Latest SRE & DevOps Articles

Multi-Threaded Replication in MySQL

03/17/14 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…

Performance Schema, Slow Query Log, and TCP Decoding

02/25/14 Peter Zaitsev posted Percona’s answer to the question, “why use the slow query log instead of the PERFORMANCESCHEMA tables to gather information about query execution and …

Understand AWS CloudWatch metrics and Datadog measurements

This article details how Datadog now supports Amazon CloudWatch Metric Streams, enabling significantly faster ingestion of CloudWatch metrics – often within seconds instead of minu…

Hardware or Code? SQL Server Performance Examined

01/24/14 As DBAs with years of experience in a variety of environment between us, we each have seen that most database performance issues result not from lack of enough CPU power o…

A Tale of Two Memory Leaks in Go

01/15/14 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…

How to Recover the Master Database in SQL Server 2012

01/14/14 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 a disaster. In other words, th…

Improve Java performance: Monitor JMX Metrics with Datadog

Please provide me with the article "Java memory management: How to monitor" so I can summarize it for you. I need the text of the article to be able to fulfill your request. Once…

Connect to Windows Azure Virtual Machine Using SSMS

12/18/13 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…

Multitick: multiple-subscriber time.Ticker in Go

12/17/13 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-sourc…

More metrics, more visibility with the new Datadog Agent

The article details how the authors drastically reduced the size of their Go Agent binaries—by up to 77%—through a combination of techniques. These included upgrading to the latest…

AWS re:Invent talk: Instrumenting application stacks in a dynamically scaling environment

Please provide me with the article text! I need the content of "Highlights from AWS re:Invent 2025: Making sense of applied AI, trust, and going faster" to be able to summarize it …

Analysis of PayPal’s Node-vs-Java benchmarks

12/09/13 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 very cle…