Inside YugabyteDB: Architecture, Tablet Storage, and Distributed Transactions

This article explains YugabyteDB's two‑layer logical architecture, its tablet‑based distributed storage built on Raft groups, the RocksDB‑backed local DocDB, and how it implements distributed transactions using Hybrid Logical Clocks, two‑phase commit, and MVCC, while comparing it with TiDB, CockroachDB and other rivals.

2PCMVCCRocksDB

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Inside YugabyteDB: Architecture, Tablet Storage, and Distributed Transactions

ITPUB

Mar 29, 2021 · Databases

Inside YugabyteDB: Architecture, Tablet Storage, and Distributed Transactions Explained

This article provides a comprehensive technical overview of YugabyteDB, covering its two‑layer logical architecture, tablet‑based distributed storage with Raft groups, RocksDB‑backed local storage design, hybrid hash‑range partitioning, and the MVCC‑based two‑phase‑commit transaction model using Hybrid Logical Clocks.

MVCCRocksDBTablet Storage

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Inside YugabyteDB: Architecture, Tablet Storage, and Distributed Transactions Explained