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Document Schema Design
& Data Consistency
A.K.A. awesome-scale data
Kiril Savino
CTO, Founder
GameChanger Media
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GameChanger
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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
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Solving Problems
• Many small objects
• Rapid interleaved writing
• Immediate availability
• Complex representation
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The Single Query Rule
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The Single Document Rule
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Multiple Access Patterns
• Write patterns
• Edit patterns
• Read patterns
• Multiple representations
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Consistent, Eventually
• Canonical location
• Write contract
• Completeness guarantee
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Canonical Location
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Write Contract
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Completeness Rule
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The Machine
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Thanks!
gc.io/about
@kirilnyc