Amazon Kinesis vs Azure Event Hubs vs Google Cloud Pub/Sub

Amazon Kinesis vs Azure Event Hubs vs Google Cloud Pub/Sub
Amazon Kinesis vs Azure Event Hubs vs Google Cloud Pub/Sub | Image credit: Pexel

Event streaming platforms allow applications to process and analyze data streams in real time, enabling responsive and scalable architectures. Amazon Kinesis, Azure Event Hubs, and Google Cloud Pub/Sub are the top managed event streaming services from AWS, Azure, and GCP respectively. This post compares their key features, similarities, and differences to help architects choose the best fit.

Key features of Amazon Kinesis

  • Fully managed service for real-time data streaming
  • Multiple components: Kinesis Data Streams, Firehose, Analytics, and Video Streams
  • Kinesis Data Streams supports durable, ordered streaming with custom shard scaling
  • Firehose delivers streaming data to destinations like S3, Redshift, Elasticsearch
  • Integrates with Lambda for real-time processing
  • Supports high throughput and low latency
  • Amazon Kinesis Documentation

Key features of Azure Event Hubs

  • Big data streaming platform with real-time event ingestion
  • Supports partitioned consumer groups for parallel processing
  • Captures streaming data for batch and stream analytics
  • Integrates with Azure Stream Analytics, Functions, and Synapse
  • Offers Standard and Dedicated tiers with throughput units
  • Supports auto-inflate and geo-disaster recovery
  • Azure Event Hubs Documentation

Key features of Google Cloud Pub/Sub (Event Streaming)

  • Global, real-time messaging with at-least-once delivery
  • Supports both push and pull delivery methods
  • Integrates with Dataflow, BigQuery, and Cloud Functions for analytics and processing
  • Offers exactly-once delivery in the Lite version
  • High availability and low latency with regional and global endpoints
  • Schema enforcement and message filtering capabilities
  • Google Cloud Pub/Sub Documentation

What is similar in Amazon Kinesis vs Azure Event Hubs vs Google Cloud Pub/Sub

  • All provide fully managed, scalable event streaming platforms
  • Support real-time ingestion and processing of large volumes of data
  • Integrate tightly with their cloud ecosystems for analytics and compute
  • Offer partitioning or sharding for parallel processing and scalability
  • Provide features like replay, dead-lettering, and monitoring

What is different in Amazon Kinesis vs Azure Event Hubs vs Google Cloud Pub/Sub

  • Architecture: Kinesis splits functionality into multiple services (Streams, Firehose, Analytics); Event Hubs combines event ingestion with capture features; Pub/Sub focuses on messaging with external integrations for analytics
  • Global vs Regional: Pub/Sub is inherently global with multi-region replication; Kinesis and Event Hubs are regionally scoped with geo-replication options
  • Throughput Scaling: Kinesis requires manual shard management (auto scaling available with enhanced fan-out); Event Hubs uses throughput units and auto-inflate; Pub/Sub auto scales transparently
  • Delivery Semantics: Kinesis and Event Hubs offer at-least-once delivery; Pub/Sub Lite supports exactly-once semantics
  • Pricing Model: Kinesis charges by shard hour and PUT payload units; Event Hubs uses throughput units and ingress/egress; Pub/Sub uses data volume and message operations

Conclusion

Amazon Kinesis is well-suited for complex streaming pipelines requiring integration with AWS analytics services. Azure Event Hubs provides an enterprise-ready solution with rich capture and disaster recovery features. Google Cloud Pub/Sub excels in global scalability and seamless integration with Google’s data ecosystem. Your choice should depend on your cloud strategy, throughput needs, and analytics workflows.

Location: United States

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