Most voted questions in Apache Kafka

+3 votes
1 answer

How to install Kafka on Windows System?

These are the steps to install Kafka ...READ MORE

Feb 25, 2019 in Apache Kafka by Ramya
4,096 views
+1 vote
1 answer

Kafka consumer not able to start reading messages from the last uncommitted offsets

Hi@prasant, I am not sure it will work ...READ MORE

1 day ago in Apache Kafka by MD
• 2,870 points
60 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
109 views
+1 vote
0 answers

Want to delete consumed topic programatically

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

Jun 4, 2019 in Apache Kafka by sarvesh
197 views
+1 vote
2 answers

Getting error in schema-registry start command

It is working for me with below ...READ MORE

Sep 30, 2019 in Apache Kafka by Brajkishore
• 240 points
595 views
+1 vote
12 answers

How can I delete all the messages from a Kafka topic?

As of kafka 2.3.0 version, there is ...READ MORE

Sep 8, 2019 in Apache Kafka by Brajkishore
• 240 points
62,256 views
+1 vote
10 answers

Writing the Kafka consumer output to a file

System.out.println(String.valueOf(output.offset()) + ": " + new String(bytes, ...READ MORE

Dec 7, 2018 in Apache Kafka by Harsh
10,064 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

1 day ago in Apache Kafka by MD
• 2,870 points
33 views
0 votes
1 answer

[Mac] Writing the Kafka consumer output to a CSV file

Hi@ I don't know it will work or ...READ MORE

23 hours ago in Apache Kafka by MD
• 2,870 points
27 views
0 votes
0 answers

Is there any Web UI for kafka?

Hi everyone, Is there any Web UI for ...READ MORE

Feb 12 in Apache Kafka by akhtar
• 1,440 points
15 views
0 votes
1 answer

How to create Kafka consumer API?

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

Feb 11 in Apache Kafka by MD
• 2,870 points
14 views
0 votes
1 answer

How consumers enter/exit in groups?

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

Feb 11 in Apache Kafka by MD
• 2,870 points
12 views
0 votes
1 answer

How to implement parallel read in a single application?

Hi@akhtar, To read parallel we have to create ...READ MORE

Feb 11 in Apache Kafka by MD
• 2,870 points
22 views
0 votes
1 answer

What is the meaning of retries in Kafka Producer API?

Hi@akhtar, It defines how many time the producer ...READ MORE

Feb 11 in Apache Kafka by MD
• 2,870 points
13 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 in Apache Kafka by MD
• 2,870 points
14 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 in Apache Kafka by MD
• 2,870 points
10 views
0 votes
1 answer

What is the importance of Kafka bootstrap.servers?

Hi@akhtar, Bootstrap.servers is a mandatory field in Kafka ...READ MORE

Feb 11 in Apache Kafka by MD
• 2,870 points
27 views
0 votes
1 answer

How to create kafka producer API?

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

Feb 11 in Apache Kafka by MD
• 2,870 points
14 views
0 votes
1 answer

Missing required argument "[zookeeper]"

Hi@akhtar, I guess you are using the old ...READ MORE

Feb 10 in Apache Kafka by MD
• 2,870 points
25 views
0 votes
1 answer

How to know leader information in kafka?

Hi@akhtar, To know leader information you can use ...READ MORE

Feb 10 in Apache Kafka by MD
• 2,870 points
16 views
0 votes
1 answer

How to install sbt in Redhat/CentOs??

Hi@akhtar, To install sbt in your RedHat system ...READ MORE

Feb 10 in Apache Kafka by MD
• 2,870 points
12 views
0 votes
1 answer

How to check Kafka version?

Hi@akhtar, Actually, in kafka there is no command ...READ MORE

Feb 10 in Apache Kafka by MD
• 2,870 points
142 views
0 votes
1 answer
0 votes
1 answer

org.apache.kafka.common.config.ConfigException: Missing required configuration "bootstrap.servers" which has no default value.

Hi@akhtar, In your file bootstrap.servers field in missing. ...READ MORE

Feb 10 in Apache Kafka by MD
• 2,870 points
36 views
0 votes
1 answer

What is the need of zookeeper in kafka? Can I use kafka without zookeeper?

Hi@akhtar, You can not use kafka without zookeeper. ...READ MORE

Feb 6 in Apache Kafka by MD
• 2,870 points
49 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 in Apache Kafka by MD
• 2,870 points
17 views
0 votes
1 answer

How can I create multiple consumers in apache kafka?

Hi@akhtar, If you already created multiple producers then ...READ MORE

Feb 6 in Apache Kafka by MD
• 2,870 points
20 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 in Apache Kafka by MD
• 2,870 points
28 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 in Apache Kafka by akhtar
• 1,440 points
12 views
0 votes
1 answer
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
• 25,950 points
84 views
0 votes
0 answers

How to check pending messages in KAFKA topic?

Let say we have first_topic which has kafka_server_brokertopicmetrics_messagesin_total{instance="localhost:1120",job="kafka",topic="first_topic"}  ...READ MORE

May 2, 2019 in Apache Kafka by anonymous
1,209 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
• 4,600 points
166 views
0 votes
1 answer

How to write Kafka connector to integrate with Facebook API?

If you know the limit of API ...READ MORE

Apr 29, 2019 in Apache Kafka by Kumar
456 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
• 68,940 points
62 views
0 votes
1 answer

Installing Kafka on Ubuntu

I am not sure what you expect ...READ MORE

Feb 21, 2019 in Apache Kafka by Arun
163 views
0 votes
2 answers

Kafka service not starting. Shows no output

sudo systemctl status kafka This should at least ...READ MORE

May 9, 2019 in Apache Kafka by Novice
1,036 views
0 votes
2 answers

Not able to start Kafka service

If your service, in this case kafka, ...READ MORE

May 9, 2019 in Apache Kafka by Novice
2,156 views
0 votes
1 answer

Not able to download Kafka using curl

The output to download this is in ...READ MORE

Feb 21, 2019 in Apache Kafka by Omkar
• 68,940 points
479 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
• 68,940 points
104 views
0 votes
1 answer

Retention in Kafka Cluster

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

Sep 18, 2018 in Apache Kafka by kurt_cobain
• 9,310 points
232 views
0 votes
1 answer

Significance of Kafka

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

Sep 18, 2018 in Apache Kafka by kurt_cobain
• 9,310 points
85 views
0 votes
1 answer

Role of Zookeper

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

Sep 18, 2018 in Apache Kafka by kurt_cobain
• 9,310 points
114 views
0 votes
1 answer

Kafka Elements

The most important elements of Kafka: Topic – ...READ MORE

Sep 18, 2018 in Apache Kafka by kurt_cobain
• 9,310 points
207 views
0 votes
1 answer

How to delete a topic in Kafka 0.8.1.1?

Deleting topic isn't always working in 0.8.1.1 Deletion ...READ MORE

Sep 4, 2018 in Apache Kafka by nitinrawat895
• 10,840 points
324 views
0 votes
1 answer

How to purge Kafka Topic?

For your case what you can do ...READ MORE

Sep 4, 2018 in Apache Kafka by nitinrawat895
• 10,840 points
680 views
0 votes
1 answer

What is the optimum number of producers to create in Kafka?

In general, a single producer for all ...READ MORE

Jul 10, 2018 in Apache Kafka by nitinrawat895
• 10,840 points
1,929 views
0 votes
1 answer

How to commit message offsets in Kafka for reliable data pipeline?

You can use auto.commit.enable to allow Kafka ...READ MORE

Jul 9, 2018 in Apache Kafka by Shubham
• 13,370 points
515 views