ClickHouse vs. Legacy SQL: A 50x Speed Miracle
Client: B2B SaaS Platform (10M+ records, enterprise users)
Problem 1
Legacy SQL database timed out on complex searches (>60 sec or timeout error)
Problem 2
Users couldn’t customize search fields or output columns
"Our clients threatened to churn over unusable analytics."
Our Solution
1
Database Revolution
Migrated to ClickHouse (column-oriented DB) → 50x faster queries.
Optimized data models.
2
Smart Web Interface
Customized field selectors (users choose search parameters).
Custom output column selection.
Added caching for frequent queries.
Implemented granular user access levels.
Results in 6 Months
0.5 sec
average search time (vs. 60+ sec previously).
Strategy
tiered pricing strategy that generated new subscription revenue.