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The thing I wish I’d learned while still a DBA is how to use perf. Conversely after moving to a developer role, getting access to real external client workloads to get a perf recording directly is rar...

We’d love to see more contributions towards the development and improvement of Percona Monitoring and Management (PMM), one of Percona’s most valued projects. Like all of Percona’s software, PMM is fr...

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At re:Invent in Las Vegas in December 2019, AWS announced the public preview of RDS Proxy, a fully managed database proxy that sits between your application and RDS. The new service offers to “share e...

Database administrators are responsible for maintaining the privacy and integrity of data. When the data contains confidential information, your company has a legal obligation to ensure that privacy i...

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In the last few years there have been several examples of major service problems affecting businesses data: outages causing data inconsistencies; unavailability or data loss, and worldwide cyberattack...

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In my roles as a DBA at various companies, I generally found the tooling to be quite lacking. Everything from metrics collection, alerting, backup management; they were either missing, incomplete or i...

Late one evening, I was staring at one of our large MySQL installations and noticed the database was hovering around 7-10 run queue length (48 cores, ~500 gigs memory, fusionIO cards). I had been scra...

The blog post How to Compile Percona Server for MySQL 5.7 in Raspberry Pi 3 by Walter Garcia, inspired me to create an updated install of Percona Server for the Raspberry Pi 3+....

Sometimes, the MySQL Optimizer chooses a wrong plan, and a query that should execute in less than 0.1 second ends-up running for 12 minutes!This is not a new problem: bugs about this can be traced bac...

Starting at version MySQL5.6+ by default innodb_file_per_table is enabled and all data is stored in separate tablespaces. It provides some advantages....

In one of my past blogs I explained the contribution of MongoDB® views in organization security. In this blog, I will take it one step further and I will try to approach the concept of a materialized ...

Kubernetes’ popularity as the most-preferred open-source container-orchestration system has skyrocketed in the recent past. The overall container market is expected to cross USD 2.7 billion by 2020 wi...