Viewing delay statistics for current activity

You can view delay statistics for current SQL activity.

Procedure

To view delay statistics for current activity:

  1. On the IBM DB2 Query Monitor for z/OS panel (the main menu), type 3 in the Option field, and press Enter.
  2. Locate the SQL activity for which you want to view delay statistics.
  3. Type D in the CMD field next to the SQL activity of interest, and press Enter.
    The Delay Statistics panel is displayed:
    Figure 1. Delay Statistics panel
    YYYY/MM/DD HH:MM:SS  --------- Delay Statistics ---------  Row 1 of 30        
    Option  ===> ________________________________________________ Scroll ===> PAGE 
                                                                                   
    NAVI:   DB2(ST):DB01                                                           
    ------------------------------------------------------------------------       
    Delay Event                           Event Count      Delay Time              
    Lock or Latch Delays                            0         0.000000
    Synchronous I/O Delays                     11,260        20.285012
     Database I/O Delays                       10,635        20.033022
     Log Write I/O Delays                         625         0.251989
    Other Read Delays                              11         0.047683
    Other Write Delays                              0         0.000000
    Service Task Switch Delays                  5,231        23.957937
     Update Commit Delays                           0         0.000000
     Open/Close Delays                          2,475        19.004652
     SYSLGRNG Rec Delays                          160         0.039277
     EXT/DEL/DEF Delays                         2,507         4.793309
     Other Service Delays                          89         0.120698
    Archive Log Quiesce Delays                      0         0.000000
    Archive Log Read Delays                         0         0.000000
    Drain Lock Delays                               0         0.000000
    Claim Release Delays                            0         0.000000
    Page Latch Delays                               0         0.000000
    Stored Procedure Delays                         0         0.000000
    UDF Schedule Delays                             0         0.000000
    Notify Message Delays                       1,385         0.310889
    Global Contention Delays                        0         0.000000
     L-Locks Parent (DB,TS,TAB,PART)                0         0.000000
     L-Locks Child  (PAGE,ROW)                      0         0.000000
     L-Locks Other                                  0         0.000000
     P-Locks Pageset/Partition                      0         0.000000
     P-Locks Page                                   0         0.000000
     P-Locks Other                                  0         0.000000
    Commit Phase 1 Write IO Delays                  0         0.000000
    Asynch CF Requests Delays                       0         0.000000
    Total Delays                               17,887        44.601523
    ***************************** Bottom of Data **********************************
    For a description of each statistic listed on this panel, see Delay statistics - fields (ISPF).