whichdb
vs

bbolt vs Pebble

bbolt: etcd's maintained fork of BoltDB: a simple, pure-Go B+tree store in a single file. Pebble: Cockroach Labs' Go LSM engine, inspired by RocksDB and tuned for CockroachDB.

key differences

  • Pebble is built for larger datasets (≤ 10 TB) than bbolt (≤ 100 GB).
  • Transactions: bbolt offers full ACID; Pebble offers limited.
  • Only bbolt has transactions.
  • Only Pebble has compression, encryption at rest.

choose bbolt for

  • +Embedded metadata stores in Go services
  • +Raft log and snapshot storage
  • +Local state for CLIs and agents

best at · Embedded, Metadata, Coordination

choose pebble for

  • +Storage engine for Go databases
  • +Blockchain node state (Geth)
  • +Write-heavy embedded key-value stores in Go services

best at · Embedded, OLTP, Metadata

bboltetcd's maintained fork of BoltDB: a simple, pure-Go B+tree store in a single file.
PebbleCockroach Labs' Go LSM engine, inspired by RocksDB and tuned for CockroachDB.
overview
Primary model
Key-Value
Key-Value
Also supports
–
–
Type
Embedded library
Embedded library
Status
Active
Active
Developer
etcd maintainers / CNCF
Cockroach Labs
First release
2017
2020
Latest version
1.5.0 (Jun 21, 2026)
2.1.7 (Aug 24, 2026)
License
Open source (permissive)MIT License
Open source (permissive)BSD 3-Clause License
Free tier
✓
✓
popularity
WhichDB Score
11.5
5.6
Rank
#282
#379
GitHub stars
9.8K
6.1K
Stack Overflow questions
41
–
scale & guarantees
Comfortable data size
Small (≤ 100 GB)
Medium (≤ 10 TB)
Horizontal scaling
None
None
Multi-region
None
None
ACID
Full
Limited
Consistency
Strong
Strong
Schema
Schemaless
Schemaless
Architecture
Embedded
Embedded
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
—
Serverless
—
—
Embedded
✓
✓
Edge
—
—
Clouds
–
–
capabilities
Transactions
✓
—
Joins
—
—
Secondary indexes
—
—
Full-text search
—
—
Vector search
—
—
Geospatial
—
—
JSON
—
—
Change data capture
—
—
Triggers
—
—
Stored procedures
—
—
Materialized views
—
—
TTL / expiry
—
—
Pub/Sub
—
—
Columnar storage
—
—
In-memory
—
—
Durable persistence
✓
✓
Compression
—
✓
Encryption at rest
—
✓
Role-based access
—
—
Time travel
—
—
Branching
—
—
Online schema changes
—
—
Streaming ingest
—
—
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
Go API
Go API
Client languages
Go
Go
Best for
Embedded, Metadata, Coordination
Embedded, OLTP, Metadata
Add more to this comparisonNot sure either fits? Try smart match

bbolt vs Pebble: FAQ

What is the difference between bbolt and Pebble?

bbolt: etcd's maintained fork of BoltDB: a simple, pure-Go B+tree store in a single file. Pebble: Cockroach Labs' Go LSM engine, inspired by RocksDB and tuned for CockroachDB. Pebble is built for larger datasets (≤ 10 TB) than bbolt (≤ 100 GB). Transactions: bbolt offers full ACID; Pebble offers limited. Only bbolt has transactions.

When should I choose bbolt over Pebble?

Choose bbolt for embedded metadata stores in Go services; raft log and snapshot storage; and local state for CLIs and agents. Choose Pebble for storage engine for Go databases, blockchain node state (Geth) and write-heavy embedded key-value stores in Go services.

Is bbolt or Pebble more popular?

bbolt ranks #282 on the WhichDB Score (11.5/100) and Pebble ranks #379 (5.6/100). Popularity is not fit: check the requirements that matter for your project.

Are bbolt and Pebble open source?

Yes. bbolt is open source. License: MIT License. Yes. Pebble is open source. License: BSD 3-Clause License.