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Foglight for Oracle (Cartridge) 5.9.4.20 - User Guide

Inhaltsnavigation

Installing and Configuring Agents

Installing and Configuring Agents Upgrading to the Current Version Overview Running the Upgrade Wizard Migrating Agents

About Monitoring Extensions

Configuring the On Demand Port on the Agent Manager Concentrator

Installing and Monitoring a Single Oracle Instance Discovering Multiple Instances to Monitor

Loading a TNS file

Adding CRS Agents for Monitoring Clusterware

Adding Agents for Monitoring Exadata Environments

Modifying the Exadata Monitoring Settings

Adding Data Guard Environment Adding ASM Instances Configuring Multiple Instances for Monitoring using Silent Installation

Contents of the input CSV file for Oracle instances Configuring Multiple Instances for ASM Contents of the input CSV file for ASM instances

Using Foglight for Oracle

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 Oracle Screens Using the Currently Selected Database Group Table Viewing Data about the Exadata Cells

Foglight for Oracle Overview Dashboard

Breakdown and Baseline Chart Formats Home Page Toolbar

Overview view Advisories view SQL Performance Investigator (SQL PI)

Performance Tree Viewing Historical Metrics Blocking History Activity Highlights Viewing Change Tracking Viewing Execution Plans Comparing Performance

Oracle Activity Drilldown

Viewing the Foglight for Oracle Real-time Summary Page Reviewing Instance Usability Reviewing Cluster Usability Reviewing Locks Activity at the Cluster Level Reviewing Locks Activity at the Instance Level Locks Historical Tree Viewing Detailed Sessions Data Viewing Datafiles I/O Activity at the Cluster Level Viewing Datafiles I/O Activity at the Instance Level Viewing User-Defined Collections

Pluggable Databases Drilldown

Pluggable Databases List table Overview tab Activity within Instance/Cluster tab

Storage Drilldown

Tablespaces and Datafiles Panel Redo Logs Panel Members of Group [n] Table Fast Recovery Area Panel Archive Logs Panel Archive Log Destinations Table Invalid Objects Panel Database Backup Panel

Reviewing Configuration Settings

Reviewing SGA Settings at the RAC Level Reviewing SGA Settings at the Instance Level Reviewing the Initialization Parameters

Reviewing the Alert Log

Reviewing the Alert Log

Reviewing Monitored Data Guard Environments

Reviewing Summary Information Reviewing Performance Information Reviewing Log Shipping Status Information

Reviewing ASM Instances

Reviewing Summary Information Reviewing Parameter Information Reviewing Alert Log Information

Reviewing Exadata-related Information

Displaying Exadata-related Summarized Data Reviewing the Exadata Performance Reviewing the InfiniBand Topology

Administering Foglight for Oracle

Opening the Databases Administration Dashboard Reviewing the Administration Settings Defining Connection Details

Defining the Connection Settings for the Monitored Oracle Instances Validating Connectivity and Starting to Monitor the Instances Defining the Connection Settings for the Monitored ASM Instances

Defining Data Collection and Storage Options Customizing Alarms for Foglight for Oracle Rules

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

Defining Retention Policies Defining the Collection Settings

Locks Top SQL Statements Tablespace Filtering Invalid Objects Filtering

Configuring the Alert Log Filtering Panel Display Configuring the List of Listeners per Instance Configuring User-defined Collections Configuring the On-demand Data Port Changing the Monitoring Mode of the RAC One Node Agents Administering SQL Performance Investigator

Generating Reports for a Foglight for Oracle RAC or Instance Studying the Various Reports

Overview of Collections

Alert Log Archive Destination Miscellaneous Archive Logs Storage ASM Diskgroups ASM Diskgroups Balance ASM Disks ASM Instance Total ASM Operations Backup Config Backup Jobs Backup Type Status Cluster Latency Cluster Misses Datafile Fragmentation Datafile IO Activity Datafiles Storage Dataguard Destination Status Dataguard Redo Apply Dataguard Status Dump File Event Wait Exadata Cell Flashcache Exadata Cell General Exadata Cell InfiniBand Exadata Cell InfiniBand Ports Exadata Cell InfiniBand Switches Exadata Cell Statistics Exadata Cell General Filesystem Disk Flashback Area History Locks Tree Instance History Locks Tree RAC Host Properties Initialization Parameters Instance General Invalid Objects Invalid Objects List IO Activity Jobs Queue Latches Activity Locks Activity Locks Breakdown Locks Instance Locks Tree Locks Tree RAC OS and Instance Statistics OS File System IO Summary OS General Network Summary Parallel PGA Statistics Pluggable Databases Information Pluggable Databases State Redo Archive Performance Redo Instances Miscellaneous Redo Logs Member Storage Redo Log Storage Sessions Summary Servers Tablespaces Free Space Fragmentation Tablespaces Storage Top Blocked Objects Top Sessions Top SQLs Top SQLs Full Text Top SQLs Text Total Archive Storage Total Database Storage Total Instance Waits Undo Activity Total Summary Usability

Alarm Authentication Buffer Wait Calibration Cartridge Cluster Wait CPU Usage CPU Wait Cursors DataGuard DataFlow Deadlock Disk Transfer Time Disk Utilization DiskPerf Dispatcher Drilldown External Procedures Foglight Agent Manager Foglight Management Server Host Name Host Process I/O Wait Kernel Memory Kernel Mode Kill LRU LSN Latch Wait Licensing Lock Wait Logical Reads Metric Network Wait OLTP Other Wait Paging Panel Per-Seat Licensing Per Server Licensing Physical Reads PID Privileged Mode Process Random I/O Recompile Recursive Calls Referential Integrity Relational Data Engine SQL*Net Scattered Read Schema Locks Sequential Read Severity Spinner SQL *net Threshold Transaction Unused Space User Mode

Latches Activity

The Latches Activity collection collects latches activity-related data.

Collection Type

Collection Sampling Settings


Frequency Mode	Collection Interval (Seconds)
Realtime Collection	20
Online	60
Offline	300

Metric Descriptions


Metric	Description
Cache Buffer Chain Latch	This latch is acquired whenever a block in the buffer cache is accessed (pinned)
Cache Buffer LRU Chain Latch	This latch is acquired in order to introduce a new block into the buffer cache and when writing a buffer back to disk, specifically when trying to scan the LRU chain that contains all of the dirty blocks in the buffer cache
Latch Free Waits	Number of waits for a latch that is currently busy (held by another process)
Library Cache Latch	This latch is acquired in order to add a new statement to the library cache. During a parse, Oracle searches the library cache for a matching statement. If one is not found, then Oracle will parse the SQL statement, obtain the library cache latch and insert the new SQL.
Library Cache Pin Latch	This latch is acquired when a statement in the library cache is re-executed
Redo Allocation Latch	This latch is acquired in order to allocate space within the redo log buffer. There is one redo allocation latch per instance.
Redo Copy Latch	This latch is acquired in order to write redo records into the redo log buffer. There may be up to LOG_SIMULTANEOUS_COPIES allocation latches.
Shared Pool Latch	This Latch is acquired when allocating and freeing memory in the shared pool
Total Active Time	Total amount of time waited for the event (in seconds)

Locks Activity

The Locks Activity collection provides locks activity-related data.

Collection Type

Collection Sampling Settings


Frequency Mode	Collection Interval (Seconds)
Realtime Collection	60
Online	60
Offline	300

Metric Descriptions


Metric	Description
Average Lock Duration	The average time (in milliseconds) that a resource was locked (held in contention). High values of lock duration may indicate aggressive lock incidence which may be improved through tuning. The metric is calculated as follows: 100 * (Lock Wait) Enqueue Waits
Enqueue Waits	The total number of times an enqueue request or conversion resulted in a wait.
Enqueue Waits Ratio	The percentage of enqueue wait events (waits resulting from enqueue requests or conversions) within the total time consumed by enqueue operations.
Gets	The total number of enqueue requests or enqueue conversions for this type of enqueue.
Gets Pct	The percentage of lock requests of this type within the total number of lock requests
Lock Efficiency	The percentage of lock requests that did not escalate to a blocking lock.
Lock Name	The name of the lock.
Lock Wait	The total amount of time spent waiting for the enqueue or enqueue conversion.
Waits Pct	The percentage of waits for this type of lock, of all the locks.

Locks Breakdown

The Locks Breakdown collection provides lock requests and wait information, including the percentage of time spent on locks of the following types: system, TX, TM, User-defined.

Collection Type

Collection Sampling Settings


Frequency Mode	Collection Interval (Seconds)
Realtime Collection	60
Online	60
Offline	300

Metric Descriptions


Metric	Description
PDB	In multitenant architectures, the name of the pluggable database.
System Locks Percentage	The percentage of time the sessions spent waiting on System locks, out of the entire time spent waiting on locks.
System Locks Wait Time	The percentage of time the sessions spent waiting on System locks.
TM Locks Wait Time	The amount of time the sessions spent waiting on TM locks.
TM Percentage	The percentage of time the sessions spent waiting on TM locks, out of the entire time spent waiting on locks.
Total Lock Wait	The total time the sessions spent waiting on locks.
TX Locks Wait Time	The amount of time the sessions spent waiting on TX locks.
TX Percentage	The percentage of time the sessions spent waiting on TX locks, out of the entire time spent waiting on locks.
UL Locks Wait Time	The amount of time the sessions spent waiting on user-defined lock types.
UL Percentage	The percentage of time the sessions spent waiting on user-defined locks, out of the entire time spent waiting on locks.

Locks Instance

The Locks Instance collection provides summarized lock requests and application efficiency information.

Collection Type

Collection Sampling Settings


Frequency Mode	Collection Interval (Seconds)
Realtime Collection	60
Online	60
Offline	300

Metric Descriptions


Metric	Description
Balance Enqueue Waits	The extent, in percents, to which enqueue wait events are balanced across RAC nodes
Balance Lock Efficiency	The extent, in percents, to which lock efficiency is balanced across RAC nodes
Balance Lock Wait	The extent, in percents, to which lock wait events are balanced across RAC nodes
Enqueue Waits	Total number of waits on enqueues
Lock Efficiency	The percentage of total locks waits within the total lock requests

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