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Correlated Metrics in Monitoring

If you work with monitoring or monitoring tools much, you’ve probably seen the phrase “correlating” here and there. For example, monitoring vendors often say you can use their product to…

Common Pitfalls When Using database/sql in Go

We’re huge fans of the Go language and its database access library, database/sql. As you’ve probably seen firsthand, the surface area of database/sql is pretty small, but there’s a lot…

Shopify Eliminates High Latency Queries From Redis and MySQL

As intuitive and streamlined as ecommerce technology might seem from the user’s perspective, it involves so much data that engineering ingenuity and smart database management must constantly deliver in order to…

JSON Support in PostgreSQL, MySQL, MongoDB, and SQL Server

If you’ve been watching the evolution of database technologies over the past few years, you’ve seen how quickly JSON has quickly cemented its position in major database servers. Due to its use…

Etsy’s Use of Performance Testing in Development

In a recent case study, we profiled Etsy and learned about how a high-performance data platform helps keep Etsy’s global community engaged. In that study, Etsy’s engineering team provided some key…

Three Things That Differentiate Amazon Aurora From MySQL

It’s not always obvious what makes one database type distinct from another. What are the most significant ways Amazon Aurora is different from MySQL? Clear separators aren’t always featured or…

5 Tips for DBAs on Working Remotely

For many professionals who’ve never had the chance to try it, full-time remote work might seem like pure upside—even luxurious. On days when rush hour commutes, shared fridge space, and raucous office mates threaten to…

Solving MySQL Replication Lag With LOGICAL_CLOCK and Calibrated Delay

Preetam Jinka published a post on his personal blog examining how his engineering team had overcome a problem with MySQL replication by using a new parallelization policy introduced in MySQL…

The Virtues of a Code Slush

People tend to look for sturdy, expansive safety nets when facing risky situations. In database management, organizations turn to the sweeping strategy of code freezes during times of hectic, peak activity.…