Tag archive

#nosql

Topic-specific entry points for internal linking, discovery, and deeper subject exploration.

10 articles

Bloom Filters: The Speed Secret of Modern NoSQL Databases

Bloom Filters: Avoiding the Disk Bottleneck In high-performance databases like Cassandra, RocksDB, and BigTable, the biggest performance killer is unnecessary disk I/O. When you query for a key that doesn't exist, the da…

Apr 20, 20262 min read

Deep Dive

#databases#bloom-filters#nosql

DatabasesAdvanced

Cassandra Internals: LSM-Trees, Gossip, and Eventual Consistency

Cassandra Internals: Built for Scale Apache Cassandra is a peer-to-peer distributed database designed to handle massive amounts of data across many commodity servers. Its "Masterless" architecture and high write throughp…

Apr 20, 20262 min read

Deep Dive

#cassandra#databases#lsm-trees

DatabasesAdvanced

NoSQL Schema Evolution: Strategies for Zero-Downtime Data Growth

NoSQL Schema Evolution: Managing Data over Time The biggest lie in software engineering is that NoSQL is "schema-less." In reality, it's just schema-on-read. While the database doesn't enforce a structure, your applicati…

Apr 20, 20263 min read

Deep Dive

#nosql#databases#schema-design

System DesignAdvanced

Multi-Tenancy in NoSQL: Data Isolation Strategies for SaaS

Multi-Tenancy in NoSQL: Designing for SaaS Scale Building a Software-as-a-Service (SaaS) application requires a fundamental decision: how to isolate data for different customers (tenants). In the NoSQL world, there are t…

Apr 20, 20262 min read

Deep Dive

#multi-tenancy#saas#nosql

System DesignBeginner

The Saga Pattern: Managing Distributed Transactions in NoSQL

The Saga Pattern: Consistency Without Distributed Locks In a microservices architecture, a single business process (like "Order Placement") often spans multiple services and databases. Since NoSQL databases don't support…

Apr 20, 20262 min read

Deep Dive

#distributed-transactions#microservices#saga-pattern

DatabasesAdvanced

SQL vs NoSQL: Which One for Your Next Production MVP?

SQL vs NoSQL: Making the Right Choice One of the most debated topics in software engineering is whether to use a Relational (SQL) or Non-Relational (NoSQL) database. As a senior engineer, your choice shouldn't be based o…

Apr 20, 20262 min read

ComparisonBackend Systems Mastery

#sql#nosql#databases

DatabasesAdvanced

Zero-Downtime Migration: Moving from SQL to NoSQL

Zero-Downtime Migration: Moving from SQL to NoSQL Migrating a live production system from a relational database (like PostgreSQL) to NoSQL (like DynamoDB or MongoDB) is like changing an airplane engine in mid-flight. You…

Apr 20, 20262 min read

Deep Dive

#data-migration#sql#nosql

DatabasesAdvanced

Cassandra Data Modeling: Design for Queries, Not Entities

Cassandra is a write-optimized distributed database built for linear horizontal scalability. It stores data in a distributed hash ring — every node is equal, there's no primary, and data placement is determined by partit…

Jun 18, 20259 min read

Deep Dive

#cassandra#nosql#data modeling

DatabasesAdvanced

DynamoDB Advanced Patterns: Single-Table Design and Beyond

DynamoDB is a fully managed key-value and document database that delivers single-digit millisecond performance at any scale. It achieves this with a fundamental constraint: you must define your access patterns before you…

Jun 13, 20259 min read

Deep Dive

#dynamodb#aws#nosql

DatabasesAdvanced

PostgreSQL vs MongoDB vs DynamoDB: When to Use Which Database

Every database choice is a bet on your access patterns. PostgreSQL, MongoDB, and DynamoDB are all excellent databases — for different problems. The mistake engineers make is choosing based on hype ("NoSQL scales better")…

Jan 12, 202511 min read

Comparison

#postgresql#mongodb#dynamodb