For years, people lamented that MySQL’s replication was single-threaded. Peter, Vadim, and I griped about this in High Performance MySQL for two whole editions, as well as a bunch of…
Peter Zaitsev posted Percona’s answer to the question, “why use the slow query log instead of the PERFORMANCE_SCHEMA tables to gather information about query execution and timing?” At SolarWinds, we…
CPUs are running faster now than ever before, solid-state drives are replacing spinning disks, and database servers have terabytes of RAM. Because these resources are plentiful and increasingly affordable, it…
In this post I’ll illustrate two ways I’ve accidentally caused slow but steady memory consumption in Go programs. The phrase “memory leak” isn’t really accurate, but I can’t think of…
In my seven years as a production DBA, I can count on one hand the number of times I have need to restore the master database as a result of…
In 2013, Microsoft made it available for customers to utilize virtual machines running in Windows Azure. This allowed customers to run an on-premises version of SQL Server, but have the…
Many of our agent programs have several independent worker routines that all need to be timed on clock ticks, sometimes with a specific time offset. We recently open-sourced multitick, a…
I was interested in the data shown in PayPal’s blog post on switching from Java to Node.js, for two reasons. First, at a glance both sets of benchmark data looked…
When you create a database in SQL Server and do not specify a file location for your data and log files, SQL Server will rely on the default locations as…
This post was featured in our July 2015 anthology of most popular SolarWinds Database Performance Monitor (DPM) blog posts of all time. One of the patterns I’ve found in the…
