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@pkafel
pkafel / kafka-command.md
Last active September 21, 2024 03:38
Kafka command-line tools (examples in OSX)

Kafka command line tools

List (not complete)

  • zookeeper-server-start.sh - starting Zookeeper
  • kafka-server-start.sh - start Kafka
  • kafka-topics.sh - manage topics in Kafka
  • kafka-console-producer.sh - script for sending messages to Kafka topic
  • kafka-console-consumer.sh - script for consuming messages from Kafka topic
  • kafka-run-class.sh - script for running different tools (list of tools can be found here)
@yoyama
yoyama / Schema2CaseClass.scala
Created January 20, 2017 07:36
Generate case class from spark DataFrame/Dataset schema.
/**
* Generate Case class from DataFrame.schema
*
* val df:DataFrame = ...
*
* val s2cc = new Schema2CaseClass
* import s2cc.implicit._
*
* println(s2cc.schemaToCaseClass(df.schema, "MyClass"))
*
@kare
kare / go-unit-test-setup-and-teardown-math_setup_and_teardown_test.go
Created November 22, 2016 17:53
Go unit test setup and teardown math_test.go
package math
import "testing"
func setupTestCase(t *testing.T) func(t *testing.T) {
t.Log("setup test case")
return func(t *testing.T) {
t.Log("teardown test case")
}
}