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performance

Real performance from CPU busy: an educated guess

Bart Sjerps 2024-09-052024-11-29 MEA, Oracle, Performance, Postgres

In a previous post, I introduced CRIPS – a measurement of the processing power of a CPU (core) based on SPEC CPU Integer Rate. The higher the CRIPS rating, the better a processor is in terms of performance per physical…

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PyPGIO – An I/O generator for PostgreSQL

Bart Sjerps 2024-07-302024-11-29 Oracle, Performance, Postgres

If you need to generate lots of I/O on an Oracle database, the de-facto I/O generator tool is SLOB (Silly Little Oracle Benchmark). In the recent years however, PostgreSQL  has gotten a lot of traction and many customers are starting…

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MEA: Defining Capacity and Performance Metrics

Bart Sjerps 2021-11-152024-11-29 MEA, Oracle, Performance

In the previous post, we discussed the current state of many existing Oracle environments. Now we need a method to accurately measure or define the workload characteristics of a given database platform. In our customer engagements we frequently ask details…

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Announcing qdda 2.0

Bart Sjerps 2018-05-142024-11-29 Innovation, Oracle, Performance

It’s almost a year since I blogged about qdda (the Quick & Dirty Dedupe Analyzer). qdda is a tool that lets you scan any Linux disk or file (or multiple disks) and predicts potential thin, dedupe and compression savings if…

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Six alternatives to replace licensed Oracle database options

Bart Sjerps 2017-07-112024-11-29 Oracle

More and more I hear companies looking into replacing expensive licensed database options with more cost-effective alternatives, for various reasons: simple cost reduction, or avoiding lock-in, or because of other strategic considerations. In order to kickstart the creative thinking, here…

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  • PyPGIO – An I/O generator for PostgreSQL
  • MEA: Defining Capacity and Performance Metrics
  • Maximum Efficiency Architecture: Current State
  • Reducing Oracle TCO: Maximum Efficiency Architecture

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