I just noticed…

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That I forgot to put the slides from Stewart and my MythTV tutorial at LCA online. So, here they are, and sorry for the delay. You can also see the video of the tutorial here, and the homework we set here. Weirdly, there is even a remix video of the presentation.

Continue ReadingI just noticed…

I just noticed…

That I forgot to put the slides from Stewart and my MythTV tutorial at LCA online. So, here they are, and sorry for the delay. You can also see the video of the tutorial here, and the homework we set here. Weirdly, there is even a remix video of the presentation.

Continue ReadingI just noticed…

Managing MySQL the Slack Way: How Google Deploys New MySQL Servers

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I'll be presenting about Slack (the open sourced tool kit we use for deployment software configuration) at the MySQL user's conference in Santa Clara in late April. The talk will focus on the interesting aspects of Slack as it relates to MySQL and should be fun. A DBA mate of mine is gonna present with me, so it should be a barrel of laughs.

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Done and done

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Stewart finished off the last trailing chapter of the MythTV book a week or so ago, and I finished the last copy edit (the process where we learn US grammar) just now. That means we only need to have page layout done for a chapter or so and we're home. Hurrah!

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Scott Adam’s blog: the boner theory of management

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The Boner Theory of Economics also predicts that in the long run -- perhaps in a few hundred years -- the military will be 100% gay men. This is the best case scenario for taxpayers because it will keep down costs, and recruiting will be easy. Recruiter: "We can't afford to give you body armor, but you'll be surrounded by young, vital men who are a long way from home. Would you like a tour of the showers?" Recruit: "Yes, but I can't stand up right away." http://dilbertblog.typepad.com/the_dilbert_blog/2007/03/the_boner_theor.html

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Dentist

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I went to the dentist for the first time in the US last night. It was a pretty odd experience. 19 xrays (apparently that's standard here), a TV set on the wall where they showed me the tooth which needs a filling, and then showed me the filling after it was done, photos of my teeth with a digital camera so they can show me before and after in a few years. Heck, they rubbed lotion on my lips for me so that I wouldn't have to suffer at all by keeping my mouth open for more than 30 seconds. The best bit? They came up with a written estimate before they did the filling, and made sure I was ok with the whole thing before they did any work. I think I like the dentist here.

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MythNetTV beta 4

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As it says in the email: To: Discussion about mythtv <mythtv-users@mythtv.org> Subject: MythNetTV beta 4 Hi again. MythNetTv is my video downloader / aggregator / importer thingie for MythTV. I've spent a little longer testing this beta, and I think it's getting kinda ready for a real release number or something. New things in this version (from the change log): - Made --update more terse - Made --update more liberal about what it considers to be a video, specifically added video/quick time and text/html (to work around the rather broken http://www.mobuzztv.com/uk/rss/quicktime - Added a filter option to --download to constrain it to only downloading shows with a specific title - Added transcoding for mov and wmv2 files - If there is a straggling import, and it causes as error, just skip it and mark it as imported - Don't reset transferred data statistic when we start downloading a show again - Started implementing moniker support for downloads - Unsupported monikers will result in an attempt to download the URL using mplayer (which works for RTSP and MMS at the least) Yes, that's right. You can now download only shows with a specific title, and you can also download any protocol…

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MySQL scaling: query snipers

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I've been wanting a query sniper for a while for MySQL (some people seem to call them "query killers"). They're basically programs which inspect the MySQL "show processlist" command and decide to kill some processes if they violate specified rules. I have a prototype of one in python, and couldn't find any other implementations until tonight when I came across Querybane, which is what Wikipedia use to do exactly the same thing. Now, I need to think further about if querybane does what I want, especially given I can't find the source code. Perhaps it's hidden in the media wiki code somewhere? The only code for a project named "servmon" (it's parent project) that I can find is four years old and in PHP. (Oh, by the way, the Wikipedia MySQL docs are really interesting, for example this page has some nice practical advice about replication log corruption. I wish I had found this before now for two reasons: it's nice to see how other people do this stuff; and there is some stuff I can totally steal from here.) So, does anyone know where I can find recent querybane code? Alternatively, what do other people use as a query…

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