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Oracle

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More resources, same root cause
Technical Leadership & Projects

More resources, same root cause

Why upgrading CPU, RAM or IOPS rarely solves a mission-critical database slowdown — and what to check before signing the purchase order.

6 October 2026 9 min
The Saturday night nobody wants: migrating 12 TB from Oracle 12.2 to 21c in a four-hour window
Oracle

The Saturday night nobody wants: migrating 12 TB from Oracle 12.2 to 21c in a four-hour window

Moving 12 TB from Oracle 12.2 to 21c with transportable tablespaces and RMAN incremental backups, keeping downtime under four hours. Real numbers and commands.

15 September 2026 16 min