tyler couto

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Container isolation gone wrong

Introduction<p>One of the main advantages of embracing containers is “lightweight virtualization”. Since each container is just a thin layer around the …

DevOps

Desert

Not to be confused with Dessert.<p>This article is about dry terrain. For arid climate, see Desert climate. For the act of abandoning or withdrawing …

The Trembling Giant

Compared with a mite or a virus, we humans are enormous. But we share this planet with other organisms that, in turn, dwarf us. At 100 feet, a blue …

Coupling

This article is about a mechanical connection between two objects. For other uses, see Coupling (disambiguation).<p>A <b>coupling</b> is a device used to …

Putting Apache Kafka To Use: A Practical Guide To Building a Streaming Platform

Data systems have mostly focused on the passive storage of data. Phrases like “data warehouse” or “data lake” or even the ubiquitous “data store” all …

A Survey of the NTP Network

Designing and running a survey of this magnitude is an interesting experience. One of the astonishing results is how easy it is. From a single PC the …

High availability with ExaBGP

When it comes to provide redundant services, several options are available:<p>The service can be hosted behind a set of <b>load-balancers</b>. They will detect …

Examining Load Average

The Wizard behind the Curtain<p>The load-average calculation is best thought of as a moving average of processes in Linux's run queue marked running or …

Linux

Programmable chips turning Azure into a supercomputing powerhouse

Chips are boosting network speeds, slashing latency, and accelerating Bing.<p>Microsoft is embarking on a major upgrade of its Azure systems. New …

Google Built Its Very Own Chips to Power Its AI Bots

Google has designed its own computer chip for driving deep neural networks, an AI technology that is reinventing the way Internet services …

Key metrics for AWS RDS PostgreSQL monitoring

Amazon Relational Database Service (RDS) is a managed service that helps users easily deploy and scale relational databases in the AWS cloud. RDS …

Databases

List of oldest trees

This is a list of the <b>oldest-known trees</b>, as reported in reliable sources. Definitions of what constitutes an individual tree vary. In addition, tree …

Old Tjikko

<b>Old Tjikko</b> is a 9,560-year-old Norway Spruce, located on Fulufjället Mountain of Dalarna province in Sweden. Old Tjikko originally gained fame as the …

Authentication and Authorization

Available Languages: en | es | fr | ja | ko | tr<p>Authentication is any process by which you verify that someone is who they claim they are. …

P: A programming language designed for asynchrony, fault-tolerance and uncertainty

May 19, 2017 | By Microsoft blog editor<p><i>By Shaz Qadeer, Principal Researcher</i><p>The complexity of emerging software applications requires new approaches …

Stemming the Flood - How to Rate Limit an API

If an API is implemented correctly, the number of users utilizing a service can be staggering. Millions of users and devices connect to the internet …

Monte Carlo method

Not to be confused with Monte Carlo algorithm.<p><b>Monte Carlo methods</b> (or <b>Monte Carlo experiments</b>) are a broad class of computational algorithms that rely …

Linux perf Examples

perf Examples<p>Image license: creative commons Attribution-ShareAlike 4.0.<p>These are some examples of using the perf Linux profiler, which has also been …

CPU Utilization is Wrong

The metric we all use for CPU utilization is deeply misleading, and getting worse every year. What is CPU utilization? How busy your processors are? …

Timesharing

Elastic tabstops - a better way to indent and align code

• Home<br>• Updates<br>• Elastic Notepad<br>• Visual Studio<p>Intro - the status quo sucks<p>Since the days of the character mapped display, programmers have argued over …

Web Development

How to use interfaces in Go

Before I started programming Go, I was doing most of my work with Python. As a Python programmer, I found that learning to use interfaces in Go was …

APIs

Antipsychotic

<b>Antipsychotics</b>, also known as <b>neuroleptics</b> or <b>major tranquilizers</b>,[1] are a class of medication primarily used to manage psychosis (including …

Dopamine antagonist

A <b>dopamine antagonist</b> (antidopaminergic) is a type of drug which blocks dopamine receptors by receptor antagonism. Most antipsychotics are dopamine …

Dopaminergic pathways

<b>Dopaminergic pathways</b>, sometimes called <b>dopaminergic projections</b>, are the sets of projection neurons in the brain that synthesize and release the …