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Apache Pulsar

Apache Pulsar

Apache Pulsar is a cloud-native messaging and streaming platform. Multi-tenant by design, geo-replicated, with persistent message storage on BookKeeper. Used by Yahoo Japan, Tencent, and Verizon Media for unified pub/sub and queue workloads at internet scale.

At a glance

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GitHub stars

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Active installs

License Apache-2.0 Version 4.0.x LTS OS Ubuntu Server 24.04 LTS Min RAM 8 GB IP IPV4,IPV6

Active installs is sample data (staging preview); real metric wires in before launch.

Accessing the Cluster

  • Binary protocol (clients/producers/consumers): pulsar://<server-ip>:6650
  • HTTP REST API / Pulsar Manager: http://<server-ip>:8080

Managing the Service

# View status
systemctl status pulsar

# Start Pulsar
sudo systemctl start pulsar

# Stop Pulsar
sudo systemctl stop pulsar

# Restart Pulsar
sudo systemctl restart pulsar

# View logs
docker compose -f /root/pulsar/compose.yml logs -f

Data Storage

  • Zookeeper data → /root/pulsar/data/zookeeper
  • Bookkeeper data → /root/pulsar/data/bookkeeper

Notes & Limitations

  • This environment is not highly available. It runs a single Zookeeper, Bookie, and Broker.
  • Use only for local development, testing, or demos.

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