KAFKA & WEBSOCKETS · DAY 024
Monitoring consumer lag: real-world lessons and examples
Expona Admin · Oct 27, 2026 · 6 min read
Tag · 460 articles · 1 interview series
#Testing
Practical Testing articles, guides and code examples from the Expona engineering blog.
Articles
460 articles
KAFKA & WEBSOCKETS · DAY 034
Log compaction: a Kafka & WebSockets guide for developers
Expona Admin · Oct 27, 2026 · 8 min read
KAFKA & WEBSOCKETS · DAY 035
Compacted topics as a source of truth: a practical guide
Expona Admin · Oct 27, 2026 · 8 min read
KAFKA & WEBSOCKETS · DAY 041
Retention policies: a practical Kafka & WebSockets guide
Expona Admin · Oct 27, 2026 · 9 min read
KAFKA & WEBSOCKETS · DAY 044
Testing Kafka applications: patterns, pitfalls and fixes
Expona Admin · Oct 27, 2026 · 10 min read
KAFKA & WEBSOCKETS · DAY 048
Case study: live ride tracking — lessons from production
Expona Admin · Oct 27, 2026 · 8 min read
KAFKA & WEBSOCKETS · DAY 063
Connection limits and file descriptors, explained simply
Expona Admin · Oct 27, 2026 · 8 min read
KAFKA & WEBSOCKETS · DAY 068
Live location tracking architecture in Kafka & WebSockets
Expona Admin · Oct 27, 2026 · 9 min read
KAFKA & WEBSOCKETS · DAY 070
Real-time market data fan-out: best practices explained
Expona Admin · Oct 27, 2026 · 7 min read
KAFKA & WEBSOCKETS · DAY 090
Load testing WebSockets: real-world lessons and examples
Expona Admin · Oct 27, 2026 · 8 min read
KAFKA & WEBSOCKETS · DAY 091
Test reconnect storms for Kafka & WebSockets developers
Expona Admin · Oct 27, 2026 · 14 min read
KAFKA & WEBSOCKETS · DAY 098
My real-time systems checklist: best practices explained
Expona Admin · Oct 27, 2026 · 8 min read
AWS FOR DEVELOPERS · DAY 032
S3 deep dive: a practical AWS guide for working engineers
Expona Admin · Oct 27, 2026 · 6 min read
AWS FOR DEVELOPERS · DAY 045
Consider Valkey on ElastiCache: best practices explained
Expona Admin · Oct 27, 2026 · 7 min read
AWS FOR DEVELOPERS · DAY 053
Route 53 health checks and failover in AWS for Developers
Expona Admin · Oct 27, 2026 · 6 min read
AWS FOR DEVELOPERS · DAY 057
Rotate database credentials: AWS lessons from production
Expona Admin · Oct 27, 2026 · 8 min read
AWS FOR DEVELOPERS · DAY 065
CDK in TypeScript: what every AWS developer should know
Expona Admin · Oct 27, 2026 · 6 min read
AWS FOR DEVELOPERS · DAY 071
Blue/green deployments on AWS: best practices explained
Expona Admin · Oct 27, 2026 · 8 min read
AWS FOR DEVELOPERS · DAY 083
Multi-AZ by default: what every AWS developer should know
Expona Admin · Oct 27, 2026 · 9 min read
AWS FOR DEVELOPERS · DAY 084
Disaster recovery strategies: a AWS guide for developers
Expona Admin · Oct 27, 2026 · 10 min read