Topical Pillar

Database Operations & Optimization

Harden and scale your transaction databases. Explore in-depth engineering guides for fine-tuning indexes, structuring zero-downtime database migrations, and configuring memory cache architectures.

Pillar Index (25 Guides)

📅 May 30, 2026 ✍️ DexNox Dev

PostgreSQL Index Optimization: Resolving Slow Queries

A practical guide to analyzing execution plans, composite index orders, and index bloat in PostgreSQL.

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📅 May 29, 2026 ✍️ DexNox Dev

Zero-Downtime Database Migrations: The Expand and Contract Pattern

Learn how to use the Expand and Contract pattern to update your database schemas without taking your application offline.

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📅 May 28, 2026 ✍️ DexNox Dev

Postgres Connection Pooling: PgBouncer vs Supabase Supavisor

We compare PgBouncer and Supavisor to optimize database connection pooling for serverless architectures.

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📅 May 20, 2026 ✍️ DexNox Dev

Cassandra Distributed Storage: Tuning Partition Keys

Avoid data hot-spots in wide-column database clusters.

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📅 May 20, 2026 ✍️ DexNox Dev

Configuring Postgres SSL: Client Certificate Authentication

Secure database connections against intercept attacks.

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📅 May 20, 2026 ✍️ DexNox Dev

Database Backup Strategies: Point-in-Time Recovery (PITR)

Protect your data from loss using automated archive logs.

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📅 May 20, 2026 ✍️ DexNox Dev

Database Indexing: Structuring Efficient Composite Keys

Order index columns correctly to maximize query speeds.

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📅 May 20, 2026 ✍️ DexNox Dev

DynamoDB Single-Table Design: Modeling Complex Schemas

Retrieve nested entities in a single query request.

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📅 May 20, 2026 ✍️ DexNox Dev

Elasticsearch Indexing: Designing Shard Allocations

Optimize search speeds across multi-node clusters.

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📅 May 20, 2026 ✍️ DexNox Dev

MongoDB Aggregation Pipelines: Optimizing Memory Usage

Avoid pipeline memory errors using index matching.

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📅 May 20, 2026 ✍️ DexNox Dev

MongoDB Indexing: Designing covered Queries

Speed up query response times by serving data directly from index files.

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📅 May 20, 2026 ✍️ DexNox Dev

MySQL Performance Tuning: Optimizing InnoDB Buffer Pools

Speed up query response times by caching index lists.

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📅 May 20, 2026 ✍️ DexNox Dev

Postgres Transactions: Resolving Deadlocks and Locks

Optimize transaction execution order to prevent lock timeouts.

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📅 May 20, 2026 ✍️ DexNox Dev

PostgreSQL EXPLAIN ANALYZE: Deciphering Query Plans

Locate query bottlenecks by reading node scan costs.

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📅 May 20, 2026 ✍️ DexNox Dev

Postgres Fine-Tuning: Optimizing shared_buffers and work_mem

Tune memory parameters to speed up database calculations.

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📅 May 20, 2026 ✍️ DexNox Dev

Postgres Foreign Data Wrappers (FDW): Querying Across DBs

Link and query remote database tables directly.

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📅 May 20, 2026 ✍️ DexNox Dev

Postgres Partitioning: Managing Large Time-Series Tables

Improve search speeds by splitting large tables into partitions.

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📅 May 20, 2026 ✍️ DexNox Dev

Postgres Read Replicas: Scaling Read-Heavy Applications

Distribute database read loads using proxy load balancers.

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📅 May 20, 2026 ✍️ DexNox Dev

Harden Application Tenancy: Postgres Row Level Security (RLS)

Isolate user data directly at the database engine level.

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📅 May 20, 2026 ✍️ DexNox Dev

PostgreSQL Auto-Vacuum: Resolving Disk Bloat

Tuning autovacuum parameters to reclaim disk space.

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📅 May 20, 2026 ✍️ DexNox Dev

PostgreSQL Vector Search: Configuring pgvector Indexes

Enable semantic search directly inside your relational database.

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📅 May 20, 2026 ✍️ DexNox Dev

Redis Cache Invalidation: Cache-Aside vs Write-Through

Select the optimal database caching pattern for your application.

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📅 May 20, 2026 ✍️ DexNox Dev

Redis Cluster: Configuring Sharding and Replication Pools

Scale in-memory caches to handle millions of requests.

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📅 May 20, 2026 ✍️ DexNox Dev

Scaling Databases: Horizontal Sharding vs Vertical Scaling

Decide when to shard database writes across nodes.

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📅 May 20, 2026 ✍️ DexNox Dev

Zero-Downtime Postgres Major Upgrades: Using Logical Replication

Upgrade database versions safely without service interruptions.

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