Latest SRE & DevOps Articles

Go Performance Tales

"Crossing Streams" celebrates the power and flexibility of Go's `io.Reader` interface, arguing it's a foundational building block for composing robust and testable I/O pipelines. T…

Monitor OpenShift performance metrics

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Rank and filter performance metrics with top() function

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Monitor key Couchbase metrics

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VMDK versus RDM: Which One Do I Need for SQL Server?

03/26/14 When it comes to disk configuration options for virtualized servers running on VMware, you have two options: VMFS virtual file-based disk (VMDK) or a raw device mapping (R…

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…