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Database New Features Guide, 11g Release 2 (11.2)

Oracle Database 11g Release 2 (11.2.0.2) New Features

3.1.4 Database ReplayThe following sections provide information on new Database Replay features for 11.2.0.2.

Database Reference, 11g Release 2 (11.2)

Descriptions of Wait Events

WCR: replay lock orderA session will wait on this event during replay if it saw some lock contention during capture. Wait … wait for scn's hi 4 bytes High 4 bytes of the 8-byte replay SCN that the session is waiting on wait … for scn's lo 4 bytes Low 4 bytes of the 8-byte replay SCN that the session is waiting on

Database Reference, 11g Release 2 (11.2)

Descriptions of Wait Events

WCR: replay clockA session will wait on this event during replay if it has some logical dependencies on another … replay SCN that the session is waiting on wait for scn's lo 4 bytes Low 4 bytes of the 8-byte replay SCN that the session is waiting on

Database Reference, 11g Release 2 (11.2)

Descriptions of Wait Events

WCR: replay client notifyDuring replay, the Workload Replay Client always keeps an open connection to the database to detect … some special errors. This session will normally be in the wait state until some specific replay … () to be issued. 2 - waiting for the replay to run to completion or REPLAY.CANCEL() to be issued.

Database Reference, 11g Release 2 (11.2)

Descriptions of Wait Events

WCR: replay pausedwaiting on this wait event until replay is resumed. Parameters: None

Database New Features Guide, 11g Release 2 (11.2)

Oracle Database 11g Release 2 (11.2.0.4) New Features

1.4 Database Replay Support for Database ConsolidationDatabase Replay now supports simultaneous execution of multiple database captures on a single … consolidated database. Consolidated database replay supports scheduling of the individual replays … peak utilizations at the same time). Consolidated replay provides the ability to test database

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Database Replay

Database ReplayPart II Database Replay Database Replay enables you to replay a full production workload on a test … system to assess the overall impact of system changes. Part II covers Database Replay and contains … the following chapters: Chapter 8, \"Introduction to Database Replay\" Chapter 9, \"Capturing a

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

13.2.1 Capturing Database Workloads for Consolidated Database ReplayConsolidated Database Replay does not require any special steps for capturing database workloads … for Database Replay, as described in Chapter 9, \"Capturing a Database Workload\". This section … contains the following topics for workload captures that are specific to Consolidated Database Replay … Consolidated Database Replay

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

13.2.4 Replaying Database Workloads for Consolidated Database ReplayReplaying consolidated workloads using Consolidated Database Replay is quite different from … replaying a single database workload using Database Replay. This section contains the following topics for … replaying workloads that are specific to Consolidated Database Replay: Defining Replay Schedules … Remapping

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

13.4.2 Setting the Replay Directory Using APIsThis section describes how to set the replay directory on the test system using the … DBMS_WORKLOAD_REPLAY package. Set the replay directory to a directory on the test system that contains the workload … captures to be replayed. For information about setting up the test system, see \"Setting Up the Test System for Consolidated Database Replay\".

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

13.5.1 Using Time ShiftingThis section describes how to use time shifting with Consolidated Database Replay, and assumes a … applications and replay them simultaneously. The scenario demonstrates how to use time shifting for … performed by adding a delay of one hour to the CRM workload and a delay of 30 minutes to the DW workload during replay.

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

To perform workload folding in this scenario: On the replay system where you plan to perform scale-up testing, create a directory object for the … ('CAP_MON_8AM_2PM'); EXEC DBMS_WORKLOAD_REPLAY.PROCESS_CAPTURE ('CAP_MON_2PM_8PM'); Set the replay … a replay schedule and add the capture subsets: EXEC DBMS_WORKLOAD_REPLAY.BEGIN_REPLAY_SCHEDULE … consolidated replay:

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

13.1.2 Workload Scale-Up TechniquesWorkload Folding About Schema Remapping 13.1.2.1 About Time Shifting Database Replay enables you to … workload captures and replay them together using Consolidated Database Replay. See Also: \"Stress Testing … \" for information about using Consolidated Database Replay for stress testing \"Using Time Shifting

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

13.2.5 Reporting and Analysis for Consolidated Database ReplayReporting and analysis for Consolidated Database Replay is performed using the replay compare … period report, as described in \"Using Compare Period Reports\". The replay compare period report for … Consolidated Database Replay identifies the Active Session History (ASH) data for each individual … consolidated

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

To view replay schedules: Use the DBA_WORKLOAD_REPLAY_SCHEDULES view. See Also: Oracle Database PL/SQL Packages and Types Reference for information about the END_REPLAY_SCHEDULE procedure Oracle Database Reference for information about the DBA_WORKLOAD_REPLAY_SCHEDULES view

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

13.2.3 Preprocessing Database Workloads for Consolidated Database ReplayFigure 13-1 Setting Up the Test System for Consolidated Database Replay Description of \"Figure 13 … -1 Setting Up the Test System for Consolidated Database Replay\" See Also: \"Setting the Replay … Directory Using APIs\" 13.2.3 Preprocessing Database Workloads for Consolidated Database Replay … Preprocessing

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

13.3 Using Consolidated Database Replay with Enterprise ManagerFigure 13-2 Compare Period Report: Consolidated Replay Description of \"Figure 13-2 Compare Period … Report: Consolidated Replay\" The rest of the sections in the report resemble the ASH Data … Comparison section of the replay compare period report and are formed by joining all Capture vs. Replay … reports in

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

To set the replay directory: 13-2 shows how to set the replay directory to a directory object named rep_dir. Example 13-2 … Setting the Replay Directory EXEC DBMS_WORKLOAD_REPLAY.SET_REPLAY_DIRECTORY ('rep_dir'); You can also use … the DBMS_WORKLOAD_REPLAY package to view the current replay directory that has been set by the SET_REPLAY_DIRECTORY procedure.

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Using Consolidated Database Replay

To add workload captures to a replay schedule: an unique identifier that identifies the workload capture in this replay schedule. Set the … top-level replay directory. The directory must contain a valid workload capture that is preprocessed … on a system running the same database version as the replay system. Set the other parameters, which … replay schedule

Database Real Application Testing User's Guide, 11g Release 2 (11.2)

Introduction to Database Replay

8.1 Workload CaptureFigure 8-1 Database Replay Workflow Description of \"Figure 8-1 Database Replay Workflow\" On the … \". On the test system, replay the preprocessed files, as described in \"Workload Replay\". Using … the reports generated by Database Replay, perform detailed analysis of both the workload capture and