Tag Archives: openstack

Apache Cassandra, bad assumptions, and unit test shortfalls

This is a story about a problem that took a long time to solve. As in, no one noticed it was a problem for a couple years then it took another year to solve. It involves using the time series database Cassandra, some bad assumptions made by the initial programmers who were more used to relational databases, and a reliance on unit tests that test for a short period of time but miss long term problems. And there is a bonus, somewhat related story at the end.

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OpenStack Dublin PTG – Feb 2018 – Thoughts on Wed to Fri

Continuing my thoughts and experience writing about the OpenStack PTG in Dublin, Ireland. Part 1 can be read at OpenStack Dublin PTG – Feb 2018 – Thoughts on First Two Days.

Wednesday through Friday were set aside as focused team work days. As part of the Monasca team (wiki), we really only had enough agenda for two days, and knowing that many of the attendees (including me) had planned to only stay through Thursday. They were two good days of discussion and planning, shortened slightly by the weather (see the next blog post for more on that.

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OpenStack Dublin PTG – Feb 2018 – Thoughts on First Two Days

I attended my first PTG (Project Teams Gathering https://www.openstack.org/ptg) this year in Dublin Ireland from February 24 to March 2.  I’ve been working on OpenStack code (and code that uses it or packages and installs it) for a few years now, and recently was made a Monasca Core Reviewer. I attended the OpenStack Summit in Vancouver, which was quite a different experience (should blog about that some time – I have lots of notes I could dig up).

The PTG is different from the Summits.  This was only the third one that has been held, and the first I’d attended.  I had a bit of a sense of what to expect from the meetings after attending some of the developer sessions at the Vancouver Summit, and after the virtual mid-cycle meeting we had for Monasca last year.  But the format was still a bit challenging.

Read below for my take on the first two days, and look for other posts about the rest of the week and weather/travel.

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