Amazon Kinesis

Website

aws.amazon.com

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Categories

#Stream Processing #Data Management #Analytics #Big Data #Big Data Analytics #Video Streaming

Apache Flink

Website

flink.apache.org

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Categories

#Stream Processing #Developer Tools #Big Data #Web Frameworks

Amazon Kinesis features and specs

• Real-time data processing
  Amazon Kinesis allows for real-time processing of data streams, enabling rapid ingestion and analysis of data as it arrives.
• Scalability
  Kinesis is highly scalable and can handle massive volumes of streaming data, expanding automatically to meet your needs.
• Fully managed service
  As a fully managed service, Kinesis handles infrastructure maintenance, provisioning, and scaling, reducing operational overhead.
• Integration with AWS ecosystem
  Kinesis integrates seamlessly with other AWS services such as Lambda, Redshift, S3, and Elasticsearch, facilitating comprehensive data workflows.
• Multiple data stream applications
  The service supports different types of data stream applications including data delivery, analytics, and real-time processing, making it versatile.
• Security
  Offers robust security through integration with AWS Identity and Access Management (IAM), encryption at rest with AWS Key Management Service (KMS), and in-transit encryption.

Possible disadvantages of Amazon Kinesis

• Cost
  While pricing is scalable, costs can escalate quickly with high data throughput and storage requirements, potentially becoming expensive for large-scale implementations.
• Complex setup and management
  Despite being a managed service, the initial setup and tuning of Kinesis can be complex and may require specialized knowledge.
• Latency
  Although designed for real-time data processing, there can be minor latency involved that might not fit ultra-low latency requirements.
• Limited data retention
  Kinesis typically supports up to 7 days of data retention in streams, which might be insufficient for use cases requiring longer retention periods without extra storage solutions.
• API Rate Limits
  API access to Kinesis is subject to rate limits, which could impact applications requiring high-frequency data ingestion and retrieval.
• Dependence on AWS services
  Tight integration with AWS services can pose a challenge for organizations looking for a multi-cloud or cloud-agnostic strategy.

Apache Flink features and specs

• Real-time Stream Processing
  Apache Flink is designed for real-time data streaming, offering low-latency processing capabilities that are essential for applications requiring immediate data insights.
• Event Time Processing
  Flink supports event time processing, which allows it to handle out-of-order events effectively and provide accurate results based on the time events actually occurred rather than when they were processed.
• State Management
  Flink provides robust state management features, making it easier to maintain and query state across distributed nodes, which is crucial for managing long-running applications.
• Fault Tolerance
  The framework includes built-in mechanisms for fault tolerance, such as consistent checkpoints and savepoints, ensuring high reliability and data consistency even in the case of failures.
• Scalability
  Apache Flink is highly scalable, capable of handling both batch and stream processing workloads across a distributed cluster, making it suitable for large-scale data processing tasks.
• Rich Ecosystem
  Flink has a rich set of APIs and integrations with other big data tools, such as Apache Kafka, Apache Hadoop, and Apache Cassandra, enhancing its versatility and ease of integration into existing data pipelines.

Possible disadvantages of Apache Flink

• Complexity
  Flink’s advanced features and capabilities come with a steep learning curve, making it more challenging to set up and use compared to simpler stream processing frameworks.
• Resource Intensive
  The framework can be resource-intensive, requiring substantial memory and CPU resources for optimal performance, which might be a concern for smaller setups or cost-sensitive environments.
• Community Support
  While growing, the community around Apache Flink is not as large or mature as some other big data frameworks like Apache Spark, potentially limiting the availability of community-contributed resources and support.
• Ecosystem Maturity
  Despite its integrations, the Flink ecosystem is still maturing, and certain tools and plugins may not be as developed or stable as those available for more established frameworks.
• Operational Overhead
  Running and maintaining a Flink cluster can involve significant operational overhead, including monitoring, scaling, and troubleshooting, which might require a dedicated team or additional expertise.

AWS Big Data - Amazon Kinesis Analytics Introduction and Demonstration

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GOTO 2019 • Introduction to Stateful Stream Processing with Apache Flink • Robert Metzger

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