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Use index views to access DB2 performance topics


Several index views are available to simplify quick access by DB2 topic to related product views without multilevel drill down, as shown in the following figure:

    W1 =EZDTOPIC=TOPICA===DB2KLA===*========15AUG2008==16:07:25====MVDB2====D====1
                                                                             
 DB2 Topic Index - A          View      SSI  Monitor  ZPARM     Acctg   Trace
 Abnormal Terminations        STSERVD    Y   THDAB     -        HT(X)   SUM   
 Aborts (Rollbacks)           STSERVD    Y   THDAB     -        HT(X)   DTL   
 Accounting Data              THDACTV    Y    -        -        HT      SUM   
  Active Classes              STDB2D     -    -       ZPTRACED   -       -    
 Active Logs                  STLOGD     Y   LOGUT    ZPLOGD     -       -    
 Active Threads               THDACTV    Y   THD*     ZPTHDD     -       -    
 Address Space CPU            STDBSYSD   Y    -        -         -       -    
 ADMF - Hiperpools            BFRPL      Y    -        -         -       -    
 Agent Services(Intl DB2)     STAGENTD   Y    -        -         -       -    
 Allocations-Plan/Package     STBINDD    Y    -        -         -      DTL   
 Application Defaults          -         -    -       ZPHDECPD   -       -    
 Archive Logs                                                                 
  Allocations                 DLOGS      -   ARCWA    ZPARCALD   -       -    
  Definitions                  -         -    -       ZPARCDFD   -       -    
  Waits                        -         -    -        -        TSTAT   SUM   
  Reads for Backout           STLOGD     Y   ARC*      -         -       -    
 Assistant - Sysplex PRLL     STQPARD    Y    -       ZPDSHRD   HT      SUM   
 Async I/O                    BFRPL      Y    -        -        TSTAT   SUM   
  Totals, DB2                 STBFRPLD   Y   PFTIO     -        HT      SUM   
  Totals by DB                PSDBSZ     Y    -        -         -       -    
  Totals by Object            PSOBSZ     Y    -        -         -      IO    
  Totals per Pool             BFRPL      Y   PFTIO     -        TSTAT   SUM   
  Totals by Volume            PSVOLSZ    Y    -        -         -       -    
 Attach (Connect) Types        -         -    -        -        HT      SUM   
 Authorization                                                                
  Caching                     STAUTHD    Y    -        -         -       -    
  Definition/Processing       STAUTHD    Y    -       ZPAUTHD    -       -    
  Authorization Failures      STAUTHD    Y    -        -        HT      EV/DTL
 Automatic BINDs, Package     STBINDD    Y   BN*      ZPTHDD     -       -    
 Automatic BINDs, Plan        STBINDD    Y   BIND*    ZPTHDD     -       -    
 Auxiliary Tables             STSQLD     Y    -        -        TSTAT   SUM   
                                                                             
 . Link to next page

Start by accessing the DB2 Topic Index Menu, EZDTOPIC, see the following figure:

W1 =EZDTOPIC==========DB2KLA===*========15AUG2008==16:07:25====MVDB2====D====1
DB2 Topic Index
                     . A  . B  . C  . D  . E  . F  . G  . H
                     . I  . J  . K  . L  . M  . N  . O  . P
                     . Q  . R  . S  . T  . U  . V  . W  . X
                     . Y  . Z

From this menu, you can select one index view for topics that begin with each letter of the alphabet. At any point when looking at another view, you can enter a view name TOPICx to directly access topics starting with that letter; for example, type TOPIC L for lock information.

From each list of DB2 topics, you can then access detailed information for each of the listed topics.

Multiple hyperlinks are provided for each topic, as applicable:

Field name

Description

View

Provides detailed statistics or status information for one DB2

SSI

Accesses a similar single system image view, for an SSI context with multiple DB2s

Monitor

Accesses the DSERV monitor list view, selecting related monitors if active

From DSERV, monitor plot displays that show more history can be accessed.

ZPARM

Accesses a ZPARM view with one or more related DB2 parameters, if applicable

acctg

Accounting data

Accesses thread history, if applicable

  • HT indicates that data about this topic entry is included in the Thread History, Thread Query, and Thread Interval History views, and hyperlinks to HTLOGS to provide access to all available thread history data sources.
  • HT(X) provides the same hyperlink, but indicates that this topic entry is also related to an exception category in the Thread Interval History views.
  • TSTAT is shown if the data about the topic entry is only available in the full accounting data. The hyperlink accesses TSTAT for the current THRDHIST trace. A relevant section may be included as a parameter in the hyperlink to help identify where the data is; for example, in the ELAPSED or BPOOL section. (You can delete this parameter to see the complete TSTAT display.)

Trace

Accesses related DB2 trace data

  • EV indicates that a system event trace is available. The hyperlink accesses a related system event view. These traces are only available if the MainView for DB2 - Data Collector component is active.
  • SUM indicates that this item is available in the accounting data in a summary trace. The hyperlink accesses the current traces view (CT), where active trace data can be viewed.
  • The event category (DTL, SQL, SCAN, LOCK, IO, DDF, DDFV) is shown if the event is captured in detail application traces. The hyperlink accesses the current traces view (CT), where active detail trace data can be viewed, or a new detail trace can be activated with the ST command.
  • EV plus the event category (DTL, SQL, SCN, LCK, IO, DDF, DDV) is shown if the event is included in both a system event trace and a detail application trace. The hyperlink accesses a related system event view.

Related topic

 

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