Everyone in enterprise IT is selling "engineered systems". Here's an independent assessment of what the term actually means and whether the integrated appliance model lives up to its promises.
Tag: oracle
Database Workload Theory
Before you can benchmark or optimise a database, you need a model of what a database workload actually is. Here's the theoretical foundation – and why it matters more than most DBAs realise.
Auto DOP with High Performance Storage
Oracle's Automatic Degree of Parallelism assumes storage is slow. On flash, those assumptions break down – here's what happens to Auto DOP behaviour when you remove the I/O bottleneck.
The Ultimate Guide To Oracle Support
Understanding how Oracle Support is structured and incentivised helps you get better outcomes from it. Here's a frank guide to working with Oracle Support effectively.
Why In-Memory Computing Needs Flash
Running everything in memory sounds like it makes storage irrelevant. It doesn't – flash is what enables in-memory architectures to reach their full potential, for three distinct reasons.
More on Exadata X3 “Database In-Memory” (but not by me)
Not a real post - but a recommendation... Kevin Closson, former Performance Architect within Oracle's Exadata development organisation, has (finally!) written a blog post about the new Exadata X3 model with it's claimed "Database In-Memory" marketing title. For the history of Exadata click here. But more importantly, for the insider view, click here: Oracle Exadata … Continue reading More on Exadata X3 “Database In-Memory” (but not by me)
SLOB using Violin 6616 on Fujitsu Servers
I've been too busy to blog recently, which is frustrating because I want to talk more about subjects that are important to me such as Database Virtualization and the great hype around In Memory Databases. However, in the meantime I'd like to share some results from running SLOB (the Silly Little Oracle Benchmark) on Violin … Continue reading SLOB using Violin 6616 on Fujitsu Servers
In Memory Databases: HANA, Exadata X3 and Flash Memory (Part 2)
With definitions established, this post examines where HANA, Exadata X3 and flash memory each sit in the in-memory landscape – and what they actually have in common.
Thoughts on In Memory Databases (Part 1)
Everyone is talking about in-memory databases, but what does "memory" actually mean in this context? Here's an attempt to cut through the hype and establish some clear definitions.
Using Oracle Preinstall RPM with Red Hat 6
The Oracle Preinstall RPM has a dependency on the Unbreakable Enterprise Kernel that causes problems on Red Hat 6. Here's how to work around it.
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