated	INDB	The thread has terminated and is indoubt.
indoubt

Update commit	COMT	The ratio of updates to commits for the thread exceeds the
		specified threshold.

Wait for archive log	WLGQ	The amount of time that a thread has been suspended due
mode		to ARCHIVE LOG MODE (QUIESCE) exceeds the specified
		threshold value.

Wait for DB2 service	WSRV	The amount of time a thread has been waiting for a DB2
		service to complete exceeds the specified threshold value.

Wait for	CTHD	An application is waiting for DB2 to create a thread.
thread-create

Stored procedure	WSPS	The amount of time a thread has been waiting for an
wait		available TCB to schedule a stored procedure exceeds the
		specified threshold.

Inactive thread exceptions

The following exceptions apply to inactive threads. An inactive thread does not hold any cursors or database resources, but remains connected to DB2.

Description	Code	Explanation

DBAT over maximum	MDBW	The number of distributed data access threads (DBAT)
wait		waiting because the preset maximum has been reached
		exceeds the specified threshold.
		Queuing of conversations when the MAXDBAT limit is
		reached can greatly impact response time.

Buffer pool exceptions

The following exceptions apply to buffer pool resources.

Description	Code	Explanation

Buffer pool utilization	BMTH	Buffer pool nn has exceeded the specified threshold.

72 OMEGAMON II for DB2 User’s Guide: CUA Interface, Version 540

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Candle-lite DB2 Inactive thread exceptions, Buffer pool exceptions, Following exceptions apply to buffer pool resources

Contents

User’s Guide CUA Interface Omegamon II for DB2 User’s Guide CUA Interface, Version Contents Index 129 List of Figures Omegamon II for DB2 User’s Guide CUA Interface, Version Preface Where to look for information About This BookWho should read this book Documentation set informationPrinting problems? Adobe Portable Document FormatIntroduction Documentation Conventions REPORT=SUMMARY Histogram Candle Customer Service and Satisfaction Candle Customer Service and Satisfaction contactsBackground Page Omegamon II for DB2 User’s Guide CUA Interface, Version Historical Reporter redesign New IFCID-based reportsBit addressing support Long name supportUnicode support Enclave supportNew Dsnzparm fields Distributed Thread display improvementsOmegamon II for DB2 User’s Guide CUA Interface, Version Chapter Contents IntroductionWhere applid is the application name Signing OnLogging on to the application Sign On panelAccessing Omegamon from Omegaview Sign On panel fieldsFields of the Sign On Panel are defined in the table below Field DescriptionSetting Logon Options Logon Options panel fieldsLogical rows Number of logical rows Signing Off Returning to Omegaview from OmegamonPanel Features Panel featuresPart Feature Description Part Feature Description Data Panels DescriptionHighlighted data fields ScrollingPushbuttons Action Bar Selecting from the action barFast pathing from the action bar Actions pull-down GoTo pull-down View pull-downOptions pull-down Tools pull-downHelp pull-down Using an action code Action CodesAvailable action codes You can use these action codes in OmegamonDefault function key assignments are listed below Function KeysFunction key assignments Function Name Assignment KeyCUA/TSO PA1Omegaview PA2 OmegaviewGetting Help Help from a panelHelp from the action bar Help menu provides the following selectionsUsing the Glossary Searching the glossaryIf you are Help function keys Customizing Omegamon Introduction Accessing the Preferences window Using the Preferences windowTo access the Preferences pop-up window Specifying Panel PreferencesAction to occur Accessing the Terminal Options window Using the Terminal Options windowSpecifying Terminal Options Values for SQL Description Process Level ManualAuto SaveSaving Terminal Options Saving for current sessionSaving to a profile Setting Thresholds Accessing the Thresholds windowUsing the thresholds windows Follow these steps to change threshold valuesSaving threshold values Accessing user authorities Assigning User AuthoritiesAdding a user Deleting a userAccessing profile maintenance Maintaining ProfilesProfile types Omegamon II uses three different profilesD61A$DEFAULT Copying a profileImporting a Profile Exporting a ProfileDeleting a profile Modifying a profile descriptionSwitching profiles Using the Dynamic Profile Update FacilityExample command for exporting a profile Example command for importing a profileMVS Modify command for exporting a profile is as follows MVS Modify command for importing a profile is as followsSetting Filtering Options for Near-Term Thread History Accessing the Filter Options windowUsing the Filter Options window To access the Filter Options pop-up windowTime Accessing the Save SQL Text Parameters window Using the Save SQL Text Parameters windowSpecifying Save Options for SQL Text Using the Callable Interface Set up the CUA options Set up the !DB/EXPLAIN optionsSetting Up !DB/EXPLAIN Setting Up the CUA OptionsSQLID.PLANTABLE Step Action Log onto CUASetting Up the D2/EXPLAIN Options Use the following procedure to set up the D2/EXPLAIN optionsText and invokes the Explain function Use the following procedure to Explain SQL EXPLAINing SQL CodeAppend CPU % Press the Process SQL key Page Using Omegamon This chapter describes how to use OmegamonMonitoring from the System Status Panel DB2 subsystem componentsMonitored objects Status indicators Alert notificationInvestigating an alert Color StatusPerforming actions from the System Status panel System Status Components and Related Exceptions Cics exceptionsDescription Code Explanation IMS exceptions TSO exceptionsBackground exceptions Utility exceptionsActive thread exceptions Following exceptions apply to active threadsInactive thread exceptions Buffer pool exceptionsFollowing exceptions apply to buffer pool resources EDM pool exceptions Lock statistics exceptionsLog manager exceptions DDF statistics exceptionsDB2 activity exceptions Lock exceptionsFollowing exceptions apply to DB2 activity alerts Following exceptions apply to lock alertsVolume activity exceptions Stored procedures exceptionsActive trace exceptions Triggers exceptions User-defined functions exceptionsFollowing exceptions apply to alerts relating to triggers Following exceptions apply to user-defined functionsInvestigating an Active Threads Alert Active threads alertException recommendations Investigating the exception conditionEvaluating and Modifying Thresholds Displaying all exceptionsModifying thresholds Adding or modifying rules Accessing near-term history data Reviewing Near-Term History DataThread activity for a reporting period Thread activity for a report interval Initiating a background application trace Specifying background application trace optionsSize Size of the dataset in megabytes Volume Identifying the dataset to which trace data is writtenViewing the list of background traces Name of the dataset you want to createActivities you can perform in a background trace request Using the Ifcid Trace Facility OverviewStarting an Ifcid Trace Displaying Ifcid Trace Data Stopping an Ifcid Trace Page Using Omegamon II for DB2 Background about !DB/EXPLAIN for DB2 Functions provided by !DB/EXPLAIN for DB2Using Omegamon II and !DB/EXPLAIN Complementary Functions When to use the complementary functionsAssumptions Using Omegamon II and !DB/EXPLAIN Complementary Functions Using the Omegamon II for DB2 Callable Interface Testc Current Sqlid is determined by the DB2 security exit Fields for Terminal Description Options SQL Text ATF. You can access the SQL Text panel through SAVE/EXPLAIN Required fields for the SAVE/EXPLAIN optionUsing the D2/EXPLAIN Options Panel PDSFrom the other !DB/EXPLAIN report sections that follow Press the Process SQL key Moving Interactively between !DB/EXPLAIN and Omegamon What functions can you use?Modes of operation Prerequisites for real time access Procedure to use the full function of !DB/EXPLAINWhat happens when you cancel the Omegamon II session? Using the Copy-and-Paste Facility in Omegamon Prerequisites to using the copy-and-paste facilityCapturing SQL from a running thread Capturing SQL using the ATF Accessing Omegamon II Trace Information from !DB/EXPLAIN Direction of accessPrerequisites for using the Omegamon II trace information Procedure to obtain current trace informationSources of information Task You Want to Perform Source of InformationPage Panel Navigation Flowcharts Appendix ContentsFlowchart Conventions System Status panelElement Description System Status DB2Workloads Panels Cics IMSTSO Workloads Panels Near-term history Cics IMS TSOResources Panels Resources Panels Realtime Resources Panels Near-Term History Alerts Panels Alerts Panels Installation Parameters Panels Installation Parameters Panels Application Trace Facility Panels Application Trace Facility Panels Object Analysis Panels Object Analysis Panels Thread Detail GoTo Panels Thread Detail GoTo Panels Realtime Thread History Detail GoTo Panels Near-Term History Index Omegamon II for DB2 User’s Guide CUA Interface, Version 131 Omegamon II for DB2 User’s Guide CUA Interface, Version