Kubernetes vs Titus

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Kubernetes vs Titus: What are the differences?

Differences Between Kubernetes and Titus

Kubernetes and Titus are both popular container orchestration platforms used for managing and deploying applications in a clustered environment. While they have similar functionalities, there are some key differences between them.

  1. Architecture: Kubernetes follows a modular architecture with a large number of components, including the master node, worker nodes, and various controllers, to manage container deployments. On the other hand, Titus adopts a simplified and opinionated architecture, designed specifically for running applications on Amazon Web Services (AWS) infrastructure. It leverages AWS services like EC2 for compute, S3 for object storage, and IAM for access control.

  2. Focus: Kubernetes is a general-purpose container orchestration platform that supports a wide range of use cases and can be deployed on any cloud provider or on-premises infrastructure. It provides a highly flexible and extensible framework for managing containerized applications. In contrast, Titus focuses primarily on running large-scale, performance-sensitive, and fault-tolerant applications on AWS. It is optimized for Netflix workloads and offers advanced features specific to their requirements.

  3. Job and Task Models: Kubernetes uses a pod-based model, where multiple containers are grouped together within a pod and scheduled onto worker nodes. Each pod represents a single application instance. Titus, on the other hand, introduces the concept of jobs and tasks. A job declares the desired state of a group of tasks, and Titus is responsible for ensuring the desired number of copies of those tasks are running. This model is well-suited for batch workloads with dependencies and scaling requirements.

  4. Networking: Kubernetes provides a flexible networking model with a range of network plugins that enable different communication patterns between pods and services. It supports network overlay technologies like Flannel, Calico, and Weave. Titus, being an AWS-specific platform, integrates tightly with the AWS networking stack. It leverages VPCs and ENIs for networking and enables seamless integration with other AWS services like Load Balancers and RDS.

  5. Metrics and Monitoring: Kubernetes has a built-in monitoring system called Metrics Server, which collects resource usage metrics from pods and nodes. It also integrates well with popular monitoring and logging solutions like Prometheus, Grafana, and ELK stack. Titus, on the other hand, provides extensive built-in metrics and monitoring capabilities specifically designed for Netflix workloads. It integrates with Netflix's internal monitoring and alerting systems like Atlas and Vector.

  6. Integration with Ecosystem: Kubernetes has a rich ecosystem with a large number of third-party tools and services that integrate seamlessly with the platform. This includes CI/CD pipelines (Jenkins, GitLab), service mesh (Istio, Linkerd), and logging/monitoring solutions. While Titus can leverage some of these tools through integration with AWS services, it has a smaller ecosystem due to its specialized focus on Netflix workloads.

In summary, Kubernetes is a highly flexible and extensible container orchestration platform suitable for various use cases, while Titus is a specialized platform optimized for running large-scale applications on AWS infrastructure, particularly for Netflix workloads.

Advice on Kubernetes and Titus

Hello, we have a bunch of local hosts (Linux and Windows) where Docker containers are running with bamboo agents on them. Currently, each container is installed as a system service. Each host is set up manually. I want to improve the system by adding some sort of orchestration software that should install, update and check for consistency in my docker containers. I don't need any clouds, all hosts are local. I'd prefer simple solutions. What orchestration system should I choose?

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Replies (1)
Mortie Torabi
Recommends
on
Docker SwarmDocker Swarm

If you just want the basic orchestration between a set of defined hosts, go with Docker Swarm. If you want more advanced orchestration + flexibility in terms of resource management and load balancing go with Kubernetes. In both cases, you can make it even more complex while making the whole architecture more understandable and replicable by using Terraform.

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Decisions about Kubernetes and Titus
Michael Roberts

We develop rapidly with docker-compose orchestrated services, however, for production - we utilise the very best ideas that Kubernetes has to offer: SCALE! We can scale when needed, setting a maximum and minimum level of nodes for each application layer - scaling only when the load balancer needs it. This allowed us to reduce our devops costs by 40% whilst also maintaining an SLA of 99.87%.

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Simon Reymann
Senior Fullstack Developer at QUANTUSflow Software GmbH · | 30 upvotes · 8.9M 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 Kubernetes
Pros of Titus
  • 164
    Leading docker container management solution
  • 128
    Simple and powerful
  • 106
    Open source
  • 76
    Backed by google
  • 58
    The right abstractions
  • 25
    Scale services
  • 20
    Replication controller
  • 11
    Permission managment
  • 9
    Supports autoscaling
  • 8
    Cheap
  • 8
    Simple
  • 6
    Self-healing
  • 5
    No cloud platform lock-in
  • 5
    Promotes modern/good infrascture practice
  • 5
    Open, powerful, stable
  • 5
    Reliable
  • 4
    Scalable
  • 4
    Quick cloud setup
  • 3
    Cloud Agnostic
  • 3
    Captain of Container Ship
  • 3
    A self healing environment with rich metadata
  • 3
    Runs on azure
  • 3
    Backed by Red Hat
  • 3
    Custom and extensibility
  • 2
    Sfg
  • 2
    Gke
  • 2
    Everything of CaaS
  • 2
    Golang
  • 2
    Easy setup
  • 2
    Expandable
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    Cons of Kubernetes
    Cons of Titus
    • 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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      - No public GitHub repository available -

      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.

      What is Titus?

      Titus is a container management platform that provides scalable and reliable container execution and cloud-native integration with Amazon AWS. Titus was built internally at Netflix and is used in production to power Netflix streaming, recommendation, and content systems.

      Need advice about which tool to choose?Ask the StackShare community!

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      What companies use Titus?
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        What are some alternatives to Kubernetes and Titus?
        Docker Swarm
        Swarm serves the standard Docker API, so any tool which already communicates with a Docker daemon can use Swarm to transparently scale to multiple hosts: Dokku, Compose, Krane, Deis, DockerUI, Shipyard, Drone, Jenkins... and, of course, the Docker client itself.
        Nomad
        Nomad is a cluster manager, designed for both long lived services and short lived batch processing workloads. Developers use a declarative job specification to submit work, and Nomad ensures constraints are satisfied and resource utilization is optimized by efficient task packing. Nomad supports all major operating systems and virtualized, containerized, or standalone applications.
        OpenStack
        OpenStack is a cloud operating system that controls large pools of compute, storage, and networking resources throughout a datacenter, all managed through a dashboard that gives administrators control while empowering their users to provision resources through a web interface.
        Rancher
        Rancher is an open source container management platform that includes full distributions of Kubernetes, Apache Mesos and Docker Swarm, and makes it simple to operate container clusters on any cloud or infrastructure platform.
        Docker Compose
        With Compose, you define a multi-container application in a single file, then spin your application up in a single command which does everything that needs to be done to get it running.
        See all alternatives