Posts Categorized: Pythian

Looking for Missing Memory Using R

The forwarded case didn’t have many details. Its a 9i system that started experiencing ORA-4031 errors sporadically over the last few weeks. Marc suggested using R to explore how the various SGA components changed sizes over the last few weeks and see whether we can find any interesting trends that can indicate memory leaks. So we did just that. The first step is to get the actual data out of the system, and we used the following query

Cambrian Explosion (Dist::Zilla Plugins Galore)

The pièce de résistance is Dist::Zilla::Plugin::NextVersion::Semantic which I had promised to Mike Doherty a long time ago. In a nutshell, the plugin examines the changes of the upcoming release and increases the version according to the rules of semantic versioning.

Queues, Pools and Caches – Hotsos 2012 Presentation and FAQ

Thanks to everyone who attended my presentation “Queues, Pools and Caches” at Hotsos 2012. I had a blast and I hope you did too. I posted the slides and paper on SlideShare for your enjoyment. The paper is by far more complete and contains a lot of material I had to leave out of the slides. There were many questions asked after the presentation, so I thought I’ll post a short FAQ to address those:

Log Buffer #262, A Carnival of the Vanities for DBAs

This week is packed with conference news, birthdays, tutorials, awards, and much more. From Pythian proud recipient of HIO Employer Excellence Award to the health checks of SQL Server, and from hints in stored outlines to the birthday of Paul Vallee, this Log Buffer Edition has it all in Log Buffer #262.

A Contact Sheet for your Website

I’m in the throes of a major redesign of the site of my comic book, Académie des Chasseurs de Primes. Like any of those redesign, it involves a lot of CSS whack-a-mole. Fine-tuning one page throws a second one slightly off another, and fixing that second one causes unforseen effects on a third one. And so on, and so bloody forth. Generally, to discover those oopsies, I have to navigate the whole site. Bah, humbug. Wouldn’t it be much efficient to have a single document showing all of the site’s page? Something like a contact sheet for the website, if you will. Well, let’s see how hard that would be.

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