Tag: #dynamodb

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• Consistent Hashing Complete Guide 2025: Virtual Nodes, Jump Hash, Rendezvous, and the Core Building Block of Distributed Systems

  How DynamoDB, Cassandra, and Memcached minimize data movement when nodes are added or removed. A 700-line deep dive on Consistent Hashing, from first principles to virtual nodes (vnodes), Jump Hash, Rendezvous Hashing, a

  2026-04-15 · 16 min read #consistent-hashing#distributed-systems#sharding#virtual-nodes#jump-hash

• AWS Core Services Complete Guide 2025: EC2, S3, RDS, Lambda, VPC, IAM Deep Dive

  Everything about AWS core services! EC2 (instances/Auto Scaling), S3 (storage classes/lifecycle), RDS (Multi-AZ/Read Replicas), Lambda (serverless), VPC (network design), IAM (security), CloudFront (CDN), DynamoDB (NoSQL

  2026-03-25 · 22 min read #aws#ec2#s3#rds#lambda

• Database Complete Comparison 2025: PostgreSQL vs MySQL vs MongoDB vs Redis — Selection Guide ♪ Listenable

  Everything about database selection in 2025! PostgreSQL (JSONB+pgvector), MySQL (HeatWave ML), MongoDB (Atlas Vector Search), Redis (Stack/Search) — architecture, performance benchmarks, cost comparison, use-case selecti

  2026-03-23 · 29 min read #database#postgresql#mysql#mongodb#redis

• AWS Developer Associate (DVA-C02) Practice Exam — 65 Questions ♪ Listenable

  AWS Certified Developer Associate DVA-C02 practice exam with 65 questions. Covers Lambda, DynamoDB, API Gateway, SQS, Cognito, CodeDeploy, and more.

  2026-03-17 · 32 min read #aws#dva-c02#developercertification#aws-certification#lambda

• AWS Database Specialty (DBS-C01) Practice Exam — 65 Questions ♪ Listenable

  AWS Certified Database Specialty (DBS-C01) practice exam with 65 questions covering all domains: RDS, Aurora, DynamoDB, ElastiCache, DocumentDB, and Neptune. Includes realistic migration and architecture scenarios.

  2026-03-17 · 33 min read #aws#dbs-c01#database#aws-certification#rds