{"type":"excalidraw","version":2,"source":"https://AwesomeSystemDesign.dev","elements":[{"angle":0,"strokeColor":"#6577aa","backgroundColor":"#eef1fc","fillStyle":"solid","strokeWidth":1.5,"strokeStyle":"solid","roughness":0.7,"opacity":100,"version":1,"versionNonce":1,"isDeleted":false,"groupIds":["step-1"],"frameId":null,"roundness":null,"boundElements":[{"type":"text","id":"shape-1"}],"updated":0,"link":null,"locked":false,"id":"shape-0","type":"rectangle","seed":41,"x":16,"y":16,"width":288,"height":93.2,"customData":{"revealStep":1}},{"angle":0,"strokeColor":"#394557","backgroundColor":"transparent","fillStyle":"solid","strokeWidth":1.5,"strokeStyle":"solid","roughness":0.7,"opacity":100,"version":1,"versionNonce":1,"isDeleted":false,"groupIds":["step-1"],"frameId":null,"roundness":null,"boundElements":null,"updated":0,"link":null,"locked":false,"id":"shape-1","type":"text","seed":114,"x":36,"y":34,"width":248,"height":57.2,"fontSize":22,"fontFamily":1,"text":"Service | Scale Driver\n| Consistency","originalText":"Service | Scale Driver\n| Consistency","textAlign":"left","verticalAlign":"middle","containerId":"shape-0","lineHeight":1.3,"autoResize":false,"customData":{"revealStep":1}},{"angle":0,"strokeColor":"#6577aa","backgroundColor":"#eef1fc","fillStyle":"solid","strokeWidth":1.5,"strokeStyle":"solid","roughness":0.7,"opacity":100,"version":1,"versionNonce":1,"isDeleted":false,"groupIds":["step-2"],"frameId":null,"roundness":null,"boundElements":[{"type":"text","id":"shape-3"}],"updated":0,"link":null,"locked":false,"id":"shape-2","type":"rectangle","seed":187,"x":16,"y":153.2,"width":288,"height":665.2,"customData":{"revealStep":2}},{"angle":0,"strokeColor":"#394557","backgroundColor":"transparent","fillStyle":"solid","strokeWidth":1.5,"strokeStyle":"solid","roughness":0.7,"opacity":100,"version":1,"versionNonce":1,"isDeleted":false,"groupIds":["step-2"],"frameId":null,"roundness":null,"boundElements":null,"updated":0,"link":null,"locked":false,"id":"shape-3","type":"text","seed":260,"x":36,"y":171.2,"width":248,"height":629.2,"fontSize":22,"fontFamily":1,"text":"Product Catalog |\nRead-heavy (58K\nRPS)| Eventual OK\nSearch | Read-heavy\n(12K RPS)| Eventual\nOK\nCart | Session-bound\n| Per-user strong\nInventory | Write-hot\n(flash) | STRONG\nrequired\nOrder | Write-heavy\n(TPS) | STRONG\nrequired\nReview | Write-light |\nEventual OK\nRecommendation |\nCompute-heavy |\nEventual OK\nPricing / Promotion |\nRead-heavy | Strong\n($$)","originalText":"Product Catalog |\nRead-heavy (58K\nRPS)| Eventual OK\nSearch | Read-heavy\n(12K RPS)| Eventual\nOK\nCart | Session-bound\n| Per-user strong\nInventory | Write-hot\n(flash) | STRONG\nrequired\nOrder | Write-heavy\n(TPS) | STRONG\nrequired\nReview | Write-light |\nEventual OK\nRecommendation |\nCompute-heavy |\nEventual OK\nPricing / Promotion |\nRead-heavy | Strong\n($$)","textAlign":"left","verticalAlign":"middle","containerId":"shape-2","lineHeight":1.3,"autoResize":false,"customData":{"revealStep":2}},{"angle":0,"strokeColor":"#a68a53","backgroundColor":"#fff7e6","fillStyle":"solid","strokeWidth":1.5,"strokeStyle":"solid","roughness":0.7,"opacity":100,"version":1,"versionNonce":1,"isDeleted":false,"groupIds":["step-3"],"frameId":null,"roundness":null,"boundElements":[{"type":"text","id":"shape-5"}],"updated":0,"link":null,"locked":false,"id":"shape-4","type":"rectangle","seed":333,"x":16,"y":862.4000000000001,"width":288,"height":894,"customData":{"revealStep":3}},{"angle":0,"strokeColor":"#394557","backgroundColor":"transparent","fillStyle":"solid","strokeWidth":1.5,"strokeStyle":"solid","roughness":0.7,"opacity":100,"version":1,"versionNonce":1,"isDeleted":false,"groupIds":["step-3"],"frameId":null,"roundness":null,"boundElements":null,"updated":0,"link":null,"locked":false,"id":"shape-5","type":"text","seed":406,"x":36,"y":880.4000000000001,"width":248,"height":858,"fontSize":22,"fontFamily":1,"text":"Why These Service\nBoundaries?\n\nPrinciple: Separate\nservices that scale\nindependently\nand have different\nconsistency/latency\nrequirements\n\nInventory and Order\nare the core\ntransactional\nservices:\n→ ACID, strong\nconsistency,\nPostgreSQL\n→ Smaller, more\ntightly controlled\n\nProduct, Search,\nReview,\nRecommendation are\nread-heavy:\n→ Eventually\nconsistent, heavily\ncached\n→ Scale independently\nwith caching + read\nreplicas","originalText":"Why These Service\nBoundaries?\n\nPrinciple: Separate\nservices that scale\nindependently\nand have different\nconsistency/latency\nrequirements\n\nInventory and Order\nare the core\ntransactional\nservices:\n→ ACID, strong\nconsistency,\nPostgreSQL\n→ Smaller, more\ntightly controlled\n\nProduct, Search,\nReview,\nRecommendation are\nread-heavy:\n→ Eventually\nconsistent, heavily\ncached\n→ Scale independently\nwith caching + read\nreplicas","textAlign":"left","verticalAlign":"middle","containerId":"shape-4","lineHeight":1.3,"autoResize":false,"customData":{"revealStep":3}}],"appState":{"viewBackgroundColor":"#fbfbf8","gridSize":null},"files":{}}