avn service topic

Full list of commands for avn service topic.

Manage Aiven for Apache Kafka® topics

avn service topic-create

Creates a new Kafka topic on the specified Aiven for Apache Kafka service.

Parameter	Information
service_name	The name of the service
topic	The name of the topic
--partitions	The number of topic partitions
--replication	The topic replication factor
--min-insync-replicas	The minimum required nodes In Sync Replicas (ISR) for the topic/partition (default: 1)
--retention	The retention period in hours (default: unlimited)
--retention-bytes	The retention limit in bytes (default: unlimited)
--cleanup-policy	The topic cleanup policy; can be either delete or compact.
--tag KEY[=VALUE]	Topic tagging

Example: Create a topic named invoices in the demo-kafka service with:

• 3 partitions
• 2 as replication factor
• 2 hours of retention time
• BU=FINANCE tag

avn service topic-create demo-kafka invoices  \
  --partitions 3                              \
  --replication 2                             \
  --retention 2                               \
  --tag BU=FINANCE

avn service topic-delete

Deletes a Kafka topic on the specified Aiven for Apache Kafka service.

Parameter	Information
service_name	The name of the service
topic	The name of the topic

Example: Delete the topic named invoices in the demo-kafka service.

avn service topic-delete demo-kafka invoices

avn service topic-get

Retrieves Kafka topic on the specified Aiven for Apache Kafka service.

Parameter	Information
service_name	The name of the service
topic	The name of the topic

Example: Retrieve the information about a topic named invoices in the demo-kafka service.

avn service topic-get demo-kafka invoices

An example of avn service topic-get output:

PARTITION  ISR  SIZE  EARLIEST_OFFSET  LATEST_OFFSET  GROUPS
=========  ===  ====  ===============  =============  ======
0          2    0     0                0              0
1          2    null  0                0              0
2          2    0     0                0              0

(No consumer groups)

avn service topic-list

Lists Kafka topics on the specified Aiven for Apache Kafka service together with the following information:

• partitions
• replication
• min in-sync replicas
• retention bytes
• retention hours
• cleanup policy
• tags

Parameter	Information
service_name	The name of the service

Example: Retrieve list of topics available in the demo-kafka service.

avn service topic-list demo-kafka

An example of avn service topic-get output:

TOPIC_NAME  PARTITIONS  REPLICATION  MIN_INSYNC_REPLICAS  RETENTION_BYTES  RETENTION_HOURS  CLEANUP_POLICY  TAGS
==========  ==========  ===========  ===================  ===============  ===============  ==============  ==========
bills       3           2            1                    -1               unlimited        delete
invoices    3           2            1                    -1               168              delete          BU=FINANCE
orders      2           3            1                    -1               unlimited        delete

avn service topic-update

Updates a Kafka topic on the specified Aiven for Apache Kafka service.

Parameter	Information
service_name	The name of the service
topic	The name of the topic
--partitions	The number of topic partitions
--replication	The topic replication factor
--min-insync-replicas	The minimum required nodes In Sync Replicas (ISR) for the topic/partition (default: 1)
--retention	The retention period in hours (default: unlimited)
--retention-bytes	The retention limit in bytes (default: unlimited)
--cleanup-policy	The topic cleanup policy; can be either delete or compact.
--tag KEY[=VALUE]	Topic tagging
--untag KEY	Topic tag to remove

Example: Update the topic named invoices in the demo-kafka service. Set 4 partitions and 3 as replication factor. Remove the BU tag and add a new CC=FINANCE_DE tag.

avn service topic-update demo-kafka invoices  \
  --partitions 4                              \
  --replication 3                             \
  --tag CC=FINANCE_DE                         \
  --untag BU