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Rahul Lokurte
Rahul Lokurte

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Getting Started with Apache Pulsar

#apache #pulsar

Prerequisite

To run apache pulsar, you need to have the Docker installed on the system. You can download docker from https://docs.docker.com/docker-for-windows/install/

Getting Started

Note: Apache pulsar has a cluster and within cluster, we have tenants. Within Tenants, we have namespaces.

  1. Start the pulsar instance in Docker 
docker run -it -p 6650:6650 -p 8080:8080 --mount source=pulsardata,target=/pulsar/data --mount source=pulsarconf,target=/pulsar/conf apachepulsar/pulsar:2.6.0 bin/pulsar standalone
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  1. Check the container id of the pulsar 
docker ps -a
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  1. Execute into the container bash 
docker exec -it <container-id> bash
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  1. Get the cluster list 
bin/pulsar-admin clusters list
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  1. Get the tenant list 
bin/pulsar-admin tenants list
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  1. Get the namespaces list 
bin/pulsar-admin namespaces list <tenant-name>
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  1. Get the topics 
bin/pulsar-admin topics list <tenant-name>/<namespace-name>
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  1. Create a topic 
bin/pulsar-admin topics create-partitioned-topic persistent://public/default/test-topic -p 1
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  1. To produce a message to the topic 
bin/pulsar-client produce persistent://public/default/test-topic --num-produce 1 --messages "Hello pulsar 1"
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  1. To Consume a message from the topic 
bin/pulsar-client consume persistent://public/default/test-topic --num-messages 0 --subscription-name test-topic-sub --subscription-type Exclusive
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NOTE: All the above commands assume, you are working on default tenants and default namespaces.

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