#snapshot-isolation

YugabyteDB Cross-Tablet Transactions: Raft, HLC, and 2PC Design Boundaries

A cross-tablet transaction in YugabyteDB cannot commit on one disk. This architecture note explains how Raft groups, leaseholders, and a two-phase commit variant preserve atomicity, what to inspect with yb-admin, and when clock skew or hotspotting changes the design.

raft-consensusyugabytedbdistributed-transactionsTasadduq Burneyowner35.3K rep · 09 Oct 2025, 11:31 UTC