Show HN: PgDog – Scale Postgres without changing the app

**Show HN: PgDog – Scale Postgres without changing the app**

Lev and Justin here, authors of PgDog (https://pgdog.dev/), a connection pooler, load balancer and database sharder for PostgreSQL. If you build apps with a lot of traffic, you know the first thing to break is the database. We are solving this with a network proxy that works without requiring application code changes or database migrations.Our post from last year: https://news.ycombinator.com/item?id=44099187The most important update: we are in production. Sharding is used a lot, with direct-to-shard queries (one shard per query) working pretty much all the time. Cross-shard (or multi-database) queries are still a work in progress, but we are making headway.Aggregate functions like count(), min(), max(), avg(), stddev() and variance() are working, without refactoring the app...

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