Elysiate blog
Practical guides for privacy-first developer tools, SEO and content operations, data and file workflows, cloud and API security, AI engineering, and sustainable freelance work. Everything here supports the same philosophy as our browser-based utilities: your data stays on your device until you choose otherwise.
For tabular data, the CSV tools hub covers validation and conversion in the browser, and the CSV topic index lists every CSV-tagged guide in one place.
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- How to Find Slow Queries in PostgreSQL
A practical guide to finding slow queries in PostgreSQL, with real workflows for pg_stat_statements, EXPLAIN ANALYZE, pg_stat_activity, log_min_duration_statement, and production-safe troubleshooting.
- How to Design a Fast PostgreSQL Schema
A practical guide to designing a fast PostgreSQL schema, with clear advice on data types, table layout, indexes, normalization, JSONB, row width, and production-friendly growth patterns.
- Common PostgreSQL Performance Bottlenecks and Fixes
A practical guide to common PostgreSQL performance bottlenecks and fixes, with clear advice on diagnosing slow queries, planner issues, indexing mistakes, vacuum problems, memory pressure, and application-side causes.
- Common PostgreSQL Mistakes Developers Make
A practical guide to the most common PostgreSQL mistakes developers make, with fixes for schema design, indexing, transactions, migrations, JSONB, pooling, and production-safe query habits.
- Best PostgreSQL Tips for Backend Developers
A practical guide to the best PostgreSQL tips for backend developers, with real advice on schema design, indexes, query tuning, JSONB usage, transactions, and production-friendly database habits.
- Best PostgreSQL Indexes for Performance
A practical guide to the best PostgreSQL indexes for performance, with examples for common query patterns and the mistakes that make indexes slower instead of faster.
- Best PostgreSQL Data Types for Performance
A practical guide to choosing the best PostgreSQL data types for performance, storage efficiency, indexing, and long-term schema design.
- API Authentication in 2026: OAuth 2.0, JWT, API Keys, and mTLS Compared
Learn when to use OAuth 2.0, JWT, API keys, or mTLS for APIs, including token design, revocation, key rotation, certificate handling, rate limiting, and secure implementation patterns.
- API Gateway Rate Limiting Strategies in 2026: Ocelot, YARP, and Kong
Learn how to design and implement API gateway rate limiting with Ocelot, YARP, and Kong, including distributed storage, token bucket algorithms, per-client policies, rate limit headers, and production hardening.
- API Gateway Authentication Patterns in 2026: JWT, OAuth2, API Keys, and mTLS
Learn how to secure API gateways with JWT, OAuth2, API keys, and mTLS, including token validation, refresh strategies, service-to-service identity, forwarding claims, monitoring, and production hardening.