Pulsar Namespaces CLI Tutorial

Introduction

Namespaces in Pulsar are used as a logical grouping of topics that allows for organizational separation or applying policies, such as TTL or retention, to all topics within that namespace. Before you run the commands below, make sure you have started Pulsar.

How to create a Pulsar namespace?

To create a new namespace in Pulsar, we need to provide the mandatory parameters:

• Tenant name & Namespace name

./bin/pulsar-admin namespaces create my-tenant/my-namespace

How to list Pulsar namespaces?

To list the available namespaces under a tenant in Pulsar, we need to provide the mandatory parameters:

• Tenant name

./bin/pulsar-admin namespaces list my-tenant

How to delete a Pulsar namespace?

To delete namespace in Pulsar, we need to provide the mandatory parameters:

• Tenant name & Namespace name

./bin/pulsar-admin namespaces delete my-tenant/my-namespace