[Yandex Cloud documentation](../../../index.md) > [Yandex Managed Service for Apache Kafka®](../../index.md) > API reference > [REST](../index.md) > [Cluster](index.md) > Get # Managed Service for Apache Kafka® API, REST: Cluster.Get Returns the specified Apache Kafka® cluster. To get the list of available Apache Kafka® clusters, make a [List](list.md#List) request. ## HTTP request ``` GET https://mdb.api.cloud.yandex.net/managed-kafka/v1/clusters/{clusterId} ``` ## Path parameters #| ||Field | Description || || clusterId | **string** Required field. ID of the Apache Kafka® Cluster resource to return. To get the cluster ID, make a [ClusterService.List](list.md#List) request. The maximum string length in characters is 50. || |# ## Response {#yandex.cloud.mdb.kafka.v1.Cluster} **HTTP Code: 200 - OK** ```json { "id": "string", "folderId": "string", "createdAt": "string", "name": "string", "description": "string", "labels": "object", "environment": "string", "monitoring": [ { "name": "string", "description": "string", "link": "string" } ], "config": { "version": "string", "kafka": { "resources": { "resourcePresetId": "string", "diskSize": "string", "diskTypeId": "string" }, // Includes only one of the fields `kafkaConfig_2_8`, `kafkaConfig_3`, `kafkaConfig_4` "kafkaConfig_2_8": { "compressionType": "string", "logFlushIntervalMessages": "string", "logFlushIntervalMs": "string", "logFlushSchedulerIntervalMs": "string", "logRetentionBytes": "string", "logRetentionHours": "string", "logRetentionMinutes": "string", "logRetentionMs": "string", "logSegmentBytes": "string", "logPreallocate": "boolean", "socketSendBufferBytes": "string", "socketReceiveBufferBytes": "string", "autoCreateTopicsEnable": "boolean", "numPartitions": "string", "defaultReplicationFactor": "string", "messageMaxBytes": "string", "replicaFetchMaxBytes": "string", "sslCipherSuites": [ "string" ], "offsetsRetentionMinutes": "string", "saslEnabledMechanisms": [ "string" ], "transactionalIdExpirationMs": "string" }, "kafkaConfig_3": { "compressionType": "string", "logFlushIntervalMessages": "string", "logFlushIntervalMs": "string", "logFlushSchedulerIntervalMs": "string", "logRetentionBytes": "string", "logRetentionHours": "string", "logRetentionMinutes": "string", "logRetentionMs": "string", "logSegmentBytes": "string", "logPreallocate": "boolean", "socketSendBufferBytes": "string", "socketReceiveBufferBytes": "string", "autoCreateTopicsEnable": "boolean", "numPartitions": "string", "defaultReplicationFactor": "string", "messageMaxBytes": "string", "replicaFetchMaxBytes": "string", "sslCipherSuites": [ "string" ], "offsetsRetentionMinutes": "string", "saslEnabledMechanisms": [ "string" ], "transactionalIdExpirationMs": "string" }, "kafkaConfig_4": { "compressionType": "string", "logFlushIntervalMessages": "string", "logFlushIntervalMs": "string", "logFlushSchedulerIntervalMs": "string", "logRetentionBytes": "string", "logRetentionHours": "string", "logRetentionMinutes": "string", "logRetentionMs": "string", "logSegmentBytes": "string", "socketSendBufferBytes": "string", "socketReceiveBufferBytes": "string", "autoCreateTopicsEnable": "boolean", "numPartitions": "string", "defaultReplicationFactor": "string", "messageMaxBytes": "string", "replicaFetchMaxBytes": "string", "sslCipherSuites": [ "string" ], "offsetsRetentionMinutes": "string", "saslEnabledMechanisms": [ "string" ], "transactionalIdExpirationMs": "string" } // end of the list of possible fields }, "zookeeper": { "resources": { "resourcePresetId": "string", "diskSize": "string", "diskTypeId": "string" } }, "zoneId": [ "string" ], "brokersCount": "string", "assignPublicIp": "boolean", "unmanagedTopics": "boolean", "schemaRegistry": "boolean", "access": { "dataTransfer": "boolean" }, "restApiConfig": { "enabled": "boolean" }, "kraft": { "resources": { "resourcePresetId": "string", "diskSize": "string", "diskTypeId": "string" } }, "diskSizeAutoscaling": { "plannedUsageThreshold": "string", "emergencyUsageThreshold": "string", "diskSizeLimit": "string" }, "kafkaUiConfig": { "enabled": "boolean" }, "patchVersion": "string" }, "networkId": "string", "health": "string", "status": "string", "securityGroupIds": [ "string" ], "hostGroupIds": [ "string" ], "deletionProtection": "boolean", "maintenanceWindow": { // Includes only one of the fields `anytime`, `weeklyMaintenanceWindow` "anytime": "object", "weeklyMaintenanceWindow": { "day": "string", "hour": "string" } // end of the list of possible fields }, "plannedOperation": { "info": "string", "delayedUntil": "string" }, "kafkaUi": { "url": "string" }, "diskEncryptionKeyId": "string" } ``` An Apache Kafka® cluster resource. For more information, see the [Concepts](../../concepts/index.md) section of the documentation. #| ||Field | Description || || id | **string** ID of the Apache Kafka® cluster. This ID is assigned at creation time. || || folderId | **string** ID of the folder that the Apache Kafka® cluster belongs to. || || createdAt | **string** (date-time) Creation timestamp. String in [RFC3339](https://www.ietf.org/rfc/rfc3339.txt) text format. The range of possible values is from `0001-01-01T00:00:00Z` to `9999-12-31T23:59:59.999999999Z`, i.e. from 0 to 9 digits for fractions of a second. To work with values in this field, use the APIs described in the [Protocol Buffers reference](https://developers.google.com/protocol-buffers/docs/reference/overview). In some languages, built-in datetime utilities do not support nanosecond precision (9 digits). || || name | **string** Name of the Apache Kafka® cluster. The name must be unique within the folder. 1-63 characters long. Value must match the regular expression `[a-zA-Z0-9_-]*`. || || description | **string** Description of the Apache Kafka® cluster. 0-256 characters long. || || labels | **object** (map<**string**, **string**>) Custom labels for the Apache Kafka® cluster as `key:value` pairs. A maximum of 64 labels per resource is allowed. || || environment | **enum** (Environment) Deployment environment of the Apache Kafka® cluster. - `PRODUCTION`: Stable environment with a conservative update policy when only hotfixes are applied during regular maintenance. - `PRESTABLE`: Environment with a more aggressive update policy when new versions are rolled out irrespective of backward compatibility. || || monitoring[] | **[Monitoring](#yandex.cloud.mdb.kafka.v1.Monitoring)** Description of monitoring systems relevant to the Apache Kafka® cluster. * The field is ignored for response of List method. || || config | **[ConfigSpec](#yandex.cloud.mdb.kafka.v1.ConfigSpec)** Configuration of the Apache Kafka® cluster. * The field is ignored for response of List method. || || networkId | **string** ID of the network that the cluster belongs to. || || health | **enum** (Health) Aggregated cluster health. - `HEALTH_UNKNOWN`: State of the cluster is unknown ([Host.health](listHosts.md#yandex.cloud.mdb.kafka.v1.Host) of all hosts in the cluster is `UNKNOWN`). - `ALIVE`: Cluster is alive and well ([Host.health](listHosts.md#yandex.cloud.mdb.kafka.v1.Host) of all hosts in the cluster is `ALIVE`). - `DEAD`: Cluster is inoperable ([Host.health](listHosts.md#yandex.cloud.mdb.kafka.v1.Host) of all hosts in the cluster is `DEAD`). - `DEGRADED`: Cluster is in degraded state ([Host.health](listHosts.md#yandex.cloud.mdb.kafka.v1.Host) of at least one of the hosts in the cluster is not `ALIVE`). || || status | **enum** (Status) Current state of the cluster. - `STATUS_UNKNOWN`: Cluster state is unknown. - `CREATING`: Cluster is being created. - `RUNNING`: Cluster is running normally. - `ERROR`: Cluster encountered a problem and cannot operate. - `UPDATING`: Cluster is being updated. - `STOPPING`: Cluster is stopping. - `STOPPED`: Cluster stopped. - `STARTING`: Cluster is starting. || || securityGroupIds[] | **string** User security groups || || hostGroupIds[] | **string** Host groups hosting VMs of the cluster. || || deletionProtection | **boolean** Deletion Protection inhibits deletion of the cluster || || maintenanceWindow | **[MaintenanceWindow](#yandex.cloud.mdb.kafka.v1.MaintenanceWindow)** Window of maintenance operations. || || plannedOperation | **[MaintenanceOperation](#yandex.cloud.mdb.kafka.v1.MaintenanceOperation)** Scheduled maintenance operation. || || kafkaUi | **[KafkaUI](#yandex.cloud.mdb.kafka.v1.Cluster.KafkaUI)** KafkaUI state. || || diskEncryptionKeyId | **string** ID of the key to encrypt cluster disks. || |# ## Monitoring {#yandex.cloud.mdb.kafka.v1.Monitoring} Metadata of monitoring system. #| ||Field | Description || || name | **string** Name of the monitoring system. || || description | **string** Description of the monitoring system. || || link | **string** Link to the monitoring system charts for the Apache Kafka® cluster. || |# ## ConfigSpec {#yandex.cloud.mdb.kafka.v1.ConfigSpec} #| ||Field | Description || || version | **string** Version of Apache Kafka® used in the cluster. Possible values: `2.8`, `3.0`, `3.1`, `3.2`, `3.3`, `3.4`, `3.5`, `3.6`. || || kafka | **[Kafka](#yandex.cloud.mdb.kafka.v1.ConfigSpec.Kafka)** Configuration and resource allocation for Kafka brokers. || || zookeeper | **[Zookeeper](#yandex.cloud.mdb.kafka.v1.ConfigSpec.Zookeeper)** Configuration and resource allocation for ZooKeeper hosts. || || zoneId[] | **string** IDs of availability zones where Kafka brokers reside. || || brokersCount | **string** (int64) The number of Kafka brokers deployed in each availability zone. || || assignPublicIp | **boolean** The flag that defines whether a public IP address is assigned to the cluster. If the value is `true`, then Apache Kafka® cluster is available on the Internet via it's public IP address. || || unmanagedTopics | **boolean** Allows to manage topics via AdminAPI Deprecated. Feature enabled permanently. || || schemaRegistry | **boolean** Enables managed schema registry on cluster || || access | **[Access](#yandex.cloud.mdb.kafka.v1.Access)** Access policy for external services. || || restApiConfig | **[RestAPIConfig](#yandex.cloud.mdb.kafka.v1.ConfigSpec.RestAPIConfig)** Configuration of REST API. || || kraft | **[KRaft](#yandex.cloud.mdb.kafka.v1.ConfigSpec.KRaft)** Configuration and resource allocation for KRaft-controller hosts. || || diskSizeAutoscaling | **[DiskSizeAutoscaling](#yandex.cloud.mdb.kafka.v1.DiskSizeAutoscaling)** DiskSizeAutoscaling settings || || kafkaUiConfig | **[KafkaUIConfig](#yandex.cloud.mdb.kafka.v1.ConfigSpec.KafkaUIConfig)** Configuration of Kafka UI. || || patchVersion | **string** Patch or release version ex. 3.9.1, 4.0.1 etc || |# ## Kafka {#yandex.cloud.mdb.kafka.v1.ConfigSpec.Kafka} #| ||Field | Description || || resources | **[Resources](#yandex.cloud.mdb.kafka.v1.Resources)** Resources allocated to Kafka brokers. || || kafkaConfig_2_8 | **[KafkaConfig2_8](#yandex.cloud.mdb.kafka.v1.KafkaConfig2_8)** Configuration of an Apache Kafka® 2.8 broker. Includes only one of the fields `kafkaConfig_2_8`, `kafkaConfig_3`, `kafkaConfig_4`. Kafka broker configuration. || || kafkaConfig_3 | **[KafkaConfig3](#yandex.cloud.mdb.kafka.v1.KafkaConfig3)** Configuration of an Apache Kafka® 3.x broker. Includes only one of the fields `kafkaConfig_2_8`, `kafkaConfig_3`, `kafkaConfig_4`. Kafka broker configuration. || || kafkaConfig_4 | **[KafkaConfig4](#yandex.cloud.mdb.kafka.v1.KafkaConfig4)** Configuration of an Apache Kafka® 4.x broker. Includes only one of the fields `kafkaConfig_2_8`, `kafkaConfig_3`, `kafkaConfig_4`. Kafka broker configuration. || |# ## Resources {#yandex.cloud.mdb.kafka.v1.Resources} #| ||Field | Description || || resourcePresetId | **string** ID of the preset for computational resources available to a host (CPU, memory, etc.). All available presets are listed in the [documentation](../../concepts/instance-types.md). || || diskSize | **string** (int64) Volume of the storage available to a host, in bytes. Must be greater than 2 * partition segment size in bytes * partitions count, so each partition can have one active segment file and one closed segment file that can be deleted. || || diskTypeId | **string** Type of the storage environment for the host. || |# ## KafkaConfig2_8 {#yandex.cloud.mdb.kafka.v1.KafkaConfig2_8} Kafka version 2.8 broker configuration. #| ||Field | Description || || compressionType | **enum** (CompressionType) Cluster topics compression type. - `COMPRESSION_TYPE_UNCOMPRESSED`: no codec (uncompressed). - `COMPRESSION_TYPE_ZSTD`: Zstandard codec. - `COMPRESSION_TYPE_LZ4`: LZ4 codec. - `COMPRESSION_TYPE_SNAPPY`: Snappy codec. - `COMPRESSION_TYPE_GZIP`: GZip codec. - `COMPRESSION_TYPE_PRODUCER`: the codec to use is set by a producer (can be any of `ZSTD`, `LZ4`, `GZIP` or `SNAPPY` codecs). || || logFlushIntervalMessages | **string** (int64) The number of messages accumulated on a log partition before messages are flushed to disk. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig2_8.flushMessages](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig2_8) setting. || || logFlushIntervalMs | **string** (int64) The maximum time (in milliseconds) that a message in any topic is kept in memory before flushed to disk. If not set, the value of `logFlushSchedulerIntervalMs` is used. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig2_8.flushMs](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig2_8) setting. || || logFlushSchedulerIntervalMs | **string** (int64) The frequency of checks (in milliseconds) for any logs that need to be flushed to disk. This check is done by the log flusher. || || logRetentionBytes | **string** (int64) Partition size limit; Kafka will discard old log segments to free up space if `delete` [TopicConfig2_8.cleanupPolicy](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig2_8) is in effect. This setting is helpful if you need to control the size of a log due to limited disk space. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig2_8.retentionBytes](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig2_8) setting. || || logRetentionHours | **string** (int64) The number of hours to keep a log segment file before deleting it. || || logRetentionMinutes | **string** (int64) The number of minutes to keep a log segment file before deleting it. If not set, the value of `logRetentionHours` is used. || || logRetentionMs | **string** (int64) The number of milliseconds to keep a log segment file before deleting it. If not set, the value of `logRetentionMinutes` is used. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig2_8.retentionMs](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig2_8) setting. || || logSegmentBytes | **string** (int64) The maximum size of a single log file. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig2_8.segmentBytes](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig2_8) setting. || || logPreallocate | **boolean** Should pre allocate file when create new segment? This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig2_8.preallocate](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig2_8) setting. Deprecated. Feature useless for Yandex Cloud. || || socketSendBufferBytes | **string** (int64) The SO_SNDBUF buffer of the socket server sockets. If the value is -1, the OS default will be used. || || socketReceiveBufferBytes | **string** (int64) The SO_RCVBUF buffer of the socket server sockets. If the value is -1, the OS default will be used. || || autoCreateTopicsEnable | **boolean** Enable auto creation of topic on the server || || numPartitions | **string** (int64) Default number of partitions per topic on the whole cluster || || defaultReplicationFactor | **string** (int64) Default replication factor of the topic on the whole cluster || || messageMaxBytes | **string** (int64) The largest record batch size allowed by Kafka. Default value: 1048588. || || replicaFetchMaxBytes | **string** (int64) The number of bytes of messages to attempt to fetch for each partition. Default value: 1048576. || || sslCipherSuites[] | **string** A list of cipher suites. || || offsetsRetentionMinutes | **string** (int64) Offset storage time after a consumer group loses all its consumers. Default: 10080. || || saslEnabledMechanisms[] | **enum** (SaslMechanism) The list of SASL mechanisms enabled in the Kafka server. Default: [SCRAM_SHA_512]. - `SASL_MECHANISM_SCRAM_SHA_256`: SHA_256. - `SASL_MECHANISM_SCRAM_SHA_512`: SHA_512. || || transactionalIdExpirationMs | **string** (int64) Timeout for transactional ids to expire in ms. Default: 604800000 (7 days). || |# ## KafkaConfig3 {#yandex.cloud.mdb.kafka.v1.KafkaConfig3} Kafka version 3.x broker configuration. #| ||Field | Description || || compressionType | **enum** (CompressionType) Cluster topics compression type. - `COMPRESSION_TYPE_UNCOMPRESSED`: no codec (uncompressed). - `COMPRESSION_TYPE_ZSTD`: Zstandard codec. - `COMPRESSION_TYPE_LZ4`: LZ4 codec. - `COMPRESSION_TYPE_SNAPPY`: Snappy codec. - `COMPRESSION_TYPE_GZIP`: GZip codec. - `COMPRESSION_TYPE_PRODUCER`: the codec to use is set by a producer (can be any of `ZSTD`, `LZ4`, `GZIP` or `SNAPPY` codecs). || || logFlushIntervalMessages | **string** (int64) The number of messages accumulated on a log partition before messages are flushed to disk. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig3.flushMessages](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig3) setting. || || logFlushIntervalMs | **string** (int64) The maximum time (in milliseconds) that a message in any topic is kept in memory before flushed to disk. If not set, the value of `logFlushSchedulerIntervalMs` is used. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig3.flushMs](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig3) setting. || || logFlushSchedulerIntervalMs | **string** (int64) The frequency of checks (in milliseconds) for any logs that need to be flushed to disk. This check is done by the log flusher. || || logRetentionBytes | **string** (int64) Partition size limit; Kafka will discard old log segments to free up space if `delete` [TopicConfig3.cleanupPolicy](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig3) is in effect. This setting is helpful if you need to control the size of a log due to limited disk space. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig3.retentionBytes](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig3) setting. || || logRetentionHours | **string** (int64) The number of hours to keep a log segment file before deleting it. || || logRetentionMinutes | **string** (int64) The number of minutes to keep a log segment file before deleting it. If not set, the value of `logRetentionHours` is used. || || logRetentionMs | **string** (int64) The number of milliseconds to keep a log segment file before deleting it. If not set, the value of `logRetentionMinutes` is used. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig3.retentionMs](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig3) setting. || || logSegmentBytes | **string** (int64) The maximum size of a single log file. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig3.segmentBytes](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig3) setting. || || logPreallocate | **boolean** Should pre allocate file when create new segment? This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig3.preallocate](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig3) setting. Deprecated. Feature useless for Yandex Cloud. || || socketSendBufferBytes | **string** (int64) The SO_SNDBUF buffer of the socket server sockets. If the value is -1, the OS default will be used. || || socketReceiveBufferBytes | **string** (int64) The SO_RCVBUF buffer of the socket server sockets. If the value is -1, the OS default will be used. || || autoCreateTopicsEnable | **boolean** Enable auto creation of topic on the server || || numPartitions | **string** (int64) Default number of partitions per topic on the whole cluster || || defaultReplicationFactor | **string** (int64) Default replication factor of the topic on the whole cluster || || messageMaxBytes | **string** (int64) The largest record batch size allowed by Kafka. Default value: 1048588. || || replicaFetchMaxBytes | **string** (int64) The number of bytes of messages to attempt to fetch for each partition. Default value: 1048576. || || sslCipherSuites[] | **string** A list of cipher suites. || || offsetsRetentionMinutes | **string** (int64) Offset storage time after a consumer group loses all its consumers. Default: 10080. || || saslEnabledMechanisms[] | **enum** (SaslMechanism) The list of SASL mechanisms enabled in the Kafka server. Default: [SCRAM_SHA_512]. - `SASL_MECHANISM_SCRAM_SHA_256`: SHA_256. - `SASL_MECHANISM_SCRAM_SHA_512`: SHA_512. || || transactionalIdExpirationMs | **string** (int64) Timeout for transactional ids to expire in ms. Default: 604800000 (7 days). || |# ## KafkaConfig4 {#yandex.cloud.mdb.kafka.v1.KafkaConfig4} Kafka version 4.x broker configuration. #| ||Field | Description || || compressionType | **enum** (CompressionType) Cluster topics compression type. - `COMPRESSION_TYPE_UNCOMPRESSED`: no codec (uncompressed). - `COMPRESSION_TYPE_ZSTD`: Zstandard codec. - `COMPRESSION_TYPE_LZ4`: LZ4 codec. - `COMPRESSION_TYPE_SNAPPY`: Snappy codec. - `COMPRESSION_TYPE_GZIP`: GZip codec. - `COMPRESSION_TYPE_PRODUCER`: the codec to use is set by a producer (can be any of `ZSTD`, `LZ4`, `GZIP` or `SNAPPY` codecs). || || logFlushIntervalMessages | **string** (int64) The number of messages accumulated on a log partition before messages are flushed to disk. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig3.flushMessages](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig3) setting. || || logFlushIntervalMs | **string** (int64) The maximum time (in milliseconds) that a message in any topic is kept in memory before flushed to disk. If not set, the value of `logFlushSchedulerIntervalMs` is used. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig4.flushMs](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig4) setting. || || logFlushSchedulerIntervalMs | **string** (int64) The frequency of checks (in milliseconds) for any logs that need to be flushed to disk. This check is done by the log flusher. || || logRetentionBytes | **string** (int64) Partition size limit; Kafka will discard old log segments to free up space if `delete` [TopicConfig4.cleanupPolicy](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig4) is in effect. This setting is helpful if you need to control the size of a log due to limited disk space. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig3.retentionBytes](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig3) setting. || || logRetentionHours | **string** (int64) The number of hours to keep a log segment file before deleting it. || || logRetentionMinutes | **string** (int64) The number of minutes to keep a log segment file before deleting it. If not set, the value of `logRetentionHours` is used. || || logRetentionMs | **string** (int64) The number of milliseconds to keep a log segment file before deleting it. If not set, the value of `logRetentionMinutes` is used. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig4.retentionMs](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig4) setting. || || logSegmentBytes | **string** (int64) The maximum size of a single log file. This is the global cluster-level setting that can be overridden on a topic level by using the [TopicConfig4.segmentBytes](create.md#yandex.cloud.mdb.kafka.v1.TopicConfig4) setting. || || socketSendBufferBytes | **string** (int64) The SO_SNDBUF buffer of the socket server sockets. If the value is -1, the OS default will be used. || || socketReceiveBufferBytes | **string** (int64) The SO_RCVBUF buffer of the socket server sockets. If the value is -1, the OS default will be used. || || autoCreateTopicsEnable | **boolean** Enable auto creation of topic on the server || || numPartitions | **string** (int64) Default number of partitions per topic on the whole cluster || || defaultReplicationFactor | **string** (int64) Default replication factor of the topic on the whole cluster || || messageMaxBytes | **string** (int64) The largest record batch size allowed by Kafka. Default value: 1048588. || || replicaFetchMaxBytes | **string** (int64) The number of bytes of messages to attempt to fetch for each partition. Default value: 1048576. || || sslCipherSuites[] | **string** A list of cipher suites. || || offsetsRetentionMinutes | **string** (int64) Offset storage time after a consumer group loses all its consumers. Default: 10080. || || saslEnabledMechanisms[] | **enum** (SaslMechanism) The list of SASL mechanisms enabled in the Kafka server. Default: [SCRAM_SHA_512]. - `SASL_MECHANISM_SCRAM_SHA_256`: SHA_256. - `SASL_MECHANISM_SCRAM_SHA_512`: SHA_512. || || transactionalIdExpirationMs | **string** (int64) Timeout for transactional ids to expire in ms. Default: 604800000 (7 days). || |# ## Zookeeper {#yandex.cloud.mdb.kafka.v1.ConfigSpec.Zookeeper} #| ||Field | Description || || resources | **[Resources](#yandex.cloud.mdb.kafka.v1.Resources)** Resources allocated to ZooKeeper hosts. || |# ## Access {#yandex.cloud.mdb.kafka.v1.Access} #| ||Field | Description || || dataTransfer | **boolean** Allow access for DataTransfer. || |# ## RestAPIConfig {#yandex.cloud.mdb.kafka.v1.ConfigSpec.RestAPIConfig} #| ||Field | Description || || enabled | **boolean** Is REST API enabled for this cluster. || |# ## KRaft {#yandex.cloud.mdb.kafka.v1.ConfigSpec.KRaft} #| ||Field | Description || || resources | **[Resources](#yandex.cloud.mdb.kafka.v1.Resources)** Resources allocated to KRaft controller hosts. || |# ## DiskSizeAutoscaling {#yandex.cloud.mdb.kafka.v1.DiskSizeAutoscaling} #| ||Field | Description || || plannedUsageThreshold | **string** (int64) Threshold of storage usage (in percent) that triggers automatic scaling of the storage during the maintenance window. Zero value means disabled threshold. Acceptable values are 0 to 100, inclusive. || || emergencyUsageThreshold | **string** (int64) Threshold of storage usage (in percent) that triggers immediate automatic scaling of the storage. Zero value means disabled threshold. Acceptable values are 0 to 100, inclusive. || || diskSizeLimit | **string** (int64) New storage size (in bytes) that is set when one of the thresholds is achieved. || |# ## KafkaUIConfig {#yandex.cloud.mdb.kafka.v1.ConfigSpec.KafkaUIConfig} #| ||Field | Description || || enabled | **boolean** Is Kafka UI enabled for this cluster. || |# ## MaintenanceWindow {#yandex.cloud.mdb.kafka.v1.MaintenanceWindow} #| ||Field | Description || || anytime | **object** Includes only one of the fields `anytime`, `weeklyMaintenanceWindow`. || || weeklyMaintenanceWindow | **[WeeklyMaintenanceWindow](#yandex.cloud.mdb.kafka.v1.WeeklyMaintenanceWindow)** Includes only one of the fields `anytime`, `weeklyMaintenanceWindow`. || |# ## WeeklyMaintenanceWindow {#yandex.cloud.mdb.kafka.v1.WeeklyMaintenanceWindow} #| ||Field | Description || || day | **enum** (WeekDay) - `MON` - `TUE` - `WED` - `THU` - `FRI` - `SAT` - `SUN` || || hour | **string** (int64) Hour of the day in UTC. Acceptable values are 1 to 24, inclusive. || |# ## MaintenanceOperation {#yandex.cloud.mdb.kafka.v1.MaintenanceOperation} #| ||Field | Description || || info | **string** The maximum string length in characters is 256. || || delayedUntil | **string** (date-time) String in [RFC3339](https://www.ietf.org/rfc/rfc3339.txt) text format. The range of possible values is from `0001-01-01T00:00:00Z` to `9999-12-31T23:59:59.999999999Z`, i.e. from 0 to 9 digits for fractions of a second. To work with values in this field, use the APIs described in the [Protocol Buffers reference](https://developers.google.com/protocol-buffers/docs/reference/overview). In some languages, built-in datetime utilities do not support nanosecond precision (9 digits). || |# ## KafkaUI {#yandex.cloud.mdb.kafka.v1.Cluster.KafkaUI} #| ||Field | Description || || url | **string** URL for connection to kafka ui || |#