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Apache Pulsar

Apache Pulsar ek messaging / event streaming system (conceptually) hai jiska use production systems…

Overview
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Apache Pulsar — Quick Facts

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Field: Value

🎯

Type: Messaging / event streaming…

Primary use: Service-to-service communication,…

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Typical deployment: Clustered service (often cloud /…

Topic 1
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Overview

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Producer: message bhejta hai.

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Broker (system): message receive…

Consumer: message receive karke…

Topic 2
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History and ecosystem

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Origin timeline: Not confirmed

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Major versions: Not confirmed

Topic 3
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How Apache Pulsar works (beginner)

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Topic = category/channel

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Subscription = consumer group /…

Ack ka purpose: “message…

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Agar ack nahi aata to system…

Topic 4
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Key concepts (quick table)

| Concept | Simple meaning | Why it matters | |---|---|---| | Message | Small unit of…
Topic 5

Architecture and components

🔑 High-level components (names may differ; offline confirmation limited): | Component |…
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Multi-tenancy and isolation

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Tenant: organization boundary

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Namespace: grouping boundary…

Permissions: who can…

Topic 7
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Common use-cases

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Event-driven microservices:…

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Streaming pipelines:…

Task distribution: background jobs…

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Data integration: multiple systems…

Topic 8
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Security and access control

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TLS in transit: producer/consumer…

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Authentication: client ka identity…

Authorization: kis topic pe…

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Secrets handling: credentials ko…

Topic 9
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Performance considerations

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Throughput: per second kitne…

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Latency: message deliver hone me…

Backlog: pending messages ka…

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Producers batching kar sakte hain…

Topic 10
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Operations and observability

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Broker health: CPU/memory, request…

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Topic/subscription lag: backlog…

End-to-end success rate: publish →…

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Incident playbooks: restart,…

Topic 11
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Common mistakes

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Topic naming without ownership…

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No retention/backlog policy…

Security later: TLS/auth missing

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Consumers not idempotent: retry me…

Topic 12

Comparison: Pulsar vs Kafka vs RabbitMQ

Comparison table high-level conceptual hai; exact feature parity offline me verify nahi.…
Topic 13
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Glossary

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Message: data ka chota unit jo…

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Producer: jo message bhejta hai.

Consumer: jo message receive karke…

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Broker: middle service jo…

Comparison

Comparison: Pulsar vs Kafka vs RabbitMQ

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Primary mental model: Messaging +…

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Scaling focus: Not confirmed

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Typical use: Event-driven systems

Diagram
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Visual Flow

📊 Diagram visualization — details in narration
Related Topics

See Also

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Messaging

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Message Queue

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Pub-Sub

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Event Streaming

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Apache Kafka

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RabbitMQ

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

Apache Pulsar ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

Apache Pulsar ka 'Type' kya hai?

Complete! 🎉
COMPLETE

Apache Pulsar Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

Apache Pulsar Complete

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