GoldenGate

Retrieving GoldenGate logs, reports, and diagnostics with the REST API

I often need to retrieve report files or logs from GoldenGate deployments, and I wanted to find ways of automating this. Hence this blog, about retrieving all available logs with GoldenGate REST API. I previously wrote about the(…)

How to detect a suspended GoldenGate extract

While testing EVENTACTIONS (SUSPEND) on an extract, I noticed that nothing in INFO tells you the process is suspended. The extract shows as RUNNING, the lag might look fine for a while, and yet it has stopped capturing. You(…)

Import order matters for GoldenGate instantiation filtering

When migrating a large database with GoldenGate, most of the volume is sometimes in old partitions which no longer change. A common shortcut is to move them first with expdp/impdp, even before GoldenGate is set up. Everything else, the(…)

Removing instantiation filtering from a GoldenGate replicat

In a recent blog, I explained how instantiation filtering works. DBOPTIONS ENABLE_INSTANTIATION_FILTERING makes a replicat discard any record whose commit CSN is at or below a table’s instantiation CSN. It applies everything above it. This(…)

GoldenGate 26ai AutoSchema TYPEMAP: overriding the default datatype mapping

In my blog about the new automatic schema evolution feature in GoldenGate 26ai, I was replicating the following table from Oracle to PostgreSQL: CREATE TABLE autosch.t1 ( id NUMBER PRIMARY KEY, name VARCHAR2(50), amount NUMBER(10,2),(…)

GoldenGate AI Service bug confirmed in the Maximum Input Characters setting

In a previous blog, I noted that there might be a bug with the Maximum Input Characters setting in GoldenGate 26ai AI Service. The bug was confirmed by Oracle, so let’s see what it is(…)

GoldenGate 26ai automatic schema evolution: creating missing tables during an initial load

For as long as I have used GoldenGate, an initial load had one prerequisite: the target tables must already exist. Data Pump takes care of it between two Oracle databases. For anything else, you write the CREATE TABLE statements(…)

Deleting GoldenGate trail files via the REST API (OGG-30375)

When automating your GoldenGate deployments, or tearing down a test environment, handling trail files is important. In fact, deleting an extract or a replicat does not delete the trail files it was writing to or reading from. It leaves(…)

GoldenGate instantiation CSN explained

For more than ten years (GoldenGate 12.2, released in 2015), GoldenGate has provided a way of performing initial load of tables with a per-table instantiation CSN. But when migrating a database or just performing the initial load of(…)

GoldenGate 26ai AI Service: Full setup with a free Gemini key

I sometimes get asked how the new AI Service of GoldenGate 26ai works, and the best way to show it is to see it in action. In this blog, I will set up the AI Service with Google Gemini,(…)