Latest questions in Apache Kafka

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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
629 views
+1 vote
1 answer

ERROR Unexpected exception, exiting abnormally (org.apache.zookeeper.server.ZooKeeperServerMain) java.net.BindException: Address already in use

Hi@akhtar, Here the zookeeper service is already started ...READ MORE

Feb 5, 2020 in Apache Kafka by MD
• 95,440 points
11,538 views
+1 vote
1 answer
+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

Feb 18, 2020 in Apache Kafka by MD
• 95,440 points
9,271 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
1,240 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
872 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
1,416 views
0 votes
1 answer

How to check pending messages in KAFKA topic?

kafka-run-class.bat kafka.tools.ConsumerOffsetChecker --broker-info --group test-consumer-group --topic test ...READ MORE

May 29, 2020 in Apache Kafka by chandra
10,311 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
860 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
2,370 views
+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
13,404 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
• 69,210 points
447 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
1,947 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
6,329 views
0 votes
2 answers

Not able to start Kafka service

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

May 10, 2019 in Apache Kafka by Novice
17,853 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
• 69,210 points
2,394 views
+2 votes
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
• 220 points
4,466 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
• 69,210 points
1,048 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
894 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
490 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
528 views
0 votes
1 answer

Kafka Elements

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

Sep 19, 2018 in Apache Kafka by kurt_cobain
• 9,390 points
1,912 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
• 11,380 points
1,548 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
• 11,380 points
2,509 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
• 11,380 points
7,995 views
0 votes
14 answers

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

To delete all the messages from a Kafka topic.  There are many approach ...READ MORE

Jun 19, 2020 in Apache Kafka by Pawan
• 380 points
226,783 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 10, 2018 in Apache Kafka by Shubham
• 13,490 points
3,340 views
0 votes
1 answer

How to reset the offset of messages consumed from Kafka?

The reset option only prints the result ...READ MORE

Jul 10, 2018 in Apache Kafka by Shubham
• 13,490 points
13,726 views
0 votes
1 answer

Not able to fetch messages from Kafka cluster

You need to add the hostname in ...READ MORE

Jul 10, 2018 in Apache Kafka by Shubham
• 13,490 points
2,826 views
+2 votes
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
37,020 views
0 votes
1 answer

Re-balancing error while reading messages from Kafka.

rebalance.backoff.ms defines the time for which Kafka ...READ MORE

Jul 10, 2018 in Apache Kafka by Shubham
• 13,490 points
2,676 views
0 votes
1 answer

Kafka topic not being deleted

By default in Kafka version 0.10, delete.topic.enable ...READ MORE

Jul 9, 2018 in Apache Kafka by nitinrawat895
• 11,380 points
2,795 views
0 votes
1 answer

Is there any change in consumer offsets if a new partition(s) is added to a Kafka topic?

Yes, it stays the same. An offset is ...READ MORE

Jul 9, 2018 in Apache Kafka by nitinrawat895
• 11,380 points
2,107 views