How to Create a Socket Data Synchronization Job in SeaTunnel

3 min readOct 9, 2024

This article offers a guide for using the Apache SeaTunnel Socket Connector. It is designed to help users quickly understand and efficiently utilize the Socket Connector to enable high-performance and stable network communication in their applications.

Socket is the middleware abstraction layer between the application layer and the TCP/IP protocol suite. It is the foundation for network programming, allowing applications to send and receive data over a network. Whether you are building real-time chat applications, or data collection systems, or need to enable communication between devices, the Socket Connector can provide strong support for your needs.

Support Those Engines

Spark
Flink
SeaTunnel Zeta

Key features

batch
stream

Description

Used to read data from Socket.

Data Type Mapping

The File does not have a specific type list, and we can indicate which SeaTunnel data type the corresponding data needs to be converted to by specifying the Schema in the config.

Options

How to Create a Socket Data Synchronization Jobs

Configuring the SeaTunnel config file

The following example demonstrates how to create a data synchronization job that reads data from Socket and prints it on the local client:

# Set the basic configuration of the task to be performed
env {
  execution.parallelism = 1
  job.mode = "BATCH"
}

# Create a source to connect to socket
source {
    Socket {
        host = "localhost"
        port = 9999
    }
}# Console printing of the read socket data
sink {
  Console {
    parallelism = 1
  }
}

Start a port listening

nc -l 9999

Start a SeaTunnel task
Socket Source send test data

~ nc -l 9999
test
hello
flink
spark

Console Sink print data

[test]
[hello]
[flink]
[spark]

About Apache SeaTunnel

Apache SeaTunnel is an easy-to-use, ultra-high-performance distributed data integration platform that supports real-time synchronization of massive amounts of data and can synchronize hundreds of billions of data per day stably and efficiently.

Welcome to fill out this form to be a speaker of Apache SeaTunnel: https://forms.gle/vtpQS6ZuxqXMt6DT6 :)

Why do we need Apache SeaTunnel?

Apache SeaTunnel does everything it can to solve the problems you may encounter in synchronizing massive amounts of data.

Data loss and duplication
Task buildup and latency
Low throughput
Long application-to-production cycle time
Lack of application status monitoring

Apache SeaTunnel Usage Scenarios

Massive data synchronization
Massive data integration
ETL of large volumes of data
Massive data aggregation
Multi-source data processing

Features of Apache SeaTunnel

Rich components
High scalability
Easy to use
Mature and stable

How to get started with Apache SeaTunnel quickly?

Want to experience Apache SeaTunnel quickly? SeaTunnel 2.1.0 takes 10 seconds to get you up and running.

https://seatunnel.apache.org/docs/2.1.0/developement/setup

How can I contribute?

We invite all partners who are interested in making local open-source global to join the Apache SeaTunnel contributors family and foster open-source together!

Submit an issue:

https://github.com/apache/seatunnel/issues

Contribute code to:

https://github.com/apache/seatunnel/pulls

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