• log.local.retention.bytes

    The maximum size of local log segments that can grow for a partition before it gets eligible for deletion. Default value is -2, it represents `log.retention.bytes` value to be used. The effective value should always be less than or equal to `log.retention.bytes` value.

    Type:long
    Default:-2
    Valid Values:[-2,...]
    Importance:medium
  • log.local.retention.ms

    The number of milliseconds to keep the local log segments before it gets eligible for deletion. Default value is -2, it represents `log.retention.ms` value is to be used. The effective value should always be less than or equal to `log.retention.ms` value.

    Type:long
    Default:-2
    Valid Values:[-2,...]
    Importance:medium
  • remote.log.manager.thread.pool.size

    Size of the thread pool used in scheduling tasks to copy segments, fetch remote log indexes and clean up remote log segments.

    Type:int
    Default:10
    Valid Values:[1,...]
    Importance:medium
  • remote.log.metadata.manager.class.name

    Fully qualified class name of `RemoteLogMetadataManager` implementation.

    Type:string
    Default:org.apache.kafka.server.log.remote.metadata.storage.TopicBasedRemoteLogMetadataManager
    Valid Values:non-empty string
    Importance:medium
  • remote.log.metadata.manager.class.path

    Class path of the `RemoteLogMetadataManager` implementation. If specified, the RemoteLogMetadataManager implementation and its dependent libraries will be loaded by a dedicated classloader which searches this class path before the Kafka broker class path. The syntax of this parameter is same as the standard Java class path string.

    Type:string
    Default:null
    Valid Values:
    Importance:medium
  • remote.log.metadata.manager.impl.prefix

    Prefix used for properties to be passed to RemoteLogMetadataManager implementation. For example this value can be `rlmm.config.`.

    Type:string
    Default:rlmm.config.
    Valid Values:non-empty string
    Importance:medium
  • remote.log.metadata.manager.listener.name

    Listener name of the local broker to which it should get connected if needed by RemoteLogMetadataManager implementation.

    Type:string
    Default:null
    Valid Values:non-empty string
    Importance:medium
  • remote.log.reader.max.pending.tasks

    Maximum remote log reader thread pool task queue size. If the task queue is full, fetch requests are served with an error.

    Type:int
    Default:100
    Valid Values:[1,...]
    Importance:medium
  • remote.log.reader.threads

    Size of the thread pool that is allocated for handling remote log reads.

    Type:int
    Default:10
    Valid Values:[1,...]
    Importance:medium
  • remote.log.storage.manager.class.name

    Fully qualified class name of `RemoteStorageManager` implementation.

    Type:string
    Default:null
    Valid Values:non-empty string
    Importance:medium
  • remote.log.storage.manager.class.path

    Class path of the `RemoteStorageManager` implementation. If specified, the RemoteStorageManager implementation and its dependent libraries will be loaded by a dedicated classloader which searches this class path before the Kafka broker class path. The syntax of this parameter is same as the standard Java class path string.

    Type:string
    Default:null
    Valid Values:
    Importance:medium
  • remote.log.storage.manager.impl.prefix

    Prefix used for properties to be passed to RemoteStorageManager implementation. For example this value can be `rsm.config.`.

    Type:string
    Default:rsm.config.
    Valid Values:non-empty string
    Importance:medium
  • remote.log.storage.system.enable

    Whether to enable tiered storage functionality in a broker or not. Valid values are `true` or `false` and the default value is false. When it is true broker starts all the services required for the tiered storage functionality.

    Type:boolean
    Default:false
    Valid Values:
    Importance:medium
  • remote.log.manager.task.interval.ms

    Interval at which remote log manager runs the scheduled tasks like copy segments, and clean up remote log segments.

    Type:long
    Default:30000 (30 seconds)
    Valid Values:[1,...]
    Importance:low
  • remote.log.metadata.custom.metadata.max.bytes

    The maximum size of custom metadata in bytes that the broker should accept from a remote storage plugin. If custom metadata exceeds this limit, the updated segment metadata will not be stored, the copied data will be attempted to delete, and the remote copying task for this topic-partition will stop with an error.

    Type:int
    Default:128
    Valid Values:[0,...]
    Importance:low