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Database Concepts, 11g Release 2 (11.2)

Topics for Database Administrators and Developers

MonitoringOracle Database provides multiple tools and techniques for monitoring user activity. Database … Auditing Database auditing is the monitoring and recording of selected user database actions. You can use … their accountability Investigating, monitoring, and recording suspicious activity Addressing auditing … network with detailed

Database Administrator's Guide, 11g Release 2 (11.2)

Monitoring Database Operations

Monitoring LocksMonitoring Data Dictionary Views\" Oracle Database Concepts contains more information about locks.

Database Administrator's Guide, 11g Release 2 (11.2)

Monitoring Database Operations

Monitoring PerformanceMonitoring database performance is covered in detail in Oracle Database Performance Tuning Guide … . Here are some additional topics with details that are not covered in that guide: Monitoring Locks … Monitoring Wait Events Performance Monitoring Data Dictionary Views

Database Administrator's Guide, 11g Release 2 (11.2)

Scheduling Jobs with Oracle Scheduler

Monitoring JobsMonitoring Jobs There are several ways to monitor Scheduler jobs: Viewing the job log The job log … See \"Monitoring Job State with Events Raised by the Scheduler\" Configuring jobs to send e-mail … notifications upon a state change See \"Monitoring Job State with E-mail Notifications\"

Automatic Storage Management Administrator's Guide, 11g Release 2 (11.2)

Administering Oracle ASM with Oracle Enterprise Manager

Monitoring Disk Group UsagePerform the following procedures to monitor disk group usage: To view Oracle ASM disk group usage and free space: Access the Oracle Automatic Storage Management Home page. See Also: \"Oracle Automatic Storage Management Home Page\" for instructions about how to access the home page Click the Disk Groups link to view the Disk Groups property page. If the Oracle ASM Login page appears, then log in as

Automatic Storage Management Administrator's Guide, 11g Release 2 (11.2)

Administering Oracle ASM with Oracle Enterprise Manager

Monitoring General Oracle ASM PerformanceYou can monitor Oracle ASM performance with the Oracle Enterprise Manager Performance page, shown in Figure 9-15. Figure 9-15 Oracle Automatic Storage Management Performance Page Description of \"Figure 9-15 Oracle Automatic Storage Management Performance Page\" To monitor Oracle ASM performance: Access the Oracle Automatic Storage Management Home page. See Also: \"Oracle Automatic Storage Management

Database Administrator's Guide, 11g Release 2 (11.2)

Monitoring Database Operations

8 Monitoring Database Operationsyou recognize when something is wrong. In this chapter: Monitoring Errors and Alerts Monitoring Performance

Database Administrator's Guide, 11g Release 2 (11.2)

Monitoring Database Operations

Monitoring Wait EventsWait events are statistics that are incremented by a server process to indicate that it had to wait for an event to complete before being able to continue processing. A session could wait for a variety of reasons, including waiting for more input, waiting for the operating system to complete a service such as a disk write, or it could wait for a lock or latch. When a session is waiting for resources,

Database Administrator's Guide, 11g Release 2 (11.2)

Monitoring Database Operations

Monitoring Errors and Alertstopics: Monitoring Errors with Trace Files and the Alert Log Monitoring Database Operations with … monitoring, using data dictionary views, PL/SQL packages, and other command-line facilities.

Database Administrator's Guide, 11g Release 2 (11.2)

Scheduling Jobs with Oracle Scheduler

Monitoring Multiple Destination Jobscontents of the job monitoring views for multiple-destination jobs. Table 29-12 Scheduler Data

Database Administrator's Guide, 11g Release 2 (11.2)

Managing Indexes

Monitoring Index UsageOracle Database provides a means of monitoring indexes to determine whether they are being used. If … start monitoring the usage of an index, issue this statement: ALTER INDEX index MONITORING USAGE … ; Later, issue the following statement to stop the monitoring: ALTER INDEX index NOMONITORING USAGE; The … monitoring

Database Administrator's Guide, 11g Release 2 (11.2)

Scheduling Jobs with Oracle Scheduler

Monitoring Running ChainsMonito ring Running Chains You can view the status of running chains with the following two views: *_SCHEDULER_RUNNING_JOBS *_SCHEDULER_RUNNING_CHAINS The *_SCHEDULER_RUNNING_JOBS views contain one row for the chain job and one row for each running step. The *_SCHEDULER_RUNNING_CHAINS views contain one row for each chain step (including any nested chains) and include run status for each step ( NOT_STARTED,

Database Administrator's Guide, 11g Release 2 (11.2)

Managing Resources with Oracle Database Resource Manager

Monitoring Oracle Database Resource ManagerUse the following dynamic performance views to help you monitor the results of your Oracle Database Resource Manager settings: V$RSRC_PLAN V$RSRC_CONSUMER_GROUP V$RSRC_SESSION_INFO V$RSRC_PLAN_HISTORY V$RSRC_CONS_GROUP_HISTORY V$RSRCMGRMETRIC V$RSRCMGRMETRIC_HISTORY These views provide: Current status information History of resource plan activations Current and historical statistics on resource consumption

Database Administrator's Guide, 11g Release 2 (11.2)

Administering Oracle Scheduler

Monitoring and Managing the SchedulerMonitoring and Mana ging the Scheduler The following sections discuss how to monitor and manage the … Currently Running Jobs Monitoring and Managing Window and Job Logs Managing Scheduler Security

Database Administrator's Guide, 11g Release 2 (11.2)

Managing Indexes

Monitoring Space Use of IndexesIf key values in an index are inserted, updated, and deleted frequently, the index can lose its acquired space efficiency over time. Monitor index efficiency of space usage at regular intervals by first analyzing the index structure, using the ANALYZE INDEX...VALIDATE STRUCTURE statement, and then querying the INDEX_STATS view: SELECT PCT_USED FROM INDEX_STATS WHERE NAME = 'index'; The percentage

Database Administrator's Guide, 11g Release 2 (11.2)

Monitoring Database Operations

Performance Monitoring Data Dictionary ViewsThis section lists some of the data dictionary views that you can use to monitor an Oracle Database instance. These views are general in their scope. Other views, more specific to a process, are discussed in the section of this book where the process is described. View Description V$LOCK Lists the locks currently held by Oracle Database and outstanding requests for a lock or latch DBA_BLOCKERS Displays

Automatic Storage Management Administrator's Guide, 11g Release 2 (11.2)

Administering Oracle ASM with Oracle Enterprise Manager

Monitoring Oracle ASM Performance with Oracle Enterprise Managertasks: Monitoring General Oracle ASM Performance Checking Disk Group Integrity

Database Backup and Recovery User's Guide, 11g Release 2 (11.2)

Performing Flashback and Database Point-in-Time Recovery

Monitoring Flashback DatabaseWhen you use Flashback Database to rewind a database to a past target time, Flashback Database determines which blocks changed after the target time and restores them from the flashback logs. This is called the restore phase. After this phase completes, Flashback Database then uses redo logs to reapply changes that were made after these blocks were written to the flashback logs. This is called the

Database Performance Tuning Guide, 11g Release 2 (11.2)

Instance Tuning Using Performance Views

10.4.1 SQL Plan MonitoringReal-time SQL monitoring also includes monitoring statistics for each operation in the execution

Database Performance Tuning Guide, 11g Release 2 (11.2)

Instance Tuning Using Performance Views

10.4.2 Parallel Execution Monitoringbegins. The V$SQL_MONITOR and V$SQL_PLAN_MONITOR views records monitoring information for each