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Full Name
Chanaka Dinu Handurugama Yapa
Full Name
ACE Pro
Top Level Details
Job Role
Senior database consultant
Company
Eclipsys
Country
Canada
Top Expertise
OCI Database Migration
Focus Area
Database
About Chanaka Dinu Handurugama
Senior Oracle Database Consultant | Cloud & Engineered Systems Specialist | Exadata DMA Chanaka Yapa is a highly accomplished Senior Database Consultant with over 14 years of hands-on experience in Oracle database technologies. His expertise spans the full lifecycle of database management, including analysis, implementation, monitoring, optimization, and troubleshooting of complex Oracle environments. Chanaka has a deep command of Oracle RAC, Data Guard, ASM, RMAN, Oracle Enterprise Manager (OEM), and Oracle Advanced Security technologies, with a strong focus on performance, high availability, and business continuity. Chanaka has previously held a leadership role as the second-in-command for Oracle database technologies at the London Stock Exchange Group (LSEG), BSL (Sri Lanka), where he also extended support to LCH (London Clearing House). He has also contributed to global consulting initiatives during his tenure at Virtusa, a prominent US-based IT services and consulting firm, delivering critical solutions to clients across North America, Europe, Asia, and Australia. Core Competencies & Technical Expertise Exadata DMA: Deep expertise in full-stack patching for Oracle Exadata, including infrastructure, grid, and database components, across on-premises and Cloud@Customer (C@C) deployments. Oracle Database Technologies: RAC, Data Guard, ASM (10g – 19c), GoldenGate, RMAN. Cloud Platforms: Oracle Cloud Infrastructure (OCI), Microsoft Azure, Amazon Web Services (AWS). Virtualization & OS: Oracle Linux Virtualization Manager (OLVM), VMware vSphere ESXi; Linux, AIX, Solaris, Windows. Middleware: Installation and configuration of Oracle WebLogic and Fusion Middleware. Key Projects & Achievements Exadata & ODA Maintenance: Led full-stack patching and lifecycle management for multiple Exadata and Oracle Database Appliance (ODA) environments, ensuring stability and compliance for critical infrastructure. Cloud Migrations: Successfully migrated large-scale production and non-production workloads to Exadata Cloud@Customer for a major financial institution. Delivered seamless database migrations from on-premises environments to Oracle Cloud Infrastructure (OCI), ensuring minimal downtime and zero data loss. Database Upgrades: Spearheaded upgrades from Oracle 11g and 12c to 19c and 23ai, aligning systems with the latest security and performance features. Performance Optimization: Tuned EOD batch jobs and OLTP environments to deliver sub-second response times. Enhanced performance and reduced operational risk for high-volume financial systems. High Availability Solutions: Engineered zero-downtime node migrations and clustering configurations for mission-critical Oracle instances. Enterprise-Scale Production Support: Delivered database administration and support for over 4,000 servers and 100+ applications in live production environments, meeting stringent SLAs and compliance requirements.
Expertises
OCI Database Migration
Oracle Linux
Virtual Cloud Networks
Audit Vault and Database Firewall
Database Administrator (DBA)
Database Appliance
Exadata Database Service on Cloud@Customer
Exadata
Active Data Guard (ADG)
Autonomous Database
Links
Latest Contributions
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My Focus at Oracle AI World 2025 – AI, Security, and the Road Ahead
Oct 22, 2025 - Blog post -
Database 26ai
AI Infrastructure
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Optimizer Regression After Upgrade? Fix Slow Queries Using DBMS_SQLDIAG.CREATE_SQL_PATCH
Aug 19, 2025 - Blog post -
Exadata Database Service
Database Administrator (DBA)
Performance
Database 19c
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OLVM : Expanding Fiber Channel (FC) Support in OLVM Using a Data Domain Storage System
Aug 11, 2025 - Blog post -
Virtualization
Database Administrator (DBA)
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Performance issue : Handling SQL Version Count Issues with High-Volume Kafka Inserts on ExaCS
Aug 07, 2025 - Blog post -
Exadata Database Service
Database 19c
Database Administrator (DBA)
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Streamlining TDE Key Management with Oracle Key Vault and Secure Endpoint Deployment
Jun 26, 2025 - Blog post -
Oracle Key Vault
Database
Database Security
Advanced Security
Database 19c
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Oracle Key Vault (OKV) Endpoint (EP) Health Check: Best Practices & Troubleshooting Tips
Jun 20, 2025 - Blog post -
Oracle Key Vault
Database Security
Database
Database Administrator (DBA)
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EXACS: Creating an 11g Database Home
Jun 04, 2025 - Blog post -
Exadata Database Service
Database Administrator (DBA)
Exadata Database Service on Cloud@Customer
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Exacs database creation using dbaascli
Jun 03, 2025 - Blog post -
Exadata Database Service
Database Administrator (DBA)
Exadata Database Service on Cloud@Customer
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EXACS Standby - ORA-12154: TNS (Disable RFS client)
Jun 03, 2025 - Blog post -
Oracle Data Guard
Database Administrator (DBA)
Exadata Database Service
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Ensuring Database Integrity During Migration: A Production DBA's Challenge with Datapatch Execution (19c PDB : datapatch issue :ORA-01110 )
Jun 02, 2025 - Blog post -
Datapatch
Database
Database Administrator (DBA)
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Protecting Your Encryption Keys: (OKV - Part 2 )
Jun 02, 2025 - Blog post -
Oracle Key Vault
Database Administrator (DBA)
Advanced Security
#ACTIONS#
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EXACS: Resolving PDB Console Issue
Jun 02, 2025 - Blog post -
Exadata Database Service
Oracle Cloud Infrastructure (OCI)
Database Administrator (DBA)
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Safeguarding Data in the Age of AI: Why Oracle Key Vault Multi Master Matters
Jun 01, 2025 - Blog post -
Oracle Key Vault
Advanced Security
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Protecting Your Encryption Keys: Lessons from the Oracle Cloud Security Breach (OKV - Part 1 )
Jun 01, 2025 - Blog post -
Oracle Key Vault
Database Administrator (DBA)
Advanced Security
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