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START_REPLAY Procedure → This procedure starts the workload replay. All the external replay clients (WRC) that are currently … connected to the replay database will automatically be notified, and those replay clients (WRC … was already issued. A sufficient number of external replay clients (WRC) that can faithfully replay … that might be required to faithfully
Security Model → replay client user (wrc someuser / somepassword or wrc USER=someuser PASSWORD=somepassword ) DROP … . The replay client is a multithreaded program (an executable named wrc located in the $ORACLE_HOME/bin … replay must be able to execute wrc on hosts that are used for the replay clients and be able to
START_CONSOLIDATED_REPLAY Procedure → clients (WRC) that can faithfully replay the captured workload already started. The status of such
CANCEL_REPLAY Procedure → This procedure cancels workload replay in progress. All the external replay clients (WRC) will
Security Model → replay client user (wrc someuser / somepassword or wrc USER=someuser PASSWORD=somepassword ) DROP … instance is running. Additionally, the OS user performing the replay should be able to execute wrc on
CALIBRATE Function → , which can be run as follows. $ wrc mode=calibrate replaydir=
REMAP_CONNECTION Procedure → and the user does not call the REMAP_CONNECTION Procedure, then the wrc executable will connect to
Supported Metrics → Usage (%) % of maximum value WCR_AVG_IO_LAT Average IO response time (for a WRC client) Milliseconds … WCR_PCPU Percentage of replay threads on CPU (for a WRC client) % of total replay threads WCR_PIO … Percentage of replay threads doing IOs (for a WRC client) % of total replay threads
PREPARE_REPLAY Procedure → more external replay clients (WRC) can be started once the PREPARE_REPLAY procedure has been executed
11.1.8 Setting Up Replay Clients → The replay client is a multithreaded program (an executable named wrc located in the $ORACLE_HOME … the replay clients using the wrc executable. The wrc executable uses the following syntax: wrc [user … mode specifies the mode in which to run the wrc executable. Possible values include replay (the
To perform time shifting in this scenario: → : Estimate the number of replay clients that are required: wrc mode=calibrate replaydir=/u01/test … /cons_dir/cap_sales wrc mode=calibrate replaydir=/u01/test/cons_dir/cap_crm wrc mode=calibrate replaydir … workload. Start the required number of replay clients by repeating this command: wrc username/password
To perform workload folding in this scenario: → : wrc mode=calibrate replaydir=/u01/test/cons_dir/cap_monday_2am_8am wrc mode=calibrate replaydir=/u01 … /test/cons_dir/cap_monday_8am_2pm wrc mode=calibrate replaydir=/u01/test/cons_dir/cap_monday_2pm_8pm … number of replay clients by repeating this command: wrc username/password mode=replay replaydir=/u01
13.5.3 Using Schema Remapping → clients: Estimate the number of replay clients that are required: wrc mode=calibrate replaydir=/u01 … . Start the required number of replay clients by repeating this command: wrc username/password mode