The value prop for customers vs Elasticsearch are: - ACID w/ JOINs - Real-time indexing under UPDATE-heavy workloads. Instacart wrote about this, they had to

The value prop for customers vs Elasticsearch are: - ACID w/ JOINs - Real-time indexing under UPDATE-heavy workloads. Instacart wrote about this, they had to move away from Elasticsearch during COVID because of this problem: https://tech.instacart.com/how-instacart-built-a-modern-search-infrastructure-on-postgres-c528fa601d54 https://tech.instacart.com/how-instacart-built-a-modern-sear... Beyond these two benefits, then the added benefits are: - Infrastructure simplification (no need for ETL) - Lower costs Speaking the wire protocol is nice, but it's not worth much.