This is a tale of the bug lp:798213. The bug report has the initial report, and a summary of the real problem obtained after detailed analysis, but it does not describe the processes of getting from the former to the latter. I thought it would be interesting to document this, as the analysis of this… Continue reading Tale of a bug
Tag: debugging
Debugging memory leaks in plugins with Valgrind
I had an interesting IRC discussion the other day with Monty Taylor about what turned out to be a limitation in Valgrind with respect to debugging memory leaks in dynamically loaded plugins. Monty Taylor’s original problem was with Drizzle, but as it turns out, it is common to all of the MySQL-derived code bases. When… Continue reading Debugging memory leaks in plugins with Valgrind
MariaDB Buildbot configuration file published
I have now published the Buildbot configuration file that we use for our continuous integration tests in our Buildbot setup. Every push into main and development branches of MariaDB is built and tested on a range of platforms to catch and fix any problems early (and we also test MySQL releases before merging to easily… Continue reading MariaDB Buildbot configuration file published
Fixing a MariaDB package bug
One of the things that I am really happy about in MariaDB is that we have our releases available as apt (and yum for Centos) repositories. This is largely thanks to being able to build this on the OurDelta package build infrastructure (which again builds on things like the Debian packaging scripts for MySQL). Something… Continue reading Fixing a MariaDB package bug
Network troubles, part 2
This is a followup to part 1 of the story, where I found that a hanging ftp transfer was caused by one of my network components not being able to transmit certain bit patterns. After getting on-site, I had the chance to move around cables to test each component in isolation. I was quite surprised… Continue reading Network troubles, part 2
Network troubles
As this story shows, the cause of a network problem is not always where youfirst suspect… So I just set up an ftp server on my home network for easy file transfer with some family members. Everything was working fine, except … occasionally, file transfers would just hang, for no apparent reasons. Logs did not… Continue reading Network troubles