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• Foglight for DB2 (Cartridge) 5.9.5.20
• Foglight for DB2 (Cartridge) 5.9.5.20 - User Guide

Foglight for DB2 (Cartridge) 5.9.5.20 - User Guide

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Introduction to Foglight for DB2 LUW

Upgrading to the Current Version Overview Running the Upgrade Wizard

Using Foglight for DB2 LUW

Viewing the Databases Dashboard

Assigning Instances to Users Selecting an Instance to Monitor

Filtering the Display by Severity Creating User-defined Database Groups Components Shared by All Foglight for DB2 LUW Screens Using the Currently Selected Database Group Table

Adding and Configuring Agents

Understanding the Foglight for DB2 LUW Architecture Configuring the On Demand Port on the Agent Manager Concentrator Configuring Foglight for DB2 LUW Monitoring Agents

Administering Foglight for DB2 LUW

Opening the Databases Administration Dashboard Reviewing the Administration Settings Adding or Editing OS Credentials

Using Existing Host Credentials as OS Credentials Creating or Editing OS Credentials

Defining Data Collection Options Customizing Alarms for Foglight for DB2 LUW Rules

Introducing the Alarms View Setting and Modifying Alarm Sensitivity Levels Modifying Alarm Settings Configuring Email Notifications Cloning Agent Settings Reviewing Rule Definitions

Adding User-defined Collections On-demand Data Port Database Connection Details

Setting credentials and instance properties

Diagnostic Log

Exploring DB2 Database Performance Metrics

Instance Homepage Database Homepage

Using the Database Homepage Toolbar Activity Panel Memory Panel Storage Panel Diagnostic Log Panel Initialization Parameters Panel

Member Overview Homepage Member (Real Time) Homepage

Reporting on Your DB2 Environment

About the Foglight for DB2 LUW Reports

Reference

Dashboards and Views

Databases Dashboard

Database Alarms Database Environment Tiles Databases Instances View Database Cue Card

Instance home page

How to Get Here Summary Memory Drill-down

Database home page

How to Get Here Summary SQL Performance Activity Drill-downs Memory Drill-downs Storage Drill-downs Tablespaces Tablespaces Buffer Pool Activities Log Drill-down Configuration Drill-down

Member Overview home page

How to Get Here Summary

Member (Real Time) home page

How to Get Here Summary

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

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Summary

This home page contains the following panes:

•	Workload Information

•	Storage Information

•	OS Performance Information

•	Availability Information

•	Cache Hit Ratio Information

•	HADR Information

Workload Information

The Workload pane displays the session activity and CPU usage information for the selected partition. It is at the upper left of the Partition (History) home page.

 

Description of the Pane

Data displayed for DB2 databases v9.7.0.1 and later	• Request Time Breakdown: • Baseline — A comparison of the average request time with the expected (according to the baseline) request time, plotted over the course of the selected time range. • Breakdown — the average request time by event category, plotted over the course of the selected time range.
	• CPU Wait Time. The average CPU wait time (in milliseconds), plotted over the course of the selected time range.
Data displayed for DB2 databases earlier than v9.7.0.1	• Average Active Sessions. A comparison of the average number of active sessions over the course of the selected time range with the average number of active sessions expected (according to the baseline).
	• CPU Usage. The percentage of CPU used by the partition, plotted over the course of the selected time range.
Where to go next	Mousing over a data point on either of the charts displays a pop-up that provides more detailed information about the data point. Clicking the Investigate using the “Top SQL” drilldown link takes you to the Top SQL pane for additional information.

Storage Information

The Storage pane displays the storage information for the selected partition. It is at the upper right of the Partition (History) home page.

 

Description of the Pane

Data displayed	• Storage Graph. The storage activity of the partition plotted over the course of the selected time range. The storage can be plotted as either: • Incremental change growth — incremental changes in partition growth (in MB/s) plotted over the course of the selected time range • Database size — the size of the database (in GB) plotted over the course of the selected time range
	• Avg. Consumption (MB/hour). The average storage space consumed (in MB/hour) over the course of the selected time range.
	• Total Allocated (MB). The total storage space allocated (in MB).
Where to go next	Mousing over a data point on the plot displays a pop-up that provides more detailed information about the data point. Clicking the Investigate using the “Table Space” drilldown link takes you to the Tablespaces pane for additional information.

OS Performance Information

The OS Performance pane displays the OS performance information for the selected partition. It is at the bottom left of the Partition (History) home page.

 

Description of the Pane

Data displayed	• Avg. CPU (%). The average CPU consumed, as a percentage of the total allocated, over the course of the selected time range.
	• Avg. Memory (%). The average memory consumed, as a percentage of the total allocated, over the course of the selected time range.
	• Disk Utilization (%). The disk utilization, as a percentage of the total allocated, over the course of the selected time range.
Where to go next	Clicking any of the three charts displays a pop-up that provides additional, related information. On the pop-up, clicking the Investigate using the “Host Monitor” drilldown link takes you to the Host Monitor dashboard for additional information.

Availability Information

The Availability pane displays the availability information for the selected partition. It is at the lower middle of the Partition (History) home page.

 

Description of the Pane

Data displayed	• Sessions. The availability of the active and inactive sessions plotted over the course of the selected time range.
	• Member Availability. The average availability of the partition over the course of the selected time range.
For DB2 databases v9.7.0.1 and later	• Average Request Time (ms). The average length of time (in ms) it took to process a single request, over the course of the selected time range.
For DB2 databases earlier than v9.7.0.1	• Transaction Rate. The number of transactions being processed per second.
Where to go next	Mousing over a data point on the Sessions chart displays a pop-up that provides more detailed information about the data point. Clicking anywhere on the Partition Availability chart displays a pop-up that provides additional, related information. Clicking the icon next to the Avg. Request Time or Transaction Rate metric displays a pop-up that provides additional, related information.

Cache Hit Ratio Information

The Cache Hit Ratio pane displays the cache hit ratio information for the selected partition. It is at the right of the Partition (History) home page.

 

Description of the Pane

Data displayed	• Total BP (%). The percentage of database page I/O requests that were satisfied using the buffer cache (and therefore the database did not have to perform disk reads), over the course of the selected time range.
	• Package (%). The number of times that a requested section was not available for use and had to be loaded into the package cache, as a percentage of the total number of times that a section was requested, over the course of the selected time range.
	• Catalog (%). The number of times that a table descriptor or authorization information was not found in the catalog cache and had to be inserted there, as a percentage of the total number of times that a table descriptor or authorization information was requested, over the course of the selected time range.
Where to go next	Clicking the icon next to any of the cache hit ratios displays a pop-up that provides additional, related information. Clicking the link at the bottom of any of the three pop-ups takes you to the corresponding dashboard for additional information.

HADR Information

If the database is configured for HADR, the HADR pane displays the associated HADR metrics for the partition. It is at the bottom right of the Partition (History) home page. For more information on these parameters, see HADR Activity Collection .

 

Description of the Pane

Data displayed	• Role. The HADR role of the database.
	• HADR Remote Host. The name of the HADR remote host.
	• HADR Remote Instance. The name of the HADR remote instance.
	• Log Gap. The size (in KB) of the gap between the primary log sequence number and the standby log sequence number.
	• HADR State. The HADR state of the database: • Disconnected • Performing local catch-up • Waiting to connect to its partner to perform remote catch-up • Performing remote catch-up • In a peer state
Where to go next	Clicking the icon next to a metric displays a pop-up with additional, related information.

Member (Real Time) home page

This home page provides metrics on the current state of the selected partition. It allows you to view how the partition is performing and any performance or bottleneck issues affecting the partition. Pop-ups provide additional information and graphs.

How to Get Here

How to Get Here

1	From the Database home page, click Whole Database and select the partition you want.

2	Click Summary and select Real Time.

From the Member (Real Time) home page, you can drill down to view additional metrics for the selected DB2 member or partition.

The following summary and drill-downs pages are provided:

•

Summary

•	SQL Performance (links to description under Database home page)

•	Activity Drill-downs (links to description under Database home page)

•	Memory Drill-downs (links to description under Database home page)

•	Storage Drill-downs (links to description under Database home page)

•	Log Drill-down (links to description under Database home page)

•	Configuration Drill-down (links to description under Database home page)

Summary

This home page contains the following panes:

•	Member Information

•

Sessions

•	Workload Information

•

HADR

•	Process Activity

•	Memory Activity

•	I/O Activity

•	Active Log

•	Disk Storage

Member Information

The Member Information pane displays member status and connection information, member CPU and memory information, and member alarms. It is at the upper left of the Member (Real Time) home page.

 

Description of the Pane

Data displayed	• Member. The identifying number for the partition.
	• DB path. The path of the partition.
	• Up since. The date and time the partition connected.
	• Status. The status of the partition.
	• Alarms. The alarms (due to partition irregularities) that are currently outstanding against the partition.
	• CPU (%). The total CPU consumption by processes running on the host (including any DB2 processes), and the total CPU consumption by the DB2 processes running on the host.
	• Memory (%). Total memory consumption by all processes running on the host (including DB2 processes), and the total memory consumption by the DB2 processes running on the host.
	• No. of CPUs. The number of CPUs allocated to the partition.
	• Total RAM. The total RAM allocated to the partition.
	• Free RAM. The total free RAM available for the partition.
Where to go next	Clicking the icon next to the Status displays a pop-up that provides additional, related information. Mousing over a data point on either of the CPU or Memory charts displays a pop-up that provides additional information about the data point. Clicking the CPU or Memory charts displays a pop-up that provides additional, related information. Mousing over or clicking an alarm count displays a pop-up that provides additional, alarm-related information.

Sessions

The Sessions pane displays the session distribution information for the selected partition. It is at the lower left of the Partition (Real Time) home page.

 

Description of the Pane

Data displayed	• Inactive or Active. The distribution of currently running inactive and active sessions.
	• Background or Foreground. The distribution of currently running background and foreground sessions.
	• Connections. The current number of active connections.
	• Received Volume. The number of KBs per second received by the server from clients.
	• Sent Volume. The number of KBs per second sent by the server to clients.
Where to go next	Clicking a chart displays a pop-up that provides additional, related information.

Workload Information

The Workload Information pane for DB2 databases v9.7.0.1 and later displays a Request Time Breakdown chart for the selected partition. The Workload Information pane for DB2 databases earlier than v9.7.0.1 displays an Average Active Sessions chart for the selected partition. The pane is located in the upper middle of the Partition (History) home page.

 

Description of the Pane

Data displayed for DB2 databases v9.7.0.1 and later	• Request Time Breakdown. The request time breakdown, for a particular partition criterion, plotted over the course of the selected time range. Click the arrow at the right of “Breakdown” to choose a different criterion from the list.
Data displayed for DB2 databases earlier than v9.7.0.1	• Average Active Sessions. A comparison of the average number of active sessions over the course of the selected time range with the average number of active sessions expected (according to the baseline).
Where to go next	Mousing over a data point on the chart displays a pop-up that provides more detailed information about the data point. Clicking the icon next to “Workload” takes you to the Current Agents pane. For more information, see Current Agents.

HADR

If the database is configured for HADR, the HADR pane displays the associated HADR metrics for the partition. It is located in the middle of the Partition (Real Time) home page.

 

Description of the Pane

Data displayed	• Role. The HADR role of the database.
	• HADR Remote Host. The name of the HADR remote host.
	• HADR Remote Instance. The name of the HADR remote instance.
	• Log Gap. The size (in KB) of the gap between the primary log sequence number and the standby log sequence number.
	• HADR State. The HADR state of the database: • Disconnected • Performing local catch-up • Waiting to connect to its partner to perform remote catch-up • Performing remote catch-up • In a peer state
Where to go next	Clicking the icon next to a metric displays a pop-up with additional, related information.

For more information on these parameters, see HADR Activity Collection .

Process Activity

The Process Activity pane displays agent and SQL information for the selected partition. It is at the lower middle of the Partition (Real Time) home page.

 

Description of the Pane

Data displayed	• Agents. The number of agents for the applications currently running in the partition.
	• Top Agents. The maximum number of agents for all applications running in the partition.
	• Transactions/s. The number of transactions involving the partition that were being carried out per second, during the last collection.
	• Select Stmt. The number of static SQL statements that were being run per second by the partition, during the last collection.
	• DDL Stmt. The number of data definition language (DDL) SQL statements that were being run per second by the partition, during the last collection.
Where to go next	Clicking the icon next to a metric displays a pop-up with additional, related information.

Memory Activity

The Memory Activity pane displays memory-related metrics for the selected partition. It is located in the middle of the Partition (Real Time) home page.

 

Description of the Pane

Data displayed	• Memory Total (MB). The total memory available for the partition.
	• Memory Used. The percentage of the total memory available that was used by the database partition during the last collection.
	• Buffer Pool Total (MB). The total buffer pool available for the partition.
	• Buffer Pool Hit Ratio. The percentage of database page I/O requests that are being satisfied using the buffer cache (and therefore the database does not have to perform disk reads).
	• Catalog Cache Total (MB). The total catalog cache available for the partition.
	• Catalog Cache Hit Ratio. The number of times that a table descriptor or authorization information was not found in the catalog cache and had to be inserted there. Calculated as a percentage of the total number of times that a table descriptor or authorization information was requested, over the course of the selected time range.
	• Package Cache Total (MB). The total package cache available for the partition.
	• Package Cache Hit Ratio. The number of times that a requested section was not available for use and had to be loaded into the package cache. Calculated as a percentage of the total number of times that a section was requested, over the course of the selected time range.
Where to go next	Clicking a chart displays a pop-up that provides additional, related information.

I/O Activity

The I/O activity for the selected partition is displayed in charts on either side of the Memory Activity pane.

 

Description

Data displayed	• Logical Reads. The number of logical read requests that were being processed per second by the partition, during the last collection.
	• Log I/O Reads. The number of logical I/O read requests that were being processed per second by the partition, during the last collection.
	• Log I/O Writes. The number of logical I/O write operations that were being run per second by the partition, during the last collection.
	• Async I/O Reads. The number of asynchronous I/O read requests that were being processed per second by the partition, during the last collection.
	• Async I/O Writes. The number of asynchronous I/O write operations that were being run per second by the partition, during the last collection.
	• Sync I/O Reads. The number of synchronous I/O read requests that were being processed per second by the partition, during the last collection.
	• Sync I/O Writes. The number of synchronous I/O write operations that were being run per second by the partition, during the last collection.
Where to go next	Clicking a chart displays a pop-up that provides additional, related information.

Active Log

The Active Log pane displays metrics for the selected partition’s active log. It is at the upper right of the Partition (Real Time) home page.

 

Description of the Pane

Data displayed	• Total Utilization. The total log space that is available to the partition and the log space that is still free to be used by the partition.
	• Log buffer full. The total number of times that agents, that copy log records into the log buffer, have had to wait for log data to be written to disk. This value is incremented once for each time an agent experiences such contention. If two agents are waiting at the same time, this value is incremented by two.
	• Secondaries. The total size of the secondary files (in KBs.)
	• Log to recovery. The size of the recovery log (in KBs).
	• Appl id oldest Xact. The ID of the application holding the oldest transaction.
Where to go next	Clicking the icon below the chart displays a pop-up with additional, related information.

Disk Storage

The Disk Storage pane displays the disk storage status for the selected partition. It is at the bottom right of the Partition (Real Time) home page.

 

Description of the Pane

Data displayed	• 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.
	• Auto Storage. The total file system space that is available for the partition to use to carry out auto storage tablespace operations, and the file system space that is still free for the partition to use to carry out auto storage tablespace operations.
	• Max TBSP Utilization. The maximum tablespace utilization of the system.
Where to go next	Clicking either of the charts displays a pop-up with additional, related information.

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