Pulsar
- Category
- Databases and data
- Latest
- 5.0.1
- Released
- Oct 26, 2026
- Docs outline
- 13 sections
Official docs outline
pulsar.apache.org- Pulsar Overview
Pulsar's features: multi-tenancy, geo-replication, tiered storage.
- Architecture
Brokers, BookKeeper bookies, metadata store and topic ownership.
- Messaging Concepts
Topics, subscription types, acknowledgement, retention and TTL.
- Clients
Producers, consumers, readers and client libraries.
- Schema Registry
Schema types, compatibility and evolution.
- Multi-Tenancy
Tenants, namespaces and isolation policies.
- Geo-Replication
Replicating topics across clusters.
- Tiered Storage
Offloading old ledgers to object storage.
- Topic Compaction
Key-based compaction of topics.
- Pulsar Functions and IO
Serverless functions and source/sink connectors.
- Security
TLS, authentication, authorization and encryption.
- Administration
Admin API, CLI tools and cluster management.
- Configuration
Broker, bookie and client configuration reference.
Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.
Versions and support
6 release lines| Line | Released | Latest | Support |
|---|---|---|---|
| 5.0 | Oct 5, 2026 | 5.0.1 | Until Oct 5, 2028 LTS |
| 4.2 | Mar 24, 2026 | 4.2.5 | Ended Sep 24, 2026 |
| 4.1 | Sep 8, 2025 | 4.1.3 | Ended Mar 8, 2026 |
| 4.0 | Oct 21, 2024 | 4.0.14 | Ended Oct 21, 2026 LTS |
| 3.3 | Jun 5, 2024 | 3.3.9 | Ended Dec 5, 2024 |
| 3.2 | Feb 5, 2024 | 3.2.4 | Ended Aug 5, 2024 |
Source: endoflife.date