Blog
How CPU IO Wait Became an ASM Issue
You know the story? You start the day with a simple plan, but the universe rewrites the script, and before you know it, daylight turns into overtime darkness.It started quietly. No database alerts
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JAS-MIN, Part 2 — Digging Deep into AWR & STATSPACK
- Radoslaw Kut
- Database , Performance , Tuning
- 25 May, 2025
Welcome to the second post in the JAS-MIN series!In this part, we’ll dive into the most important options that shape how JAS-MIN behaves — and how to tune its sensitivity to detect what is importa
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JAS-MIN, Part 1 — Digging Deep into AWR & STATSPACK
- Radoslaw Kut
- Database , Performance , Tuning
- 14 May, 2025
It was becoming increasingly difficult to say why and for what purpose what was happening was happening; and worse still — what exactly was actually happening at all.*- Black Oceans - Jacek Duk
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Non standard aproach to STANDARD
- Radoslaw Kut
- Database , Migration , PDB
- 25 Apr, 2025
Last weekend, during a routine migration from a non-CDB Oracle database to a PDB, together with Kamil Stawiarski, we stumbled upon a charming little Oracle behaviour worth
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Wrong Results when SQL offloaded with Smart Scan - case study
- Radoslaw Kut
- Exadata , Smart Scan , 12c
- 15 Dec, 2024
Running a database on an Exadata Database Machine can occasionally reveal unexpected challenges, such as an offloaded SQL query returning incorrect results. This kind of behavior, as you can imagine,
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BKUP_API and disappearing Incremental Backups
- Radoslaw Kut
- Exadata CC , Backup
- 08 Oct, 2024
Some time ago, I noticed that the bkup_api hadn’t completed any Incremental Backup for one of the databases on Exadata Cloud@Customer for several days. More importantly, it failed to notify o
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