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tech deep-dive

Is PostgreSQL Really Enough? Don't Rush to Adopt Specialized Databases

Most teams don't need five databases. PostgreSQL's extension ecosystem covers caching, queues, full-text search, and vector search — but the real decision isn't 'can it do it' but 'where does ops cost cross performance needs.'

#postgresql#database#redis#clickhouse#architecture#pgvector
tech guide

ClickHouse: When PostgreSQL Analytics Queries Start Slowing Down, You Need OLAP

ClickHouse is a column-oriented OLAP database that scans hundreds of millions of rows in seconds. DaoDao uses it to record user behavior events for the AI recommendation engine's feature engineering, letting PostgreSQL focus on transactional data.

#clickhouse#analytics#olap#database