CODE & ALGO

  • 8 Patterns Review For Successful Coding Interview

    8 Patterns Review For Successful Coding Interview This is nothing but quick 5 min revision before going to interview. Visit https: https://codeandalgo.com for more such contents

  • Kubernetes

    Kubernetes Create new Kubernetes project Config file for creating cluster e.g. It contains one master and two worker/slave node. Command to create a cluster named ‘local’ Verification of new nodes created on kubernetes Install kubectl Option-1 to install kubectl Option-2 to install kubectl Check all the nodes / machines present in kubernetes cluster This will…

  • Tiktok System Design interview

    Tiktok System Design interview Functional Requirement Reduced scope We can skip with interview permission Non Functional Requirement Metrics Success metric: time in app – maximize (1 hours per day) Please visit https: https://codeandalgo.com for more such contents.

  • Spotify System Design interview

    Spotify System Design interview

    Spotify System Design Interview Functional Requirement Reduced scope Non Functional Requirement Metrics Database Design We need to maintain below types of data tables i.e User, Artist Song’s metadata and actual song data. Below 3 parameters decides which db to be used. Here, metadata can be modified, queried frequently, so SQL db makes sense. Raw data…

  • What is difference between Authentication & Authorisation ?

    What is difference between Authentication & Authorisation ?

    What is difference between Authentication & Authorisation ? Let’s look at the exact difference. Authentication Authentication Types 1.Something you know 2.Something you have 3.Something you are Autherisation Please visit https: https://codeandalgo.com for more such contents.

  • Amazon Timestream

    What is Amazon Timestream database? Amazon Timestream offers fully managed (serverless), purpose-built time-series database engines for workloads from low-latency queries to large-scale data ingestion. Optimised for

  • Change Data Capture (CDC)

    Problem Statement Change Data Capture Imagine you’re designing the architecture of Instagram. When users visit a profile, they need to instantly see who this person follows. Approach & potential issues This requires querying a database table containing follower-followed relationships. To make this lookup fast, we need an index on the follower column. But here’s the…