Data
DynamoDB Data Modeling: How to Design Tables for Scalability and Performance
Learn how to model data in Amazon DynamoDB using access patterns, partition keys, sort keys, and GSIs with practical examples.
TCTharaka Chathuranga · · 7 min read
Topic12 articles
Data
DynamoDB, Aurora, S3 and the analytics stack: modelling, querying and moving data at scale.
Data
Why DynamoDB Throttles Even When Capacity Is Available
Why DynamoDB Throttles Even When Capacity Is Available Understand how DynamoDB partition keys, physical partitions, capacity limits, and write sharding affect application performance. Your …
Tharaka Chathuranga · · 7 min read
Data
How DynamoDB Really Works
How DynamoDB Really Works Partitions, replication, and consistency behind every read and write. Imagine your application sends a PutItem request to DynamoDB. A few milliseconds later, you get a …
Tharaka Chathuranga · · 8 min read
Data
Multi-Tenant RAG on Amazon S3 Vectors - Part 3: The Pipeline
Multi-Tenant RAG on Amazon S3 Vectors - Part 3: The Pipeline How to Implement a Multi Tenant RAG with AWS S3 Vectors Part 3 of 3. Part 1 set six requirements and argued that only a per-tenant …
Chameera Dulanga · · 10 min read
Data
Multi-Tenant RAG on Amazon S3 Vectors - Part 2: The Cost Model
Multi-Tenant RAG on Amazon S3 Vectors - Part 2: The Cost Model Part 2 of 3. Part 1 set six requirements and showed that only a per-tenant resource with its own ARN satisfies them. This part is the …
Chameera Dulanga · · 8 min read
Data
Why DynamoDB Uses Eventual Consistency
Why DynamoDB Uses Eventual Consistency Understanding Replication, Partitions, and Leader Nodes in Eventual Consistency If you’ve ever worked with Amazon DynamoDB, you’ve probably come across …
Maleesha Nuwanthi Kolombage · · 6 min read
Data
AWS DynamoDB Eventual Consistency VS Strong Consistency
AWS DynamoDB Eventual Consistency VS Strong Consistency Amazon DynamoDB reads data from tables, local secondary indexes (LSIs), global secondary indexes (GSIs), and streams. Both tables and LSIs …
Maleesha Nuwanthi Kolombage · · 3 min read
Data
Amazon S3 Account Regional Namespaces
Amazon S3 Account Regional Namespaces Simplifying S3 Bucket Naming Across AWS Regions Cloud storage is at the heart of modern applications, and Amazon S3 (Simple Storage Service) has long been one of …
Maleesha Nuwanthi Kolombage · · 2 min read
Data
GSI vs LSI in DynamoDB
GSI vs LSI in DynamoDB Difference between GSI and LSI in DynamoDB When you start learning DynamoDB, one thing becomes clear very quickly: how you design your keys decides how well your table works …
Yugeesha Gomes · · 5 min read
Data
Choosing the Right AWS Database: SQL vs NoSQL in the Cloud (RDS vs Aurora vs DynamoDB)
Choosing the Right AWS Database: SQL vs NoSQL in the Cloud (RDS vs Aurora vs DynamoDB) When you create a app , At first it’s simple: one app, one database. Then the system grows: a background …
Bhathiya Ranasinghe · · 4 min read
Data
AWS EBS vs EFS vs S3
AWS EBS vs EFS vs S3 How to Choose the Best AWS Storage Option for Your Project Amazon web services are widely used around the world for storage options. However, choosing a storage option is not …
Chameera Dulanga · · 3 min read
Data
Managing Database Connections with Amazon RDS Proxy
Managing Database Connections with Amazon RDS Proxy
Chameera Dulanga · · 6 min read