Topic Tools

topic-tools.sh

# Create a topic if a topic with the same name does NOT exist
bin/kafka-topics.sh --zookeeper zookeeper1:2181/kafka \
--create \
--topic topic-1 \
--replication-factor 1 \
--partitions 3 \
--if-not-exists

# Alter the number of partitions (can only go up)
bin/kafka-topics.sh --zookeeper zookeeper1:2181/kafka \
--alter \
--topic topic-1 \
--partitions 7

# Delete a topic (this is irreversible)
bin/kafka-topics.sh --zookeeper zookeeper1:2181/kafka \
--delete \
--topic topic-1

# List all topics
bin/kafka-topics.sh --zookeeper zookeeper1:2181/kafka \
--list

# Describe all the topics at once
bin/kafka-topics.sh --zookeeper zookeeper1:2181/kafka \
--describe

# Identify any overrides to topics (configs added to the defaults)
bin/kafka-topics.sh --zookeeper zookeeper1:2181/kafka \
--describe \
--topics-with-overrides

# Topics that are not in-sync with all replicas
bin/kafka-topics.sh --zookeeper zookeeper1:2181/kafka \
--describe \
--under-replicated-partitions

# Topics without a leader replica
bin/kafka-topics.sh --zookeeper zookeeper1:2181/kafka \
--describe \
--unavailable-partitions

# Describe the configurations for all topics (only in addition to the defaults)
bin/kafka-configs.sh --zookeeper zookeeper1:2181/kafka \
--describe \
--entity-type topics

# Describe the configurations for a specific topic (defaults will not show)
bin/kafka-configs.sh --zookeeper zookeeper1:2181/kafka \
--describe \
--entity-type topics \
--entity-name topic-1

# Change the topics message retention
bin/kafka-configs.sh --zookeeper zookeeper1:2181/kafka \
--alter \
--entity-type topics \
--entity-name connect-test \
--add-config retention.ms=3600000

# Describe the configurations for all brokers (defaults will not show)
bin/kafka-configs.sh --zookeeper zookeeper1:2181/kafka \
--entity-type brokers \
--entity-default \
--describe

# Describe the configuration for broker 0 (defaults will not show)
bin/kafka-configs.sh --zookeeper zookeeper1:2181/kafka \
--entity-type brokers \
--entity-name 0 \
--describe

# Add a custom config to broker 0 that will change it's log cleaner thread count
bin/kafka-configs.sh --zookeeper zookeeper1:2181/kafka \
--entity-type brokers \
--entity-name 0 \
--alter \
--add-config log.cleaner.threads=2

# Remove all custom configs (not including defaults) from broker 0
bin/kafka-configs.sh --zookeeper zookeeper1:2181/kafka \
--entity-type brokers \
--entity-name 0 \
--alter \
--delete-config log.cleaner.threads

Click here to go back to the Kafka Deep Dive Interactive Diagram: https://lucid.app/lucidchart/556d9075-a316-4d40-b5dc-225c4353d1e8/view

Diagram is incomplete
some pages are missing, or the next button fails
for example Section2 /Data Delivery stops on page integrity

@bridany so sorry about this. The diagram has been relocated. here's the link: https://lucid.app/lucidchart/556d9075-a316-4d40-b5dc-225c4353d1e8/view

thanks for the fast feedback

unfortunately the issue remains

@bridany unfortunately I am unable to edit the diagram. Can you reach out to support@acloud.guru or go to https://help.acloud.guru/hc/en-us/requests/new and let them know that this diagram needs maintenance? Thanks!

@bridany I have also done this on your behalf