Socket.md

Socket

Socket source connector

Description

Used to read data from Socket.

Key features

• batch
• stream
• exactly-once
• schema projection
• parallelism
• support user-defined split

Options

name	type	required	default value
host	String	Yes
port	Integer	Yes
common-options		no	-

host [string]

socket server host

port [integer]

socket server port

common options

Source plugin common parameters, please refer to Source Common Options for details

Example

simple:

Socket {
        host = "localhost"
        port = 9999
    }

test:

• Configuring the SeaTunnel config file

env {
  execution.parallelism = 1
  job.mode = "STREAMING"
}

source {
    Socket {
        host = "localhost"
        port = 9999
    }
}

transform {
}

sink {
  Console {}
}

• 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]

Changelog

2.2.0-beta 2022-09-26

• Add Socket Source Connector

Next Version

• host and port become required (3317)