Question: How Do I Get A List Of Kafka Topics?

How do I check my Kafka topic status?

To check the status of your topics:Export the authentication configuration: export KAFKA_OPTS=”-Djava.security.auth.login.config=/opt/bitnami/kafka/conf/kafka_jaas.conf”And execute: kafka-topics.sh –describe –zookeeper ZOOKEEPER_PRIMARY_NODE:2181..

What is Kafka written in?

JavaScalaApache Kafka/Programming languagesIt is written in Scala and Java, and it is part of the open-source Apache Software Foundation. Any application that works with any type of data (logs, events, and more), and requires that data to be transferred, can benefit from Kafka.

Is Kafka pull or push?

With Kafka consumers pull data from brokers. Other systems brokers push data or stream data to consumers. … Since Kafka is pull-based, it implements aggressive batching of data. Kafka like many pull based systems implements a long poll (SQS, Kafka both do).

Which is better Kafka or RabbitMQ?

Kafka offers much higher performance than message brokers like RabbitMQ. It uses sequential disk I/O to boost performance, making it a suitable option for implementing queues. It can achieve high throughput (millions of messages per second) with limited resources, a necessity for big data use cases.

How many brokers are in Kafka cluster?

Kafka Brokers contain topic log partitions. Connecting to one broker bootstraps a client to the entire Kafka cluster. For failover, you want to start with at least three to five brokers. A Kafka cluster can have, 10, 100, or 1,000 brokers in a cluster if needed.

What is Kafka broker list?

A Kafka broker receives messages from producers and stores them on disk keyed by unique offset. A Kafka broker allows consumers to fetch messages by topic, partition and offset. Kafka brokers can create a Kafka cluster by sharing information between each other directly or indirectly using Zookeeper.

Which command is used to list all the available topics?

admin. TopicCommand is a command-line tool that can alter, create, delete, describe and list topics in a Kafka cluster. TopicCommand can be executed using kafka-topics shell script (i.e. bin/kafka-topics.sh or bin\windows\kafka-topics.

What are topics in Kafka?

Kafka Topic. A Topic is a category/feed name to which records are stored and published. As said before, all Kafka records are organized into topics. Producer applications write data to topics and consumer applications read from topics.

How do I get a list of brokers in Kafka?

Alternate way using Zk-Client:Run the Zookeeper CLI: $ zookeeper/bin/zkCli.sh -server localhost:2181 #Make sure your Broker is already running.If it is successful, you can see the Zk client running as:

How do I manage Kafka topics?

Kafka Topic Management | Instaclustrlist – list the topics available on the cluster.create – create a topic.describe – provide details of one or more topics.alter – change the properties of one or more topics.delete – delete one or more topics.

How can I tell if Kafka is running from command line?

I would say that another easy option to check if a Kafka server is running is to create a simple KafkaConsumer pointing to the cluste and try some action, for example, listTopics(). If kafka server is not running, you will get a TimeoutException and then you can use a try-catch sentence.