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Foglight for DB2 (Cartridge) 5.9.5.20 - User Guide

Introduction to Foglight for DB2 LUW Using Foglight for DB2 LUW Reference
Dashboards and Views Collections and Metrics
CF Locks Collection CF Memory Pools Collection CF Resource Usage Collection Current Agents Details Collection Agents Summary Collection Current Locks Wait Collection Database Bufferpools Summary PS Collection Database Configuration Collection Database Tablespaces Collection Database Tablespaces Summary Collection Database Usability Collection Database Parameters Collection Database Instance Parameters Collection Database Instance Registry Variables Collection Database Tablespaces BP Collection FCM Activity Collection FS DB Storage Collection FS DB Storage Summary Collection FS Instance Storage Collection FS Storage Collection FS Storage Summary Collection General Activity Collection HADR Activity Collection Host Properties Collection OS General Collection Instance Activity Collection Instance General Collection Instance Nodes Collection Instance Usability Collection IO Activity Collection License Details Collection Log Activity Collection Log File Collection Log Message Collection Messages Count Collection Monitor Switches Collection OS DB2 General Process Collection Partition Tablespaces Summary Collection Partition Usability Collection pureScale Alerts Collection Top SQLs Collection Query Agents Details Collection Database Partition Activity Collection DB2 Partition Subcategories Wait Collection History Locks Wait Collection History Locks Summary Collection Instance Memory Collection Instance Memory Pool Collection Instance Memory Summary Collection Instance Memory Total Collection Database Memory Collection Database Memory Pool Collection Database Memory Pool DB Collection Database Memory Summary Collection Database Memory Total Collection Database Buffer Pools Collection Database Tables Collection Database Partition Backup Collection Database Tables Global Collection Database Applications Collection

How to Get Here

To open the Instance home page, from the Databases dashboard, find the instance you want to explore and click the instance name (or click and select Overview). The Databases > Overview dashboard opens with a summary of the selected instance.

From here, you can drill down to metrics on memory allocation and perform configuration tasks.

The following summary and drill-downs pages are provided:

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Summary
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Memory Drill-down
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Log Drill-down
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Configuration Drill-down (links to description under Database home page)

Summary

By default, the Summary page view is displayed on the Instance home page. The Summary page contains the following embedded panes:

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Status
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Storage
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Agents
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FCM | pureScale CF
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Reports
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History
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Alarms
Status

The Status pane displays metrics that provide an overview of the current state of the DB2 instance. It is at the top of the Instance home page.

 
Description of the pane
Data displayed
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Sessions (no.). The total number of active and inactive sessions within the instance.

 
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CPU (%). Total is the average CPU usage of all the underlying hosts on which the instance resides. DB2 is the total CPU usage by all DB2 processes running on the host.

 
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Memory (%). Total is the average memory usage of all the underlying hosts on which the instance resides. DB2 is the total memory usage by all DB2 processes running on the host.

 
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Instance Information. The configuration information for the instance (including the product version and whether the product is licensed). Click the icon for the configuration information.

 
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Active Databases. The total number of local databases within the instance that have applications connected.

 
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Active Members. The total number of active members within the instance.

 
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Up since. The date and time the instance was started.

 
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Status. Whether the instance is active.

 
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Availability. The current availability of the instance.

 
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pureScale only — Active Members. Number of nodes in the pureScale environment.

 
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pureScale only — Active CF. Displays information about configured CF nodes and their states.

 
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pureScale only — pureScale Alerts. Total number of alerts DB2 reported on the pureScale environment.
Where to go next
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Clicking a data point on any of the three charts displays a pop-up that provides additional, related information.
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Clicking the icon next to the Active Databases or Active Members metric displays a pop-up that provides additional information.
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Clicking the icon next to the Availability metric displays a pop-up that provides additional, related information.
Storage

The Storage pane provides current storage information for the entire instance. It is at the left of the Instance home page.

 
Description of the pane
Data displayed

 
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Fixed storage. The total disk space that is available for use by fixed-size tablespaces and the disk space that is still free to be used by fixed-size tablespaces.

 
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Auto storage. The total file system space that is available for the instance to use to carry out auto storage tablespace operations. Also, the file system space that is still free for the instance to use to carry out auto storage tablespace operations.
Where to go next

Clicking the icon below either of the charts displays a pop-up that provides additional, related information.

Agents

The Agents pane provides registered and stolen agents information for the entire instance. It is located in the middle of the Instance home page.

 
Description of the pane
Data displayed

 
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Agents Registered. Displays the current agents registered to the instance, and the average agents registered to the instance over the course of the selected time range.

 
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Agents Stolen. Displays the current agents stolen from the instance, and the average agents stolen from the instance over the course of the selected time range.
Where to go next

Clicking the icon next to either of the metrics displays a pop-up that provides additional, related information.

FCM | pureScale CF

The FCM pane displays FCM metrics for a partitioned instance. It is at the left and in the middle of the Instance home page.

 
Description of the pane — FCM
Data displayed

 
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FCM Sent (page/s). The total number of FCM buffer pages sent from the current node to the remote node, over the course of the selected time range.

 
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FCM Received (page/s). The total number of FCM buffer pages received by the current node from the remote node, over the course of the selected time range.
Where to go next

Clicking the icon next to either of the metrics displays a pop-up that provides additional, related information.

When an instance is hosted in a DB2 pureScale environment, you can click the pureScale CF link to see metrics about the cluster cache facility (CF).

 
Description of the pane — pureScale CF
Data displayed
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Current Primary ID. The ID of the CF component.

 
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CPU Usage. Percentage of overall CPU usage on the CF machine.

 
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Current Host. The current host of the selected DB2 instance. In a pureScale environment, the host can change depending on load.

 
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Memory Utilization. Percentage of overall memory usage on the CF component.
Where to go next

Clicking the icon next to either of the metrics displays a pop-up that provides additional, related information.

Reports

The Reports pane provides access to the Executive Workload Summary Report, which is a workload overview of the instance and of each database. It is at the bottom left of the Instance home page.

Click the Executive Summary Report link to access the report.

History

The History pane displays the instance activity over the course of the selected time range. It is at the upper right of the Instance home page.

 
Description of the pane
Data displayed
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Top Database Workload. The top three (if available) database workloads, over the course of the selected time range.

 
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Top Database Request Time. The top three (if available) database total request times and wait request times, over the course of the selected time range.
Where to go next
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Clicking a data point on the “Top Database Workload” chart displays a pop-up that provides more detailed information about the data point.
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Clicking a data point on a “Top Database Request Time” chart displays a pop-up that provides additional, related information.
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Clicking the link below any of the “Top Database Request Time” charts takes you to the corresponding Database home page.
Alarms

The Alarms pane displays the total number of fatal, critical, and warning alarms that are currently outstanding against the instance. It is at the lower right of the Instance home page.

 
Description of the pane

Data displayed
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Fatal. The total number of fatal alarms that are currently outstanding against the instance.

 
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Critical. The total number of critical alarms that are currently outstanding against the instance.

 
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Warning. The total number of warning alarms that are currently outstanding against the instance.
Where to go next

Clicking either of the three numbers opens the Outstanding Alarm(s) dialog box, which provides a list of the outstanding alarms and a brief description of each.

Clicking any of the rows in the Outstanding Alarm dialog box opens the Alarm dialog box, which provides detailed information about the associated alarm.

Memory Drill-down

The Memory view provides metrics on how the databases in the instance use memory.

How to Get Here

On the Instance home page, click Memory.

This home page contains the following embedded views:

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DB Memory and Pool Breakdown
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Instance Manager tab
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Databases tab
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Primary CF tab (pureScale only)
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Backup CF tab (pureScale only)
DB Memory and Pool Breakdown

Shows how the total memory available for the instance is allocated to the database and CF pools.

 
Description of the Pane
Data displayed
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DB Memory. Displays the total memory allocated to the selected instance and its databases in a stacking area chart. For pureScale environments, also shows primary and backup CF allocations.
 
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Pool Breakdown. Displays the total memory allocated to the selected instance and its databases as a pie chart. For pureScale environments, also shows primary and backup CF allocations.
Instance Manager tab

Shows where the instance gets its memory.

 
Description of the Pane
Data displayed — Charts
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Instance Manager Memory. Displays the total memory available to the instance.
 
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Pool Allocated Size. Displays the pools that contribute to the memory for the instance as a stacking area chart.
 
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Instance Manager Breakdown. Displays the pools that contribute to the memory for the instance as a pie chart.
Data displayed — Table
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Pool Name. The name of the memory pool.
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Utilization %. The percentage of configured allocated memory that is in use.
 
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Allocation. The average allocated size (in KB) of a memory pool.
 
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Config Size. The internally configured size (in KB) of a memory pool in the DB2 database system.
 
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Alarm. The alarm count and state of the memory pool. Click an alarm count to view information about the alarm on the Outstanding Alarms dialog box. For complete information about alarms in Foglight, see the Foglight User Help.
Databases tab

Shows memory utilization by database.

 
Description of the Pane
Data displayed — Charts
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Databases Memory. Displays the total memory allocated to the databases in the instance as a stacking area chart.
 
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Databases Breakdown. Displays the total memory allocated to the databases in the instance as a pie chart.
Data displayed — Table
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Name. The name of the databases in the selected instance.
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Utilization %. The percentage of configured allocated memory that is in use.
 
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Allocation. The average allocated size (in KB) of memory allocated to the database.
 
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Config Size. The internally configured size (in KB) of memory allocated to the database.
 
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Alarm. The alarm count and state of the database. Click an alarm count to view information about the alarm on the Outstanding Alarms dialog box. For complete information about alarms in Foglight, see the Foglight User Help.
Primary CF tab

Displayed for pureScale environments only. Shows how the CF memory is allocated.

 
Description of the Pane
Data displayed — Charts
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Primary CF Memory. Displays the total cluster cache facility (CF) memory available to the instance and a breakdown of how the cache is allocated for locks, GBP, SCA, and other.
 
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CF Pool Allocation Breakdown. Displays a breakdown of how the CF pool is allocated for locks, GBP, SCA, and other as a pie chart.
Data displayed — Table
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Pool Name. The name of the buffer pools in the CF component.
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Utilization %. The percentage of configured allocated memory that is in use.
 
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Allocation. The average allocated size (in KB) of a buffer pool.
 
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Config Size. The internally configured size (in KB) of a buffer pool in the DB2 database system.
 
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Alarm. The alarm count and state of the buffer pool. Click an alarm count to view information about the alarm on the Outstanding Alarms dialog box. For complete information about alarms in Foglight, see the Foglight User Help.
Backup CF tab

Displayed for pureScale environments only. Contains the same information as the Primary CF tab, but the monitoring data represents the backup cluster cache facility.

Database home page

The DB2 Database home page provides information on the status of the entire DB2 database, over the course of the selected time range.

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