AWS Lambda

Website

aws.amazon.com

$ Details

Categories

#Cloud Computing #Cloud Hosting #Object Storage #Backend As A Service

RxJS

Website

github.com

$ Details

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Categories

#Javascript UI Libraries #Front-End Frameworks #JS Library #React

AWS Lambda features and specs

• Scalability
  AWS Lambda automatically scales your application by running your code in response to each trigger. This means no manual intervention is required to handle varying levels of traffic.
• Cost-effectiveness
  You only pay for the compute time you consume. Billing is metered in increments of 100 milliseconds and you are not charged when your code is not running.
• Reduced Operations Overhead
  AWS Lambda abstracts the infrastructure management layer, so there is no need to manage or provision servers. This allows you to focus more on writing code for your applications.
• Flexibility
  Supports multiple programming languages such as Python, Node.js, Ruby, Java, Go, and .NET, which allows you to use the language you are most comfortable with.
• Integration with Other AWS Services
  Seamlessly integrates with many other AWS services such as S3, DynamoDB, RDS, SNS, and more, making it versatile and highly functional.
• Automatic Scaling and Load Balancing
  Handles thousands of concurrent requests without managing the scaling yourself, making it suitable for applications requiring high availability and reliability.

Possible disadvantages of AWS Lambda

• Cold Start Latency
  The first request to a Lambda function after it has been idle for a certain period can take longer to execute. This is referred to as a 'cold start' and can impact performance.
• Resource Limits
  Lambda has defined limits, such as a maximum execution timeout of 15 minutes, memory allocation ranging from 128 MB to 10,240 MB, and temporary storage up to 512 MB.
• Vendor Lock-in
  Using AWS Lambda ties you into the AWS ecosystem, making it difficult to migrate to another cloud provider or an on-premises solution without significant modifications to your application.
• Complexity of Debugging
  Debugging and monitoring distributed, serverless applications can be more complex compared to traditional applications due to the lack of direct access to the underlying infrastructure.
• Cold Start Issues with VPC
  When Lambda functions are configured to access resources within a Virtual Private Cloud (VPC), the cold start latency can be exacerbated due to additional VPC networking overhead.
• Limited Execution Control
  AWS Lambda is designed for stateless, short-running tasks and may not be suitable for long-running processes or tasks requiring complex orchestration.

RxJS features and specs

• Asynchronous Programming Model
  RxJS allows you to work with asynchronous data streams with ease, enabling you to handle events, Ajax requests, and other asynchronous operations more effectively.
• Composability
  RxJS operators enable developers to compose complex asynchronous operations concisely. This provides greater flexibility and power over handling streams of data.
• Functional Programming Paradigm
  By using a functional programming approach, RxJS promotes cleaner and more predictable code. It encourages immutability and side-effect-free functions, enhancing code maintainability.
• Rich Operator Set
  RxJS has a comprehensive set of operators, which allows developers to transform, combine, and filter data streams in various ways without needing to write a lot of boilerplate code.
• Community and Ecosystem
  With its active community and extensive ecosystem, RxJS provides robust support, an abundance of learning resources, and numerous integrations with other libraries and frameworks.

Possible disadvantages of RxJS

• Steep Learning Curve
  For developers unfamiliar with reactive programming concepts or functional programming, understanding RxJS can be challenging, potentially leading to difficulty in adopting it.
• Overhead for Simple Tasks
  Using RxJS for simple asynchronous tasks might add unnecessary complexity compared to native JavaScript promises or async/await due to its powerful abstractions.
• Bundle Size
  In certain circumstances, incorporating RxJS might lead to increased bundle sizes, which can be a concern for web performance if not managed properly.
• Complex Debugging
  RxJS introduces a level of abstraction that can make debugging more complex, especially when dealing with multiple combined and transformed data streams.
• Performance Overhead
  While RxJS is powerful, its generalized approach to handling asynchronous stream processing can introduce performance overhead if not used judiciously.

Analysis of AWS Lambda

AWS Lambda Vs EC2 | Serverless Vs EC2 | EC2 Alternatives

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