There are two kinds of data integrity: there’s the data storage kind where you are concerned that data isn’t accidentally (or maliciously) modified or deleted once it is in the system. This is a problem I am going to tackle in the next few days replacing a failing SSD. But there’s also a second kind… Continue reading Data integrity
Tag: databases
MySQL 8.0 GIS
Having recently upgraded to a new server for many of my research websites, I have blogged about MySQL 8.0 spatial indexing and migrating from earlier versions. During many hours of trying to get everything to work, I discovered that much of my GPS data is bloated with linestrings full of duplicate adjacent points. The primary… Continue reading MySQL 8.0 GIS
An epic “data” merge
I blogged during an epic merge that took a couple weeks to complete in which I reconciled code changes between a development system and a production system which had diverged significantly over a period of a few years. Today is the day I’m going to try to tackle the corresponding data merge mentioned in that… Continue reading An epic “data” merge
Migrating mybiketraffic.com
I saved the hardest for last. While technically not really that hard, I did want to keep the website up and running during as much of the migration as possible. As an extra complicating factor, to ease server space on my server, I stopped storing as much data in the mysql database and was storing… Continue reading Migrating mybiketraffic.com