Ogg Capture Client Successfull !!hot!!y Detached From Goldengate Capture

Compare lag before and after the detachment. Reattachment should take < 2 seconds. If longer, check database load.

ggsci> STATS EXTRACT <extract_name>, TOTAL

The message is a standard informational log entry in Oracle GoldenGate (OGG). It signifies that a downstream process or database log mining server has cleanly separated from the primary Extract process.

Think of it like a client-server relationship: Compare lag before and after the detachment

If stuck, force stop may be needed:

DBA sees "successfully detached" every night at 2 AM. Analysis: A maintenance window runs index rebuilds, causing massive redo generation. The database’s capture process dynamically rebalances and briefly detaches clients. Resolution: No action. Changed log level from INFO to WARNING for this specific event.

A "successful detachment" should not be misinterpreted. While the detachment might be successful and clean, the cause behind it could be an error that requires intervention. If you see this message and later find your Extract process in an ABENDED (abnormal end) or STOPPED state, the underlying issue is likely more serious. Analysis: A maintenance window runs index rebuilds, causing

In Oracle GoldenGate (OGG), the message typically signifies a normal state transition or the graceful termination of an Integrated Capture (Integrated Extract) process . Understanding the Component

This message will be preceded or immediately followed by fatal error codes like OGG-00664 or OGG-02071 . Step-by-Step Troubleshooting

Understanding the "OGG Capture Client Successfully Detached" Message 3. Heartbeat and Timeout Events

In "Downstream Capture" setups, a network flicker between the source and mining databases will trigger a detachment. Conclusion

If the capture process shows ABORTED or ERROR , the detachment was forced.

The message is a reassuring indicator that the communication channel between the Oracle GoldenGate Extract process and the Oracle Database logmining server has closed in a structured, healthy manner. By validating that this event aligns with administrative actions or standard idle periods, systems engineers can ensure their real-time data pipelines remain robust, stable, and highly performant.

If you change an Extract configuration and restart the process, it must detach from the old session before attaching to a new one. You will see the detachment message followed shortly by an "attached" message. 3. Heartbeat and Timeout Events