Vacuum and table dependency issues under rapid workload scaling

7/10 High

As agentic workloads caused 50x increase in branch creation, Neon experienced classic PostgreSQL failure modes including query plan drift and slow vacuum operations. Tables became more dependent on aggressive vacuuming, creating performance bottlenecks that weren't anticipated in the original system design.

PostgreSQL
Category
performance
Workaround
partial
Stage
deploy
Freshness
persistent
Scope
framework
Upstream
open
Recurring
Yes
Buyer Type
enterprise
Maintainer
active

Sources

Collection History

Query: “What are the most common pain points with Neon for developers in 2025?”4/6/2026

Some queries switched to different Postgres execution plans, and tables became more dependent on aggressive vacuuming. While we are a Postgres company, we experienced classic Postgres failure modes with increased load: query plan drift and slow vacuum.

Created: 4/6/2026Updated: 4/6/2026