Stefan Zhelev
Data Professional
phone
WhatsApp
PDF

Data Storage

Columnar OLAP database serving as the platform's analytical warehouse for sub-second queries over billions of rows.

image

Objective

Sub-second analytical queries on billions of rows — a columnar OLAP database powering dashboards, ad-hoc analysis, and event-style data products without breaking the budget.

Open Source Alternatives

ClickHouse — 9 / 10

Best-in-class columnar engine for self-hosted analytics. Outstanding performance per dollar at scale, broad SQL support, native materialized views, and a thriving open-source community. Requires careful schema and sort-key design — sloppy SQL disappoints.

DuckDB — 8 / 10

Brilliant single-node analytical database. Embedded, fast, increasingly capable, and free. Not distributed, so it’s a complement to ClickHouse (local dev, embedded analytics) rather than a replacement.

StarRocks — 8 / 10

ClickHouse-class performance with stronger MySQL-protocol compatibility and concurrency. Smaller community and shorter production track record than ClickHouse.

Apache Doris — 8 / 10

Similar position to StarRocks — high-concurrency real-time analytics, MySQL protocol. Smaller community in Western markets.

Trino — 7 / 10

Federated query engine, not a storage engine. Pairs with object storage or other databases for cross-source analytics. Different category — useful when one engine alone can’t reach the data.

Apache Druid — 7 / 10

Time-series analytics engine with strong real-time ingest. Specialized; narrower use case than ClickHouse, more operational complexity.

Managed SaaS Alternatives

Snowflake — 9 / 10

The managed warehouse leader. Outstanding governance, true separation of compute and storage, excellent SQL ergonomics. Premium pricing — easily 5-10× more expensive than self-hosted ClickHouse for equivalent throughput.

BigQuery — 9 / 10

Google Cloud’s serverless analytics engine. Excellent for ad-hoc, streaming, and ML-adjacent workloads. GCP-specific lock-in; on-demand pricing can produce surprise bills.

Databricks SQL — 8 / 10

Lakehouse-style analytics on Delta Lake. Strong for unified BI + ML on the same dataset. Heavier ecosystem to learn and operate; enterprise pricing.

ClickHouse Cloud — 8 / 10

Managed ClickHouse from the ClickHouse company itself. Same engine, hosted — the right pick when you want ClickHouse performance without operating it.

Amazon Redshift — 7 / 10

The AWS-native warehouse. Mature; evolving slower than newer entrants. Strong fit for AWS-locked teams.

MotherDuck — 7 / 10

Managed DuckDB with cloud-scale extensions. Newer category; promising for hybrid local-and-cloud analytics.

Starburst (managed Trino) — 7 / 10

Managed Trino with enterprise governance. Federated queries across lakes and warehouses as a service.

Scoring summary

Tool Score Type Best for
ClickHouse 9 OSS Self-hosted OLAP at scale
Snowflake 9 SaaS Managed enterprise warehouse
BigQuery 9 SaaS GCP-native serverless analytics
Databricks SQL 8 SaaS Unified lakehouse + ML
DuckDB 8 OSS Single-node / embedded analytics
StarRocks 8 OSS High-concurrency real-time analytics
Apache Doris 8 OSS Real-time analytics, MySQL protocol
ClickHouse Cloud 8 SaaS Managed ClickHouse
Redshift 7 SaaS AWS-native warehouse
Trino 7 OSS Federated queries
MotherDuck 7 SaaS Hybrid local + cloud DuckDB
Starburst 7 SaaS Managed Trino
Apache Druid 7 OSS Real-time time-series analytics

Top in this category

Top OSS pick: ClickHouse. Top managed pick: Snowflake (broad) or BigQuery (GCP-native).

ClickHouse is the unambiguous top for cost-conscious self-hosted analytics. Snowflake is the top managed option when budget isn’t the constraint. This stack’s pick is the top of its specific subcategory.

Work Experience

Epic Data Operations 7 months
Octopyth Data Engineering and Operations 1 year 11 months
MiFinity Business Intellignece Manager (1 direct report) 7 months
Nexo Senior Data Engineer (2 direct reports) 1 year 10 months
Rank Interactive Senior Data Analyst 1 year 8 months
IBM Predictive Analytics and Reporting 1 year 1 month
Hewlett-Packard Service Level Management and Reporting 6 years 2 months