Yannis Roussos

Yannis Roussos

Principal Product Manager

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Articles by Yannis Roussos
Columnar storage isn't a columnar database. What Columnar mode brings to Elasticsearch
Elasticsearch Labs

Columnar storage isn't a columnar database. What Columnar mode brings to Elasticsearch

Elasticsearch has stored data in columns since 2013, but adding full columnar database capabilities required a new mode.

Yannis Roussos
Elasticsearch as one platform: What a second data system really costs
Elasticsearch Labs

Elasticsearch as one platform: What a second data system really costs

Running search, analytics, metrics, logs, and vector retrieval in five systems costs more than five licenses. Here's what one platform looks like in practice.

Yannis Roussos
Why Elasticsearch is becoming a columnar database
Elasticsearch Labs

Why Elasticsearch is becoming a columnar database

Elasticsearch is becoming a first-class columnar database. Columnar Mode ships in 9.5, storing data once alongside the existing modes and cutting storage footprints while speeding up analytical queries.

Yannis Roussos
Bringing it together: How we rebuilt Elasticsearch as a columnar metrics engine; 6.6x less storage, 160x faster queries
Elasticsearch Labs

Bringing it together: How we rebuilt Elasticsearch as a columnar metrics engine; 6.6x less storage, 160x faster queries

Elasticsearch metrics in version 9.4 run on a fully columnar engine: 6.6x less storage, 160x faster queries, native PromQL and OTel support.

Yannis Roussos