Riyaj Shamsudeen

Oracle

Tuning 'log file sync' Event Waits

In this blog entry, I will discuss strategies and techniques to resolve 'log file sync' waits. This entry is intended ...

Oracle

How to Find Objects Creating nologging Changes

In an Oracle-l thread, this question was raised: how can you find objects creating nologging changes? First, what is a ...

Oracle

Performance Tuning: HugePages in Linux

Recently we quickly and efficiently resolved a major performance issue with one of our New York clients. In this blog, ...

Oracle

Oracle Performance Issue: High Kernel-Mode CPU Usage

Recently, I resolved a performance issue with one of our esteemed clients. I found the problem interesting and worth ...

Oracle

Resolving High Water Enqueue Contention

Recently, I had a few email exchanges — on the Oracle-l list and offline — about HW enqueue contention. A few ...

Oracle

Multi-Column Correlation and Extended Stats in Oracle 11g

Introduction We all have encountered this situation many times before: the cost-based optimizer assumes no correlation ...

Oracle

Identifying SQL Execution Bottlenecks Scientifically

Background A few days ago, a developer and I had an interesting conversation. The developer was trying to tune an ...

Oracle

Tuning Latch Contention: Cache-buffers-chain latches

Recently, I had an opportunity to tune latch contention for cache buffers chain (CBC) latches. The problem was high ...

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Oracle AI Data Platform (AIDP): No-Nonsense Platform Overview

Oracle’s AI Data Platform (AIDP) is essentially an attempt to fix the biggest annoyance ...

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AI in the Workplace: Employee Productivity & Sentiment Survey

2025 employee survey on the use of AI In November 2025, Pythian, a professional services ...

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Is Agentspace good for non-Google shops?

So you’re not a Google shop. Does that mean you can’t take advantage of the AI ...

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Using Multi-Agent Reasoning for NLP-to-SQL

As data-driven decision-making becomes essential, access to that data shouldn’t require deep technical ...

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Becky's BI Apps Corner: OBIA 11.1.1.10.2

Upgrade jitters? If you’re running older versions of OBIA, the new 11.1.1.10.2 release brings game-changing features like automatic error handling and ...

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Oracle Data Integrator (aka Sunopsis) Now On OTN

Oracle Data Integrator (formerly Sunopsis) has officially landed on the Oracle Technology Network, bringing

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Riyaj Shamsudeen

Posts by Riyaj Shamsudeen

Tuning 'log file sync' Event Waits

How to Find Objects Creating nologging Changes

Performance Tuning: HugePages in Linux

Oracle Performance Issue: High Kernel-Mode CPU Usage

Resolving High Water Enqueue Contention

Multi-Column Correlation and Extended Stats in Oracle 11g

Identifying SQL Execution Bottlenecks Scientifically

Tuning Latch Contention: Cache-buffers-chain latches

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