Overview of Real-Time Task

  • Last update: October 22, 2024
  • iconNote:

    Real-Time Task of the Data Development module is currently in the internal testing stage. To trial or obtain detailed information, you can send an email to international@fanruan.com or click  at https://help.fanruan.com/finedatalink-en/.

    Overview

    Version

    FineDataLink Version

    Functional Change

    4.1.11.4

    /

    4.1.13.2

    Added the IBM MQ Input operator and the MQTT Input operator.

    Application Scenario

    When building a data warehouse, enterprises need to connect to real-time data sources such as Kafka, and synchronize the data read from Kafka to the data warehouse in real-time.

    During the real-time data warehouse construction process, the intermediate data results need to be output to Kafka to support the calculation of the next layer.

    Most of the data is in semi-structured JSON format, which needs to be parsed and converted into structured data before being stored in the database. Alternatively, the structured data needs to be serialized into JSON format before being placed into Kafka.

    Function Description

    Data can be delivered from point A to point B in real-time via Real-Time Task. Data cleaning operations may be added during the delivery process, such as data parsing in the real-time data warehouse. The final results can be used in subsequent businesses to improve data utilization and timeliness, as well as meet business needs.

    Node Description

    The Real-Time Task module of FineDataLink provides various types of nodes that can be used in combination to meet your diverse data processing needs.

    A node is a basic unit of a real-time task. Multiple nodes form an execution process after being connected by lines and further form a complete real-time task. The basic information of currently available nodes is shown in the following table.

    Type

    Operator

    Description

    Data Input

    Kafka Input

    Allows reading data in real-time

    CDC Input

    Allows reading data in real-time

    Pulsar Input

    Allows reading data in real-time

    MQTT Input

    Allows reading data in real-time

    IBM MQ Input

    Allows reading data in real-time

    Data Output

    DB Table Output (Real-Time Task)

    Allows outputting data to a specified database in real-time

    Kafka Output

    Allows outputting data to Kafka synchronously in real-time

    Transformation

    JSON Parsing

    Parses JSON data and outputs data in the format of rows and columns

    XML Parsing

    Parses XML data into row-column format data

    Field Setting

    Selects and renames fields, and changes data types

    New Calculation Column

    Obtains a new field by referencing or calculating the original fields without affecting them

    Data Filtering

    Filters eligible data records

    Field-to-Column Splitting

    Splits field values according to specific rules (delimiters or the number of characters), where the split values form multiple new columns

    Field-to-Row Splitting

    Splits field values according to specific rules (delimiters), where the split values form a new column

    Other

    Remark

    Helps users add comments to tasks and nodes

    Procedure

    Order

    Description

    Document

    1

    Configure the data sources for data reading and writing when configuring a real-time task.

    Data Source Creation and Management

    2

    Enable the logs to read the data source.

    Overview of Database Environment Preparation

    3

    Create and develop a real-time task.

    See the document of each node.

    4

    Start the task.

    /

    5

    Manage scheduled tasks and resources.

    Single Real-Time Task Management

    附件列表


    主题: Data Development - Real-Time Task
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