Field notes and deep dives from 14 years of Oracle practice.
RAC vs Restart: Choosing the Right Architecture for 19c/23AI
Architecture • 8 min read
RAC shines for HA/scale but requires network, storage, and patch planning maturity.
Restart reduces complexity for single-instance deployments with reliable service
management and automatic instance restarts. Here’s how I compare them in real life…
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Exadata Patch Lifecycle — What to Validate Before and After
Exadata • 7 min read
A pre-patch checklist that actually prevents rollbacks: cell/compute versions, smart
scan validation, storage alerts, IORM baselines, offload ratios, and critical
post-checks you can automate.
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AWR–Driven Performance Tuning Playbook
Performance • 10 min read
From top waits to SQL plan stability, this step-by-step workflow turns AWR reports
into concrete performance actions with before/after validation and risk controls.
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