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Friday, February 6, 2026

Erman Arslan's Oracle Forum -- May 1, 2025 - Feb 6, 2026 - "Questions and Answers Series"

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Question:  How much time do you spend/lose? Answer:   Well, how much time I gain? :) Remember, you can ask questions and get remote support ...
Monday, February 2, 2026

The Gravity of Context: From Transformers’ Attention to Oracle 26ai

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This post will be about AI. We 'll start by going back to early days of transformers, the 2017 moment, the attention mechanism and all t...
Saturday, January 17, 2026

Exadata X11M / X11M-Z / Naming, Elasticity, RoCE and all that

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Recently dived into a new project with newest Exadata(s) inside :) and today, I wanted to share you a quick info about the newest Exadata na...
Thursday, January 8, 2026

OLVM connectivity issue due to hosts' SSL Certificates, KVM hosts were appearing in Down status & info about the script: OlvmKvmCerts.sh

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I want to share the solution that we implemented for fixing a recent issue. It was about Oracle Linux KVM and there was a misconfiguration i...
Monday, December 22, 2025

GoldenGate Error: OGG-02249 The Extract configuration does not support a physical standby / & the need for Downstream Capture

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Recently, I saw people dealing with errors while configuring an Oracle GoldenGate Extract process against a Physical Standby database. In th...
Monday, December 15, 2025

Monitoring Oracle Goldengate Monitoring / Oracle Enterprise Manager & the pluging & JAgent

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In complex enterprise environments, the greatest danger lies in the failure.. But! the delay between a failure occurring and its detection i...
Monday, December 8, 2025

Jagent / Monitoring Agent 12.2.1.2 & Oracle Goldengate 21.3 / java.lang.IllegalArgumentException: source parameter must not be null

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 You are using Oracle Goldengate 21.3, the classical one (not the microservices architecture based one), and you want to monitor the activit...
Monday, November 24, 2025

Oracle GoldenGate and ODI Working Together for Near-Real Time Data Ingestion for DWH Projects

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We're all chasing the same goal, near-real time data. You simply cannot run a modern business, especially in the Financial Services sect...
Friday, November 7, 2025

Oracle Linux KVM vs. Red Hat KVM for Oracle Products

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A recent discussion on my forum highlighted the importance of KVM selection for Oracle Customers. A member of my forum created a thread and ...

Oracle Linux Boot Failure: A GLIBC Version Mismatch / GLIBC_2.33' not found

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In this blog post I share a real production incident and its resolution. While the issue was severe, proper troubleshooting methodology and ...