DocDB transactions layer
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DocDB transactions layer

DocDB is YugabyteDB's distributed document store responsible for transactions, sharding, replication, and persistence.

Attention

This page documents an earlier version. Go to the latest (v2.3) version.

Note

YugabyteDB's distributed ACID transaction architecture is inspired by Google Spanner.
Transactions overview
An overview of transactions support in YugabyteDB.
Transaction isolation
Understanding supported transaction isolation levels (the "I" in ACID).
Explicit row locks
Learn about how YugabyteDB uses a combination of optimistic and pessimistic concurrency control to support explicit row locking.
Single-row transactions
How single row transactions work in YugabyteDB
Distributed transactions
How distributed (aka multi-shard) transactions work in YugabyteDB
Transactional IO path
How reads and writes occur during transactions