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Function Mesh Documentation

website·Indexed 32 days ago

https://functionmesh.io/

Documentation for Function Mesh, a collection of functions collaborating to process data in Kubernetes. It includes guides on installing the Function Mesh Operator, configuring Pulsar functions and sink connectors via CRDs, debugging using Pod logs, and managing stateful functions. Covers versions 0.15.0, 0.2.0, and 0.6.0.

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What's inside Function Mesh

  1. Overview of Pulsar Functions and Pulsar IO

    Pulsar Functions is a serverless event streaming framework built natively for Apache Pulsar, allowing users to create event processing logic on a per-message basis (e.g., ETL jobs, real-time aggregation, event routing) without a separate stream processing system. Pulsar IO is a framework for ingressing and egressing events using source connectors (external system to Pulsar) and sink connectors (Pulsar to external system). Both support Java, Python, and Go, and can be deployed co-running with brokers, in a dedicated worker cluster, or on Kubernetes.

  2. Overview of Function Mesh for stream processing

    Function Mesh is a serverless framework designed for stream processing applications. It orchestrates multiple Pulsar Functions and Pulsar IO connectors to handle complex event-streaming jobs. By running natively in cloud environments (specifically Kubernetes), it allows users to leverage Kubernetes for provisioning, scheduling, and auto-scaling of functions and connectors.

  3. Introduction to Function Mesh

    Function Mesh is a serverless framework purpose-built to run Pulsar Functions and connectors natively on Kubernetes. It solves the inconsistencies and orchestration challenges of the original implementation, simplifying the process of building complex event streaming applications by making them Kubernetes-native.

  4. Overview of Function Mesh for Pulsar Functions

    Function Mesh is a Kubernetes operator that allows Pulsar Functions and Pulsar IO connectors to run natively on Kubernetes. It replaces the need to use the pulsar-admin CLI for function requests, instead utilizing Kubernetes Custom Resource Definitions (CRDs) and kubectl for deployment. This enables users to leverage Kubernetes' native capabilities for provisioning, scheduling, and auto-scaling serverless streaming workloads.

  5. Overview of Function Mesh for Pulsar

    Function Mesh is a Kubernetes operator that allows Pulsar Functions and Pulsar IO connectors to run natively on Kubernetes. It replaces the need to use the pulsar-admin CLI for function requests, instead utilizing Kubernetes Custom Resource Definitions (CRDs) to automate the deployment, scheduling, scaling, and management of streaming functions. Key benefits include the ability to leverage Kubernetes' native auto-scaling and resource provisioning for serverless streaming workloads.

  6. Overview of Function Mesh for stream processing

    Function Mesh is a cloud-native serverless framework designed for stream processing applications. It orchestrates multiple Pulsar Functions and Pulsar IO connectors to handle complex stream processing jobs. By running natively in cloud environments (specifically Kubernetes), it allows developers to leverage Kubernetes for provisioning, scheduling, and auto-scaling of functions and connectors.

  7. Overview of Function Mesh for Apache Pulsar

    Function Mesh is a Kubernetes-native computing abstraction designed to run Apache Pulsar Functions, Sources, and Sinks. It addresses limitations in standard Pulsar Functions by integrating directly with the Kubernetes ecosystem, allowing for better resilience, scheduling, and management of function bundles. It consists of two primary components: a Functions CRD (used to define the functions and mesh) and a Functions controller (which reconciles the CRDs and schedules pods in Kubernetes).

  8. Overview of Function Mesh for Pulsar Functions

    Function Mesh is a Kubernetes operator that allows users to run Pulsar Functions and Pulsar IO connectors natively on Kubernetes. It replaces the need to use the pulsar-admin CLI for function requests, instead utilizing Kubernetes Custom Resource Definitions (CRDs) and kubectl for deployment. This enables cloud-native serverless streaming with the ability to leverage Kubernetes for provisioning, scheduling, and auto-scaling of function topologies.

  9. Overview of Function Mesh for Apache Pulsar

    Function Mesh is a Kubernetes-native computing abstraction designed to run Apache Pulsar Functions, Sources, and Sinks. It addresses limitations of standard Pulsar Functions by integrating directly with the Kubernetes ecosystem, allowing for better failure resilience, native scheduling, and the ability to manage bundles of functions as a cohesive mesh. Key components include the Functions CRD (used to define functions, sources, sinks, and meshes) and the Functions controller (which reconciles these CRDs within the Kubernetes cluster).

  10. Overview of Function Mesh concepts

    Function Mesh is a serverless framework for stream processing applications that orchestrates Pulsar Functions and Pulsar IO connectors. It is built on three foundational concepts:

    1. Stream: A partitioned, immutable, append-only sequence of events (implemented as Apache Pulsar topics) used to connect functions and connectors.
    2. Function: A lightweight event processor that consumes messages from input streams, applies processing logic, and produces results to an output stream.
    3. Connector: A processor for ingesting or egressing events.
      • Source Connector: Ingests events from an external system into a stream.
      • Sink Connector: Egresses events from a stream to an external system.

  11. Overview of Function Mesh for stream processing

    Function Mesh is a cloud-native serverless framework designed for stream processing applications. It orchestrates multiple Pulsar Functions and Pulsar IO connectors to handle complex stream processing jobs. By running natively in cloud environments on Kubernetes, it allows for efficient provisioning, scheduling, and auto-scaling of streaming components.

  12. Overview of Function Mesh for Pulsar Functions

    Function Mesh is a Kubernetes operator that allows Pulsar Functions and Pulsar IO connectors to run natively on Kubernetes. It replaces the need to use the pulsar-admin CLI for function requests, instead utilizing Kubernetes Custom Resource Definitions (CRDs) and kubectl for deployment. This enables users to leverage Kubernetes' native capabilities for provisioning, scheduling, and auto-scaling serverless streaming workloads.