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Database

Photo shared by ThisTechGirl | Coding & System Design on February 04, 2026 tagging @this.tech.girl. May be a graphic of blueprint, floor plan, crossword puzzle, poster and text that says "System Design BUILDING BLOCKS 8e0e LOAD BALANCER భ| CACHING DATABASE 口品 MESSAGE QUEUE Ponduers CDN CDNtigeServers tige Servers EVENT STREAMING CDN Web Content <0 -With CDN API GATEWAY Key ACCESSIBLE concepts for SCALABLE & ROBUST systems SCALABLE ROBUST systems".

Photo by ThisTechGirl | Coding & System Design on February 04, 2026. May be a graphic of poster, crossword puzzle and text that says "Load Balancer System Design Building Blocks What is it? How does it work? A load balancer efficiently DISTRIBUTES incoming network traffic across MULTIPLE SERVERS Receives user REQUESTS Inspects and ROUTES traffic Chooses the BEST AVAILABLE SERVER Distributes load based on Rules (Round Robin, Least Connections, IP Hash, etc.) Why use one? Handles high traffic Prevents server overloads → Improves FAULT TOLERANCE Key BENEFITS Receives user REQUESTS Key BENEFITS BETTER PERFORMANCE MORE RELIABILITY Inspects and ROUTES traffic Chooses the BEST AVAILABLE SERVER Distributes load based on Rules (Round Robin, Least Connections, IP Hasheta d EASY SCALING INCREASED SECURITY の0モ".

Photo by ThisTechGirl | Coding & System Design on February 04, 2026. May be a graphic of floor plan, blueprint, poster, crossword puzzle and text.

Photo by ThisTechGirl | Coding & System Design on February 04, 2026. May be a video game screenshot of map, crossword puzzle and text.

Photo by ThisTechGirl | Coding & System Design on February 04, 2026. May be an image of phone, crossword puzzle and text that says "Message Queue System Design Building Blocks What is Whatisit? it? Why use one? A message queue decouples communication between SERVICES by transmipting messages via an ASYNCHRONOUS buffer ٥ Decouples services Handles SPIKES bufferring. ٥ Ensures MESSAGE DELIVERY TEMPORARLY stores MESSAGES Improves FAULT TOLERANCE 2. ALLOWS ASYNC PROCESSING, Producer serves Droduncer server Decouples services •Handles SPIKES by buffering •Ensures MESSAGE DELIVERY Consumer server Common Message Queue Systems Point-to-Point Produccer privvies Qaafo Korfar Fan-Out 1D Multiple Multipleproducers producers Defor Worker Queues σο Gtere Donsumers മസബ Key BENEFITS DECOPLE SERVICES ool FASTER ACCESS ப BETTER SEELABILITY INCREASED FLEXIBILITY".

Photo by ThisTechGirl | Coding & System Design on February 04, 2026. May be a graphic of tablet, poster, crossword puzzle, office and text that says "Sharding What Whatisit? is it? After Sharding Sharding is a DATABASE SCALING technique where data of partitioned across multiple SERVERS called SHARDS. 010 Before Sharding Data Partitiomed After Sharding Data Partitioned 口ー Single Datebese Key Benefits Shard 1 Shard 2 Horizontal Scaling: Increased capacity Shard 3 Improved Performance: Less load per server High Availability: Each shard is independent 0".

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