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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
  • Arguments & Attributes Reference
  1. Terraform reference
  2. Resources
  3. Managed Service for Apache Kafka®
  4. Data Sources
  5. mdb_kafka_topic

yandex_mdb_kafka_topic (DataSource)

Written by
Yandex Cloud
Updated at February 9, 2026
  • Example usage
  • Arguments & Attributes Reference

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
}

Arguments & Attributes ReferenceArguments & Attributes Reference

  • cluster_id (Required)(String). The ID of the Kafka cluster.
  • id (String).
  • name (Required)(String). The resource name.
  • partitions (Required)(Number). The number of the topic's partitions.
  • replication_factor (Required)(Number). Amount of data copies (replicas) for the topic in the cluster.
  • topic_config [Block]. User-defined settings for the topic. For more information, see the official documentation and the Kafka documentation.
    • 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).
    • message_timestamp_type (String). Define whether the timestamp in the message is message create time or log append time. Possible values: LOG_APPEND_TIME or CREATE_TIME.
    • 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 (Bool). 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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