What is a Stateful Database?A stateful database is a type of database system that retains information about past interactions or states and uses this information to process subsequent requests.In essence,it remembers the "state" of the data over time.This ...
To build a capital business service environment in the US,key technology and standards considerations demand a cloud-native,microservices architecture designed for high availability,low latency,and extreme scalability within its operating environment.Absol...
Below is from Alex Xu.The Data Engineering RoadmapData engineering has become the backbone of effective data analysis.It involves managing,processing,and optimizing data to derive actionable insights.Here’s a roadmap that can help you get better at data e...
While both Redis and Memcached are powerful,open-source,in-memory data stores,their architectural philosophies differ significantly.Understanding why major tech companies (such as Netflix,Uber,Twitter,and Airbnb) overwhelmingly favor Redis requires a deep ...
One might easily think that media & entertainment companies just need to make good movies.However,if you look deeper,there are many things to meticulously consider and think about,beyond just casting actors for high fees.The media and entertainment industr...
Tailscale OverviewTailscale is a secure mesh VPN that builds on the WireGuard protocol.It creates a private network among your devices,enabling them to communicate directly and securely,regardless of their physical location or the networks they are connect...
GraphQL offers several advantages over REST APIs,including fetching only the data a client needs,reducing over-fetching and under-fetching issues prevalent in REST.This leads to improved performance,especially on mobile devices with limited bandwidth.Graph...
If you're targeting the United States financial market,it includes strict security and compliance requirements,especially when dealing with financial data,personal identifiable information (PII),or payments. 🇺🇸 U.S.Financial Regulatory Environment Overvi...
Implementing APIs can present a variety of challenges across different phases of the development lifecycle.Here's a breakdown of common test challenges:1.Design and Planning Phase::Defining Clear Requirements: Ambiguous or poorly defined requirements lead ...
Apache Kafka is a distributed,fault-tolerant,high-throughput streaming platform.Think of it as a central nervous system for your data,reliably handling real-time data feeds. Core Concepts:Producers: Applications that write (publish) data to Kafka topics.Co...
How do you create EC2 Spot InstanceA Python script to create an EC2 Spot instance using boto3.The script launches a spot instance based on an AMI,associates it with a specific security group in a given VPC,and assigns custom tags for easy identification.Pr...
A data lake is a centralized repository that stores raw,unprocessed data from various sources,regardless of structure or format,using a schema-on-read approach.It allows organizations to collect and store large volumes of data at scale,enabling them to ana...
MLOps (Machine Learning Operations)MLOps is a set of practices that aims to deploy and maintain machine learning models in production reliably and efficiently.It bridges the gap between machine learning development (ML Dev) and operations (Ops),similar to ...
A single ad exchange processing 100k requests per second generates terabytes of logs per day: impression logs (one per auction),error logs (DSP failures,timeouts),financial logs (pacing,budget,spend),and audit logs (campaign changes,user access).This torre...
Setting up an Amazon Web Services (AWS) Elastic Container Service (ECS) involves several steps to deploy containerized applications in a scalable and managed environment.AWS ECS supports Docker containers and allows you to run applications on a managed clu...
Have you ever wanted to streamline how you develop and deploy applications? Amazon Elastic Container Service (ECS) could be the game-changer you're looking for.This service allows developers to manage Docker containers on a highly scalable and secure platf...
You should check incomplete multipart uploads if your Metrics in the S3 Management Console shows larger size than you actually use. In my case,I found the total size of S3 bucket was 180TB,but actually size I uploaded based on the origin storage was 40TB.I...
If you've heard of uvicorn,you know Docker.If you've heard of gunicorn,you've served at a production level.Do you agree?. uvicorn vs.gunicorn: The Core Difference:uvicorn: An HTTP server primarily designed for Ruby applications (using the Rack interface).I...
Is AWS API Gateway a "Complete" Service That Doesn't Need DR?The short answer is:It is highly available within a single region by default,but it still requires a DR (Disaster Recovery) strategy for multi-region outages.→ It sounds' like almost yes. Region...
1.Conceptual Framework: Code-to-Container ScalingTo represent container scaling architecturally,you must treat the Docker container as an immutable,self-contained unit of execution.The application code,runtime environment,libraries,and configurations are p...
If you have an Amazon Web Service (AWS) Acount, you can get Access Key as below. [Account] –> [Security Credentials] –> [Access Credentials] For security reason, Access Key should NOT be shared with anyone.