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One week with KDE Plasma
My go-to Linux distribution when I’m setting up my workstations is Fedora. I have been using it since Fedora Core 1 and RedHat 9 before that. I can’t even remember what RedHat version I started with now. I often try other distributions out and sometimes use them for a few months but I always end… Read more
Coding and decoding crash dump handlers
All software has bugs. Even if you could possibly write the perfect bug free software all the layers down have bugs. Even CPUs as can be seen with the recent Meltdown and Spectre bugs. This means unfortunately sometimes software will crash. When this happens it is useful to capture as much information as possible to… Read more
Correcting MariaDB ColumnStore Benchmarks
With MariaDB ColumnStore 1.1 Beta now released I quickly checked Twitter today to see what the response so far has been. I noticed that someone had posted up a benchmark comparison of MariaDB ColumnStore against a couple of other databases with data that doesn’t quite add up. Read more
How MariaDB ColumnStore’s filenames work
Unlike most storage engines, MariaDB ColumnStore does not store its data files in the datadir. Instead these are stored in the Performance Modules in what appears to be a strange numbering system. In this post I will walk you through deciphering the number system. If you are still using InfiniDB with MySQL, the system is… Read more
Tech job interviews are broken
I have a friend who was hit by a workforce reduction at a company I used to work at (as was his entire department). He is a brilliant engineer who has worked on some massive projects. But is struggling to find somewhere new in-part due to the insane way the recruitment process works in our… Read more
Protocol reverse engineering with tcpdump
Sometimes network protocols don’t entirely behave as documented. Other times there is no documentation at all beyond code. Either way you can sometimes find a need to sniff the traffic of a connection to find out what is really going on. Read more
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