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23 articles · Page 2 of 2
Build CDC pipelines that stream database changes to downstream systems in real time, covering log-based capture with Debezium, event formatting, schema evolution handling, and exactly-once delivery guarantees.
Compare offset, cursor, and keyset pagination strategies with practical implementations showing performance characteristics, trade-offs, and when each approach fits your API design.
A practical breakdown of read uncommitted, read committed, repeatable read, and serializable isolation levels — with real examples of the anomalies each one prevents and the performance trade-offs involved.
A practical guide to database sharding — covering partitioning strategies, shard key selection, cross-shard queries, and the operational complexity that comes with distributing data.
Explore Redis data structures beyond simple strings — sorted sets for leaderboards, streams for event logs, HyperLogLog for cardinality, and bitmaps for feature flags.
How to configure and monitor database connection pools — covering pool sizing, leak detection, failover handling, and common misconfiguration pitfalls.
Patterns for integration tests that are reliable, fast, and catch real bugs — covering database setup, API testing, and avoiding flaky test syndrome.
Practical techniques for identifying and fixing slow SQL queries using EXPLAIN plans, indexing strategies, and query restructuring patterns.
Opening a new database connection per request is a silent performance killer — connection pools solve this with a managed set of reusable connections.
Schema changes are the most dangerous deploys — here are the patterns for zero-downtime migrations, rollback safety, and avoiding data loss.
Indexes can make or break your application's performance — here's how they work under the hood and when to use each type.