Tag: DBA Lounge

Postgresql 9.1 – Part 1: General Features

General scope Postgresql 9.1 runs over the theme “features, innovation and extensibility” and it really does. This version was born to overcome Postgresql 9.0 ‘s limitations and known bugs in replication. If you are developing over 9.0, it’s time to…

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CanWIT Panel – CIO or CTO? The Path to Next Generation Technology Leadership

Last Thursday I was invited to the panel organized by Ottawa Chapter of Canadian Women In Technology (CanWIT). I wanted to mention it here as CanWIT sets up very interesting events for women in IT so if you are interested in progressing your IT career, definitely consider their events.

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Going Postal (with Dancer)

The Dancer plugin mechanism primary aims to provide a way to encapsulate pieces of functionality that can be re-used by different applications. But, it’s so light-weight and handy, that’s it’s easy to also use it to encapsulate parts of the application itself. In that way, it’s very reminescent of the concept of role. Let’s look at this example.

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A Wee Bit of Fun with Template::Declare

As I was crafting my Dancer presentation for Summercamp 2011, I noticed that there wasn’t a Dancer template for Template::Declare. Well, now there’s one, have a look.

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Incident Notification – Pythian internal – Jul 29th 3PM EDT

We have incident reporting procedures at Pythian. This incident report was sent just recently internally at Pythian. We learned some good lessons from it so I hope it would be useful to the community as well – As part of our incident management process, you will find below a summary of the details from the incident that occurred on July 29th at 3PM EDT. Overview: Pythian employees were de-motivated by the lack of refreshments on Friday afternoon

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The DBD-Quest of Unknown Kadath

I already aluded to the fact in a few posts already, but just to make it a wee bit more public: a few weeks ago, someone had a lapse of common sense and knighted me Maintainer of DBD::Oracle. mouahahaha *ahem* I mean, I’m honored to be allowed to at the wheel of what is one of the most venerable battleships of the CPAN armada, and hereby swear to serve her at the best of my abilities.

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Swappiness

If we are observing more and more swapping in (ver frequent si in vmstat) then we could look at decreasing swappiness.
In order to play with the swappiness, you can temporarily set it by doing the following…

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ASCII Interface for Games

The best way to get a feel for a module is to work with it, I decided to try my hand at a small, unassuming maze game. For the maze creation itself, I used Games::Maze, and with that out of the way, the resulting program turned out to be quite simple, have a look.

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Replication Issues: Never purge logs before slave catches them!!

A customer contacted us regarding a problem with one of their replication servers. We found they had deleted some binary logs from the master and relay logs from the slave to release space. It is not a good idea to delete logs that aren’t cached by the slave, in case they are needed. At least keep relay logs in slave to keep the replication working.

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Codename: Yanick in Black – Contributing to Other Peeps’s Modules

Since writing a blog entry sorely to talk about a software release bearing my name would be slightly… ah… self-serving (and we couldn’t have that in a blog, now, could we?), I thought to expand a little bit on the topic and discuss why I am contributing to other peoples’ modules, and how I usually go about it.

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