What is Bounded Recovery?

What is Bounded Recovery?

Bounded Recovery is a component of the general Extract checkpointing facility. It guarantees an efficient recovery after Extract stops for any reason, planned or unplanned, no matter how many open (uncommitted) transactions there were at the time that Extract stopped, nor how old they were.

What is Br in Oracle?

Description. Use the BR parameter to control the Bounded Recovery (BR) feature. This feature currently supports Oracle databases. Bounded Recovery is a component of the general Extract checkpointing facility.

What is recovery checkpoint in GoldenGate?

The current checkpoint is the position where all the committed transaction data are written to the trail file. The recovery checkpoint is the position when the oldest open transaction starts.

How do I start the GoldenGate extract process?

Use START EXTRACT to start the Extract process. To confirm that Extract has started, use the INFO EXTRACT or STATUS EXTRACT command. Extract can be started at its normal start point (from initial or current checkpoints) or from an alternate, user-specified position in the data source.

Where can I find Chr 10 in Oracle?

SELECT id FROM table_name WHERE field_name LIKE ‘%’||CHR(10)||’%’ ; ( || is the concatenation operator; CHR(10) is the tenth ASCII character, i.e. a newline.)

How do I check my Golden Gate alert log?

To view the error log, use any of the following:

  1. Standard shell command to view the ggserr. log file within the root Oracle GoldenGate directory.
  2. Oracle GoldenGate Director or Oracle GoldenGate Monitor.
  3. VIEW GGSEVT command in GGSCI. See Oracle GoldenGate Commands.

What is RBA in Golden Gate?

What is the RBA? From reading Oracle’s GoldenGate documentation, the RBA is mostly a marker within the trail file to identify the location of the transaction. This got me to thinking; maybe I can use the RBA to “estimate” the amount of data applied to the source over a period of time (compare 2 RBAs).

What will be the current checkpoint in case of extract process?

The current checkpoint is the position of the last record read by Extract in the data source.

How do I know if Golden Gate is running?

Start the manager as well as the configured extract and the replicat processes using the ggsci utility. Check if the instance goes online. Repeat this until all processes show the status as RUNNING. Stop the Oracle GoldenGate instance using the ggsci utility.

What does Chr 10 mean in Oracle?


Control character Value
Carriage return CHR(13)
Line feed CHR(10)
Tab CHR(9)

How do I start GG manager?

Start the GoldenGate Manager

  1. At a command prompt, create the parameter file. GGSCI> EDIT PARAMS MGR.
  2. If you are prompted to create a new file. mgr.prm. , click.
  3. In the file, add. PORT. port_number.
  4. Start the GoldenGate Manager. GGSCI> START MGR.
  5. Verify the port used by the GoldenGate Manager. GGSCI> INFO MGR.

How do I read GG trail files?

Opening a Trail File: To open a trail file and read its content, specify the trail file at the logdump prompt. Trail files are usually found in the GoldenGate dirdat directory. You can also determine the current trail file directory/name by running the “INFO process_name” command at the ggsci prompt.

How do you verify Golden Gate replication?

Verify databases are enabled for GoldenGate replication – Intergraph Smart 3D – Administration & Configuration

  1. Open SQL *PLUS, and connect as a user with SYSDBA privileges.
  2. At the SQL prompt, type show parameter goldengate, and press ENTER.

How do I monitor the Oracle Golden Gate?

18 Monitoring Oracle GoldenGate Processing

  1. Using the Information Commands in GGSCI.
  2. Monitoring an Extract Recovery.
  3. Monitoring Lag.
  4. Monitoring Processing Volume.
  5. Using the Error Log.
  6. Using the Process Report.
  7. Using the Discard File.
  8. Maintaining the Discard and Report Files.

How do you start Golden Gate replication?

Steps to Set up Oracle GoldenGate Replication

  1. Step 1: Log in and Enable Log Mode.
  2. Step 2: Creating User & Granting Permissions.
  3. Step 3: Installing Oracle GoldenGate & Granting Permissions.
  4. Step 4: Creating GoldenGate Tablespace & using Interpreter.
  5. Step 5: Extracting the File.
  6. Step 6: Setting Target & Configuring.