Answer
Flat key-space enables fast prefix scans, simple watches, and predictable performance.
Quick Answer
Raft requires that all state machine updates go through a leader and be replicated to a majority. A hierarchical tree structure with parent-child relationships would require multi-key transactions for atomic updates — complex and slow in Raft. A flat key-value model means each object is one key — single-key reads and writes are atomic and simple to replicate.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ