Dhiraj Kumar's Blog

Dhiraj Kumar’s Oracle Blog: Insights, Best Practices and Real-World Solutions

Check out my latest articles and insights on Medium (@dhirajengr) .

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  • Troubleshooting High gc freelist Waits in Oracle RAC: Root Cause and Resolution

    In an Oracle Real Application Clusters (RAC) environment, batch jobs or maintenance tasks that typically run in minutes can occasionally encounter severe bottlenecks. A common yet elusive culprit is the gc freelist wait event. The Scenario A routine batch job—responsible for disabling and enabling constraints across schemas normally finishes within…

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● About Me

I’m Dhiraj Kumar, an Oracle RAC Database With over 15 years of experience, I’m passionate about building high-performance, scalable database solutions that support critical business operations.

📘 Check out my latest articles and insights on Medium (@dhirajengr) .

● Recent BLOGS