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Serverless Computing

☁️Serverless Computing

NEW

Cloud model where providers manage servers and autoscale per request, letting teams focus on code and events.

DESCRIPTION

Serverless computing abstracts servers, capacity, and patching from developers. Functions and managed services scale automatically based on demand and charge per use. It accelerates delivery of event-driven applications, data pipelines, and APIs. Operational concerns shift to cold starts, observability, limits, and vendor lock-in. Patterns include FaaS, event routing, and step orchestration. Many architectures combine serverless with containers for flexibility and portability.

ALTERNATIVE DEFINITIONS

Wikipedia

Serverless computing is a cloud-computing execution model in which the cloud provider runs the server, and dynamically manages the allocation of machine resources.

Stresses provider-managed infrastructure and dynamic resource allocation.

Source

Microsoft

Serverless computing enables developers to build applications faster by eliminating the need to manage infrastructure.

Emphasizes developer productivity from eliminating infrastructure management.

Source

Google Cloud

Serverless computing lets you build and run applications without having to manage servers.

Highlights the no-servers-to-manage promise succinctly.

Source

Function as a Service Backend as a Service Event-Driven Architecture Microservices Containers Initialization Managed Services Stateless Functions

COMPETING TERMS

Containers on Kubernetes Virtual Machines

KNOWLEDGE AREAS

Cloud Infrastructure Platform & Tooling Data Engineering AI

TARGET AUDIENCE

Software Developer Data Engineer AI Engineer Cloud Architect MLOps Engineer

EXTERNAL SOURCES

  • Wikipedia - Serverless computing
  • AWS - Overview of AWS serverless services
  • Google Cloud - Google Cloud serverless overview
  • Microsoft - Azure serverless architecture guidance

TOP QUESTIONS

When is Serverless Computing a good fit?

It excels for event-driven workloads, unpredictable traffic, and bursty tasks where per-request scaling and pricing shine.

Category: Guidance

What are the biggest risks with Serverless Computing?

Cold starts, vendor lock-in, and service limits can impact latency and design. Observability can be challenging across managed boundaries.

Category: Risk

How does Serverless Computing affect cost?

You pay per execution or consumption, often reducing idle costs. High-throughput steady workloads may be cheaper on containers or VMs.

Category: Cost

Can I run ML inference on Serverless Computing?

Yes, for moderate payloads and latency targets. For GPU-bound or large models, consider container services with accelerators.

Category: Application

How do I mitigate cold starts in Serverless Computing?

Use provisioned concurrency, smaller packages, and keep-alive traffic. Choose runtimes with fast startup.

Category: Best Practices

Is Serverless Computing always stateless?

Functions are stateless between invocations; persist state externally in databases, caches, or queues.

Category: Concepts

How does observability work in Serverless Computing?

Leverage managed logs, traces, and metrics; propagate context through events and use centralized tracing tools.

Category: Observability

What are common serverless architectures for data pipelines?

Event ingestion, stream processing, function-based ETL, and scheduled orchestration integrate with managed storage and analytics.

Category: Patterns

How portable are Serverless Computing workloads?

They can be portable with open APIs and frameworks, but proprietary triggers and services increase lock-in risk.

Category: Opinion