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Eureka vs Kubernetes: What are the differences?

Eureka and Kubernetes are used for managing containerized applications and providing service discovery within a distributed system. Let's explore the key differences between Eureka and Kubernetes:

  1. Architecture: Eureka is a service discovery tool following a client-server model, enabling services to register and discover each other using a central Eureka server. Kubernetes, on the other hand, is a container orchestration platform with a master-worker architecture, managing the deployment and networking of containerized applications.

  2. Scalability and Management: Eureka scales by adding more server instances, providing load balancing and failover mechanisms. Kubernetes offers advanced scalability, dynamically scaling applications and distributing workloads across nodes. It also ensures self-healing capabilities for fault tolerance.

  3. Containerization Support: Eureka is not inherently tied to containerization and can be used with any application, regardless of whether it is containerized or not. It primarily focuses on service registration, discovery, and load balancing. Kubernetes, on the other hand, is specifically designed for managing containerized applications. It provides features for deploying, scaling, and updating container instances, along with networking and storage management capabilities specific to containers.

  4. Multi-Cloud and Hybrid Cloud Support: Eureka is cloud-agnostic and can be deployed in various environments, including on-premises, public clouds, or hybrid setups. Kubernetes supports multi-cloud and hybrid cloud deployments, providing consistent application runtime across different cloud providers or on-premises infrastructure.

  5. Ecosystem and Integrations: Eureka, being part of the Netflix OSS suite, integrates well with other Netflix components and tools, such as Ribbon for client-side load balancing and Hystrix for fault tolerance. It has a lightweight footprint and is often used alongside other microservices frameworks and libraries. Kubernetes, on the other hand, has a rich ecosystem and wide adoption within the containerization community. It offers a comprehensive set of features for managing containerized applications, including networking, storage, monitoring, and logging. It integrates with various container runtimes, such as Docker, and has extensive support for declarative configuration and deployment management.

In summary, Eureka and Kubernetes are both widely used solutions for managing distributed systems and service discovery. Eureka focuses on service registration and discovery in microservices architectures, while Kubernetes provides a comprehensive container orchestration platform with advanced scalability and management features.

Decisions about Eureka and Kubernetes
Simon Reymann
Senior Fullstack Developer at QUANTUSflow Software GmbH · | 30 upvotes · 10.7M views

Our whole DevOps stack consists of the following tools:

  • GitHub (incl. GitHub Pages/Markdown for Documentation, GettingStarted and HowTo's) for collaborative review and code management tool
  • Respectively Git as revision control system
  • SourceTree as Git GUI
  • Visual Studio Code as IDE
  • CircleCI for continuous integration (automatize development process)
  • Prettier / TSLint / ESLint as code linter
  • SonarQube as quality gate
  • Docker as container management (incl. Docker Compose for multi-container application management)
  • VirtualBox for operating system simulation tests
  • Kubernetes as cluster management for docker containers
  • Heroku for deploying in test environments
  • nginx as web server (preferably used as facade server in production environment)
  • SSLMate (using OpenSSL) for certificate management
  • Amazon EC2 (incl. Amazon S3) for deploying in stage (production-like) and production environments
  • PostgreSQL as preferred database system
  • Redis as preferred in-memory database/store (great for caching)

The main reason we have chosen Kubernetes over Docker Swarm is related to the following artifacts:

  • Key features: Easy and flexible installation, Clear dashboard, Great scaling operations, Monitoring is an integral part, Great load balancing concepts, Monitors the condition and ensures compensation in the event of failure.
  • Applications: An application can be deployed using a combination of pods, deployments, and services (or micro-services).
  • Functionality: Kubernetes as a complex installation and setup process, but it not as limited as Docker Swarm.
  • Monitoring: It supports multiple versions of logging and monitoring when the services are deployed within the cluster (Elasticsearch/Kibana (ELK), Heapster/Grafana, Sysdig cloud integration).
  • Scalability: All-in-one framework for distributed systems.
  • Other Benefits: Kubernetes is backed by the Cloud Native Computing Foundation (CNCF), huge community among container orchestration tools, it is an open source and modular tool that works with any OS.
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Pros of Eureka
Pros of Kubernetes
  • 21
    Easy setup and integration with spring-cloud
  • 9
    Web ui
  • 8
    Health checking
  • 8
    Monitoring
  • 7
    Circuit breaker
  • 6
    Netflix battle tested components
  • 6
    Service discovery
  • 5
    Open Source
  • 166
    Leading docker container management solution
  • 129
    Simple and powerful
  • 107
    Open source
  • 76
    Backed by google
  • 58
    The right abstractions
  • 25
    Scale services
  • 20
    Replication controller
  • 11
    Permission managment
  • 9
    Supports autoscaling
  • 8
    Simple
  • 8
    Cheap
  • 6
    Self-healing
  • 5
    Open, powerful, stable
  • 5
    Reliable
  • 5
    No cloud platform lock-in
  • 5
    Promotes modern/good infrascture practice
  • 4
    Scalable
  • 4
    Quick cloud setup
  • 3
    Custom and extensibility
  • 3
    Captain of Container Ship
  • 3
    Cloud Agnostic
  • 3
    Backed by Red Hat
  • 3
    Runs on azure
  • 3
    A self healing environment with rich metadata
  • 2
    Everything of CaaS
  • 2
    Gke
  • 2
    Golang
  • 2
    Easy setup
  • 2
    Expandable
  • 2
    Sfg

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Cons of Eureka
Cons of Kubernetes
  • 1
    Nada
  • 16
    Steep learning curve
  • 15
    Poor workflow for development
  • 8
    Orchestrates only infrastructure
  • 4
    High resource requirements for on-prem clusters
  • 2
    Too heavy for simple systems
  • 1
    Additional vendor lock-in (Docker)
  • 1
    More moving parts to secure
  • 1
    Additional Technology Overhead

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What is Eureka?

Eureka is a REST (Representational State Transfer) based service that is primarily used in the AWS cloud for locating services for the purpose of load balancing and failover of middle-tier servers.

What is Kubernetes?

Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions.

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What companies use Eureka?
What companies use Kubernetes?
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What are some alternatives to Eureka and Kubernetes?
Consul
Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable.
Zuul
It is the front door for all requests from devices and websites to the backend of the Netflix streaming application. As an edge service application, It is built to enable dynamic routing, monitoring, resiliency, and security. Routing is an integral part of a microservice architecture.
Zookeeper
A centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. All of these kinds of services are used in some form or another by distributed applications.
Git
Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
GitHub
GitHub is the best place to share code with friends, co-workers, classmates, and complete strangers. Over three million people use GitHub to build amazing things together.
See all alternatives