Thread Design Considerations
Thread Data Structures A user-level threading library has its own user-level thread data structure to represent threads in order to schedule and synchronize ...
Recent posts
Building a Serverless Function using Amazon API Gateway and AWS Lambda
This post is a quick tutorial to build a very simple serverless function using Amazon API Gateway and AWS Lambda.
Consumer-Driven Contract Testing with Pact
Consumer-driven contract testing (or CDC for short) is a testing methodology that ensures that providers are compatible with the expectations that the consum...
Single Responsibility Principle - explained with examples
The single-responsibility principle is one of the SOLID principles, the most widely accepted software design guide. I intentionally added “widely accepted” t...
Creating a VPC with AWS CDK
The AWS CDK(Cloud Development Kit) is an open-source framework to provision and manage the cloud resources using familiar programming languages.
pthreads
pthreads stands for POSIX Threads which is the de facto standard threading related API that operating systems need to support for thread managements. Almost ...
Threads and Concurrency
A traditional process has a single execution context that can only execute at one CPU at a given point of time. If a process can have multiple execution cont...
Processes
Definition A process is an instance of an executing program. It is also referred to as a “task” or “job”.
Operating System Overview
Definition An operating system, or OS, is just a software that abstracts and arbitrates the underlying hardware components in computer systems.
Redlock: Distributed Lock Manager with Redis
A couple years ago, I discovered an issue caused by a race condition that occured in the backend application I was maintaining. So I implemented a simple dis...