👋 Hello, I’m Deniz Gökduman
Welcome to my professional space where I share insights, experiences, and technical knowledge about PostgreSQL Database Administration.
Who Am I?
I’m a PostgreSQL Database Administrator specializing in:
- High Availability (HA) architectures with Patroni
- Performance tuning and query optimization
- Backup, recovery, and disaster recovery planning
- Database security and compliance
- Monitoring and automation
Currently working at Istanbul Metropolitan Municipality (IMM), I manage mission-critical database systems that serve millions of users daily. My focus is on building scalable, secure, and high-performance database infrastructures that ensure business continuity.
What I Write About
On this blog, you’ll find:
📚 Technical Guides & Tutorials
Step-by-step instructions for PostgreSQL installation, configuration, and administration tasks.
⚡ Performance & Optimization
Real-world strategies for query tuning, indexing, partitioning, and resource management.
🔒 Security & Compliance
Best practices for database hardening, access control, and audit logging.
🛠 High Availability & Disaster Recovery
Implementing Patroni clusters, streaming replication, and backup strategies.
🤖 Automation & Scripting
Bash, PowerShell, and Python scripts to automate routine DBA tasks.
📊 Monitoring & Observability
Setting up Prometheus, Grafana, and other monitoring tools for database health tracking.
Why This Blog?
This blog serves three purposes:
- Knowledge Sharing: Contributing to the PostgreSQL community by sharing solutions to common challenges
- Personal Archive: Creating a searchable reference for my own learning journey
- Professional Growth: Building a portfolio that demonstrates my expertise and continuous learning
My Philosophy
“A well-maintained database is invisible to users but critical to business success.”
I believe that great database administration combines technical expertise with operational discipline. Every configuration decision, every query optimization, and every backup strategy should be driven by business requirements and measured by tangible outcomes.
Get in Touch
📧 Email: o.deniz.gokduman@gmail.com
🔗 LinkedIn: linkedin.com/in/deniz-gökduman
💻 GitHub: github.com/gokdumano
📄 Resume: Download PDF
Current Focus Areas:
- PostgreSQL 8 new features and migration strategies
- Advanced monitoring with Percona PMM and Grafana
- Logical replication and Change Data Capture (CDC)
🎯 2026 Goals: Deepen expertise in cloud-native PostgreSQL architectures and contribute to open-source PostgreSQL ecosystem.
“Building reliable database systems, one query at a time.”