Ignoring MongoDB indexes until performance drops

5/10 Medium

MongoDB feels fast with small datasets even without indexes. As data grows, unindexed queries suddenly become slow, forcing full collection scans. Developers often ignore indexing until performance issues force attention.

MongoDB
Category
performance
Workaround
partial
Stage
debug
Freshness
persistent
Scope
single_lib
Recurring
Yes
Buyer Type
individual

Sources

Collection History

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

MongoDB feels extremely fast with small datasets, even without indexes. As data grows, unindexed queries can suddenly become slow. MongoDB performs full collection scans.

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