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Peter SylvesterAs businesses grow and develop, the requirements that they have for their data platform grow along with it. As such, one of the more common questions I get from my clients is whether or not their system will be able to endure an anticipated load increase. Or worse yet, sometimes I get questions about regaining […]
Recently, I was working with my colleagues Edwin Wang and Taras Onishchuk and found an interesting edge case involving a situation where a replica running Percona Server for MySQL 5.7, external to AWS Aurora instance version 2.10.2 (5.7-compatible), broke. I recreated the issue in my lab with a simple create database statement, as you will […]
Earlier in the year, I was working on an issue where one of my clients had reported a massive influx in connection on their hosts after enabling Percona Monitoring and Management (PMM). This was something I had not seen before and after researching for a couple of days I discovered that if you monitor a […]
One thing I commonly hear when working with my clients is “I want to change my DDL strategy in order to avoid locking in my database! The last time I used the same old method I ended up in a metadata lock situation!” I agree that metadata locks can be painful, but unfortunately, it’s completely […]