Most viewed questions in Apache Kafka

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zookeeper service is not started properly

Getting below warning in zookeeper log 2021-02-19 14:20:27,911 ...READ MORE

Feb 19, 2021 in Apache Kafka by anonymous
• 120 points
1,532 views
0 votes
1 answer

how can we delete the topic in kafka in kafkatool application ?

Hi@sreeveena, I am not sure but there may be ...READ MORE

May 13, 2020 in Apache Kafka by MD
• 95,440 points
1,458 views
+1 vote
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Want to delete consumed topic programatically

directly delete kafka log folder and zeekeeper ...READ MORE

Jun 4, 2019 in Apache Kafka by sarvesh
1,419 views
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1 answer

How to stop zookeeper service?

Hi@akhtar, You can find one script in the ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,440 points
1,418 views
0 votes
1 answer

How to create a Kafka topic in a broker?

Hi@akhtar, To create a Kafka topic, you need ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,440 points
1,372 views
0 votes
1 answer

What is a broker in Kafka Cluster?

Hi@akhtar, A Kafka broker receives messages from producers and stores ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,440 points
1,358 views
0 votes
1 answer

How to create Kafka consumer API?

Hi@akhtar, If you know the kafka producer API ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,440 points
1,306 views
0 votes
1 answer

What is the use of acts configuration in Kafka Producer API?

Hi@akhtar, The acts configuration is used to configure ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,440 points
1,284 views
0 votes
1 answer

What filter transformation in apache spark?

Hi, Filter() transformation in Apache Spark takes function ...READ MORE

Aug 2, 2019 in Apache Kafka by Gitika
• 65,910 points
1,248 views
0 votes
1 answer

How can i connect to an api which gives me weather data to Apache kafka?

Hi, To connect an API in kafka, you ...READ MORE

Apr 13, 2020 in Apache Kafka by MD
• 95,440 points
1,146 views
+1 vote
0 answers

how to delete the topic in kafka

How to stop Kafka server from crashing ...READ MORE

May 13, 2020 in Apache Kafka by sreeveena
• 150 points
1,097 views
0 votes
1 answer

Create a Hive table with a sequence file

Hey! Follow these steps to create a ...READ MORE

Dec 26, 2018 in Apache Kafka by Omkar
• 69,230 points
1,055 views
0 votes
1 answer

ERROR tool.BaseSqoopTool: Error parsing arguments for import:ERROR tool.BaseSqoopTool: Unrecognized argument: -topic

Hi@oguzhan, I have checked the Sqoop document, but ...READ MORE

Sep 7, 2020 in Apache Kafka by MD
• 95,440 points
952 views
0 votes
1 answer

How to start Kafka server?

Hi@akhtar, You need the start your zookeeper service ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,440 points
912 views
0 votes
1 answer

What is the need of serializer in Kafka Producer API?

Hi@akhtar, If we try to use String key ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,440 points
900 views
0 votes
1 answer

Retention in Kafka Cluster

However, retention period retains all the published ...READ MORE

Sep 19, 2018 in Apache Kafka by kurt_cobain
• 9,390 points
895 views
+1 vote
0 answers

The KSQL query PRINT 'Topic' doesn't return a result

when I use the consumer it return ...READ MORE

Jul 1, 2019 in Apache Kafka by salma
874 views
0 votes
1 answer

Explain to me the functionality of Kafka in a Big-Data Cluster

Let me explain to you about Apache ...READ MORE

Apr 30, 2019 in Apache Kafka by ravikiran
• 4,620 points
867 views
0 votes
1 answer

How to configure zookeeper for Kafka?

Hi@akhtar, It is a must to set up ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,440 points
856 views
0 votes
1 answer

How can I create a topic in apache kafka?

Hi@akhtar, To create kafka topic you can use ...READ MORE

Feb 6, 2020 in Apache Kafka by MD
• 95,440 points
856 views
0 votes
1 answer

What are the differences between Apache Kafka and RabbitMQ?

Hi@akhtar, Apache kafka and RabitMQ have their own ...READ MORE

Feb 6, 2020 in Apache Kafka by MD
• 95,440 points
790 views
0 votes
1 answer

[error] /root/kafka-sbt/file.java:5:1: class SimpleProducer is public, should be declared in a file named SimpleProducer.java

Hi@akhtar, This error is not related to sbt. ...READ MORE

Feb 10, 2020 in Apache Kafka by MD
• 95,440 points
777 views
0 votes
1 answer

How to create kafka producer API?

Hi@akhtar, To create kafka producer API, you can ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,440 points
678 views
0 votes
1 answer

I tried to do configration for retation log in kafkA ,BUT kafka broker shuts Down.Is there any solution for that??

Hi@Parth, There are mainly two types of retention ...READ MORE

Feb 18, 2020 in Apache Kafka by MD
• 95,440 points
672 views
0 votes
0 answers

What is the difference between point to point and publish-subscribe messaging system?

Hi, I am new in Kafka. Can anyone ...READ MORE

Feb 6, 2020 in Apache Kafka by akhtar
• 38,230 points
634 views
0 votes
1 answer

How to create a Kafka producer?

Hi@MD, Generally, Kafka producer comes from an API. ...READ MORE

Dec 7, 2020 in Apache Kafka by akhtar
• 38,230 points
595 views
0 votes
1 answer

How to start a consumer in Kafka cluster?

Hi@akhtar, In Kafka, each topic is divided into a ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,440 points
588 views
0 votes
2 answers

Kafka Consumer is not throwing errors even though if i provide wrong broker details in Java Standalone

Please delete all log files. Reason behind, ...READ MORE

Jun 18, 2020 in Apache Kafka by Pawan
• 380 points
585 views
0 votes
1 answer

What is a producer in Kafka Cluster?

Hi@akhtar, The Kafka producer is conceptually much simpler than the ...READ MORE

Dec 7, 2020 in Apache Kafka by MD
• 95,440 points
571 views
0 votes
1 answer

How consumers enter/exit in groups?

Hi@akhtar, Whenever one new consumer comes or leaves ...READ MORE

Feb 11, 2020 in Apache Kafka by MD
• 95,440 points
559 views
0 votes
1 answer

Role of Zookeper

Kafka is an open source system and ...READ MORE

Sep 19, 2018 in Apache Kafka by kurt_cobain
• 9,390 points
531 views
0 votes
1 answer

Significance of Kafka

High-throughput We do not need any large hardware ...READ MORE

Sep 19, 2018 in Apache Kafka by kurt_cobain
• 9,390 points
491 views
0 votes
1 answer

error message while running

Ideally, installing the urllib3 module should solve this error. ...READ MORE

Feb 25, 2019 in Apache Kafka by Omkar
• 69,230 points
450 views