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When an extension for ERP is installed, the Precise for DB2 Collector divides DB2 activities into several groups, called work types.

TechnologyWork type
SAP DialogActivities generated from the SAP Dialog work process.
SAP UpdateActivities generated from the SAP Update work process.
SAP SpoolActivities generated from the SAP Spool work process.
SAP BackgroundActivities generated from the SAP Background work process.
Info

All databases, including those with only one partition, are referred to as database partitions. In the Multipartition column, databases with only one partition will have a value = ‘No’.

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HowtheDashboardtabisstructured
HowtheDashboardtabisstructured
How the Dashboard tab is structured

Figure 3- 1 Precise for DB2 Dashboard tab

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The following table displays information on the general structure of the Dashboard tab.

Table 3- 1 Elements of the Dashboard tab

ElementDescription
Time FrameAllows selecting the time frame we want to work with. The time frame influences all counters displayed (e.g., executions, I/O time).
Filter On/OffAllows filtering the displayed information according to user-defined conditions.
Tab headingDisplays All DB2 databases.
Main areaEach row displays a single database or a single database partition. It displays all databases/partitions which belong to the current tab. Also displayed is a summary row (All).
Details area heading

Displays either a database partition and the name of the server it is running on, or all databases running on all servers.

Info

<number> is displayed only if the partition belongs to a multi-partitioned database.

Details areaDisplays graphs and tables describing the row selected in the Main area.
Details area tabsAllows switching between the different views (Overview, Application)

About the Main area in the Dashboard tab

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The following table displays information on the different database partitions in the application.

Table 3- 2 Database partitions table

Column nameDescriptionSortable
StatusIcon representing the status of the collector (running, stopped, starting, etc.)No
ServerName of the server on which the database partition is running.Yes
Database partition<instance>.<database>[.number]Yes
In DB2 (summed)Stacked bar of 'In DB2' data with regular 3 display modes. Information limited to time frame.Yes
Executions

# of statements executed in time frame.

Info

This value is taken from db-stats information.

Yes
Total lock timeTime period this database partition spent in lock wait.Yes
Multi-partitionedIcon representing if this is part of a multi-partitioned installation or not.Yes
Availability% of availability (0-100)Yes
Catalog partitionName of the database partition (see format above) which contains the database catalog. For single partition, this column will be left blank.Yes
Info

When you open the Dashboard tab, only the first six columns are displayed. To view additional columns (such as: Executions and Last Update columns), use the left and right arrows to the right of the column titles.

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The following table describes the different elements of the Top consumers table.

Table 3- 3 Top consumers table

Column nameDescriptionSortable
Launch

Launch to the activity's statement or object. You will see activity over time. From a statement, launch to the SQL tab. From an Index or Table, Launch to the Activity tab.

No
Consumer TypeTable, Index or Statement.Yes
TextTable name, index name or statement unformatted text.Yes
In DB2 (summed)In DB2 time consumed by the object during the time period.Yes
%% (0-100) representing the percentage of time (of the total In DB2 time of the database partition) spent on that statement or object.Yes
ExecutionsTotal statement executions within the selected time frame. Available for statements, tables, and indexes.Yes

The Bufferpool activity view

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The following table describes the different elements of the Bufferpool activity table.

Table 3- 4 Bufferpool activity table

Column nameDescriptionSortable
LaunchLaunch to activity's bufferpool. You will be able to see the bufferpool's activity over time.No
NameThe bufferpool name.Yes
Total I/O time

A stacked bar of I/O time break into the following:

  • Synchronic read time
  • A-synchronic read time
  • direct read time
  • Synchronic write time
  • A-synchronic write time
  • direct write time
Yes
Hit ratioBufferpool hit ratio.Yes
SizeBufferpool size (in MB).Yes
Bufferpool size (in MB)Bufferpool page size.Yes
Response Time (Avg)Bufferpool’s average response time.No
Logical ReadLogical reads.Yes
Total I/O Count

Bufferpool’s total I/O count, broken down into the following:

  • Synchronic reads
  • A-synchronic reads
  • direct reads
  • Synchronic writes
  • A-synchronic writes
  • directs writes
Yes
Physical ReadsTotal physical reads.Yes
PagesNumber of pages.Yes

The Application tab

The Application tab displays information in three views:

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All views share the same columns headings. The following table describes the different elements of these tables.

Table 3- 5 Application tab tables

Column nameDescriptionSortable
ProgramName of the program.Yes
In DB2 (summed)The In DB2 view displays a stacked bar graph on the In DB2 resource consumption over time, for the selected time frame, broken down into the In DB2 application states.Yes
%Percentage of time the program took out of the total In DB2 time for the selected database partition.Yes
ExecutionsNumber of program executions.Yes
ApplicationsNumber of applications opened by the program.Yes
Info

If you are working with SAP and ERP support is installed, the Application tab is named SAP instead, and the entities displayed are Work Types, Transactions, and Modules.

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  1. In the Database Partition list, choose the Database Partition you want to analyze.
  2. In the Time Frame list, choose the period of time you want to analyze.
  3. In the Database Partition Details area, click Applications. For example, a SAP database, PS8 on hp8, is monitored by a SAP extension.
    The Application tab shows the following SAP-related top entities:
    - Background work type
    - SAP user SUPER
    - Transaction SAP_CCMS_MONI_BATCH_DP
    Most likely, these entities are related.
  4. To investigate further, click an entity to launch the Activity tab. In the Activity tab you can confirm the connection between the problematic entities. For this example, you can identify a background transaction run by the SAP CCMS administration tool.

 

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