Blog

Checking long running transactions in GoldenGate
When doing complex operations with GoldenGate, checking for long running transactions is mandatory if you don't want to miss transactions.

DB2
SQL1598Nlicensing error when upgrading GoldenGateWhile upgrading GoldenGate to 26ai for a DB2 z/OS source, I had to update the IBM Data Server Driver for ODBC and CLI (*CLI Driver, in short) alongside it.

GoldenGate extract abending on NFS trail:
OGG-02897/OGG-01668Input/Output ErrorWhile working on a client's GoldenGate 26ai environment, I ran into a NFS-related replication issue that could have been serious, had it happened in production.

MongoDB OIDC authentication with Okta
Since version
7.0.11, MongoDB natively supports OpenID Connect (OIDC) authentication.
Simplified distribution path creation in GoldenGate 26.3
The
23.26.3.0.0release update of GoldenGate 26ai (July 2026) ships a small but welcome usability change, listed in the *New Enhancements section of the release notes: > Bug 39415027: Generic -…
MongoDB DMK 2.5.0: Sharding support and new features
In this blog, I will present the new features introduced with the latest release (
2.5.0) of the MongoDB DMK.
GoldenGate trail purge task fails with "
OGG-12111: JSON element '/csn' does not match any schemas"Since the beginning of the year, I had the opportunity to upgrade many GoldenGate setups to 26ai. On two of them, I was facing an issue regarding purge tasks that I could not solve.

LOB replication with GoldenGate and importance of primary keys
Every time I work on database migrations with GoldenGate, I have the same talks with application teams about missing primary keys. Especially when it comes to LOB replication with GoldenGate.

GoldenGate row identification: misconceptions and solutions
GoldenGate is a powerful replication tool, but it is so versatile that you should always check whether what you intend to do is supported or not.

GoldenGate NGINX reverse proxy behavior changes
I recently wrote about NGINX reverse proxy reconfiguration after creating or deleting a deployment in GoldenGate.

GoldenGate 26ai out-of-place patching with the web UI
For some customers, the end of support for GoldenGate 19c in May this year and the migration to Microservices Architecture mean that they have to adapt their patching procedures (if they had any !).

GoldenGate: Regenerate NGINX reverse proxy after deployment changes
Configuring an NGINX reverse proxy for GoldenGate is well documented by Oracle, but what is not is the implication of adding or removing deployments.