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Month: November 2020

Creating a new replica after purging binlogs with bitnami mariadb docker images

I have been using the bitnami mariadb docker images and helmfiles for just over a year now in a personal project (wbstack). I have 1 master and 1 replica setup in a cluster serving all of my SQL needs. As the project grew disk space became pressing and from an early time I has to start automatically purging the bin logs setting expire_logs_days to 14. This meant that I could no longer easily scale up the cluster, as new replicas would not be able to entirely build themselves.

This blog post walks through the way that I ended up creating a new replica from my master after my replica corrupt itself and I was all out of binlogs. This directly relates to the Github issue on the bitnami docker images of

The walkthrough was performed on a Google Kubernetes Engine cluster using the 7.3.16 bitnami/mariadb helm charts which contain the 10.3.22-debian-10-r92 bitnami/mariadb docker image. So if you are using something newer expect some differences, but in principle it should all work the same.

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2020 Election, Registered voters misinformation #voterfraud?

On November 4th 2020 I managed to get an overview of exactly how misinformation and “fake news” can start so accidently, and spread so rapidly.

While scrolling through Twitter during the 2020 US Presidential election, I spotted some tweets saying that more people had voted in Wisconsin than were originally registered in the state. You can find a bunch of them using this twitter search.

After performing a quick Google search looking for some data I found a list of states by registered voter count for 2020 as the first result, interestingly with the same value as included in the tweet, 3,129,000. Looking into the “Sources” of the page helpfully listed by the author I couldn’t see data being referenced for 2020, only for 2018 and 2016. This page has the wrong title!

Some more research lead me to what appeared to be the first fact check article also confirming that the number being circulated appeared to be from 2018, not 2020.

Rather than leaving it there, for whatever reason I decided to get more involved, dig a little deeper, talk to some people on twitter and see what I could change as this misinformation continued to be spread.

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