Document Schema Design & Data Consistency

A.K.A. awesome-scale data

Kiril Savino CTO, Founder

GameChanger Media

GameChanger

Abundance & Urgency

• 15,000 games, or 5,000,000 events per DAY

• 1,100,000 games scored to date

• 320 million events and counting

• Impatient consumers

Solving Problems

• Many small objects

• Rapid interleaved writing

• Immediate availability

• Complex representation

The Single Query Rule

The Single Document Rule

Multiple Access Patterns

• Write patterns

• Edit patterns

• Read patterns

• Multiple representations

Consistent, Eventually

• Canonical location

• Write contract

• Completeness guarantee

Canonical Location

Write Contract

Completeness Rule

The Machine

Thanks!gc.io/about @kirilnyc