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Terraform in Yandex Cloud
  • Getting started
  • Solution library
    • Overview
    • Release notes
          • mdb_kafka_cluster
          • mdb_kafka_connector
          • mdb_kafka_topic
          • mdb_kafka_user

In this article:

  • Example usage
  • Schema
  • Required
  • Read-Only
  • Nested Schema for topic_config
  1. Terraform reference
  2. Resources
  3. Managed Service for Apache Kafka
  4. Data Sources
  5. mdb_kafka_topic

yandex_mdb_kafka_topic (Data Source)

Written by
Yandex Cloud
Updated at August 7, 2025
  • Example usage
  • Schema
    • Required
    • Read-Only
    • Nested Schema for topic_config

Get information about a topic of the Yandex Managed Kafka cluster. For more information, see the official documentation.

Example usageExample usage

//
// Get information about existing MDB Kafka Topic.
//
data "yandex_mdb_kafka_topic" "foo" {
  cluster_id = "some_cluster_id"
  name       = "test"
}

output "replication_factor" {
  value = data.yandex_mdb_kafka_topic.foo.replication_factor
}

SchemaSchema

RequiredRequired

  • cluster_id (String) The ID of the Kafka cluster.
  • name (String) The resource name.

Read-OnlyRead-Only

  • id (String) The ID of this resource.
  • partitions (Number) The number of the topic's partitions.
  • replication_factor (Number) Amount of data copies (replicas) for the topic in the cluster.
  • topic_config (List of Object) User-defined settings for the topic. For more information, see the official documentation and the Kafka documentation. (see below for nested schema)

Nested Schema for Nested Schema for topic_config

Read-Only:

  • cleanup_policy (String) Retention policy to use on log segments.

  • compression_type (String) Compression type of kafka topic.

  • delete_retention_ms (String) The amount of time to retain delete tombstone markers for log compacted topics.

  • file_delete_delay_ms (String) The time to wait before deleting a file from the filesystem.

  • flush_messages (String) This setting allows specifying an interval at which we will force an fsync of data written to the log.

  • flush_ms (String) This setting allows specifying a time interval at which we will force an fsync of data written to the log.

  • max_message_bytes (String) The largest record batch size allowed by Kafka (after compression if compression is enabled).

  • min_compaction_lag_ms (String) The minimum time a message will remain uncompacted in the log. Only applicable for logs that are being compacted.

  • min_insync_replicas (String) When a producer sets acks to "all" (or "-1"), this configuration specifies the minimum number of replicas that must acknowledge a write for the write to be considered successful.

  • preallocate (Boolean) True if we should preallocate the file on disk when creating a new log segment.

  • retention_bytes (String) This configuration controls the maximum size a partition (which consists of log segments) can grow to before we will discard old log segments to free up space if we are using the "delete" retention policy.

  • retention_ms (String) This configuration controls the maximum time we will retain a log before we will discard old log segments to free up space if we are using the "delete" retention policy.

  • segment_bytes (String) This configuration controls the segment file size for the log.

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