- #### 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.fetch.max.wait.ms

  The maximum amount of time the server will wait before answering the fetch request containing remote fetch partitions. It's important to be aware that the request will only be responded after all remote partitions have been successfully fetched, have failed, or this timeout is exceeded.

  Type: | int
  Default: | 500
  Valid Values: | [1,...]
  Importance: | medium

- #### remote.list.offsets.request.timeout.ms

  The maximum amount of time the server will wait for the remote list offsets request to complete.

  Type: | long
  Default: | 30000 (30 seconds)
  Valid Values: | [1,...]
  Importance: | medium

- #### remote.log.manager.copier.thread.pool.size

  Size of the thread pool used in scheduling tasks to copy segments.

  Type: | int
  Default: | 10
  Valid Values: | [1,...]
  Importance: | medium

- #### remote.log.manager.copy.max.bytes.per.second

  The maximum number of bytes that can be copied from local storage to remote storage per second. This is a global limit for all the partitions that are being copied from local storage to remote storage. The default value is Long.MAX_VALUE, which means there is no limit on the number of bytes that can be copied per second.

  Type: | long
  Default: | 9223372036854775807
  Valid Values: | [1,...]
  Importance: | medium

- #### remote.log.manager.copy.quota.window.num

  The number of samples to retain in memory for remote copy quota management. The default value is 11, which means there are 10 whole windows + 1 current window.

  Type: | int
  Default: | 11
  Valid Values: | [1,...]
  Importance: | medium

- #### remote.log.manager.copy.quota.window.size.seconds

  The time span of each sample for remote copy quota management. The default value is 1 second.

  Type: | int
  Default: | 1
  Valid Values: | [1,...]
  Importance: | medium

- #### remote.log.manager.expiration.thread.pool.size

  Size of the thread pool used in scheduling tasks to clean up the expired remote log segments.

  Type: | int
  Default: | 10
  Valid Values: | [1,...]
  Importance: | medium

- #### remote.log.manager.fetch.max.bytes.per.second

  The maximum number of bytes that can be fetched from remote storage to local storage per second. This is a global limit for all the partitions that are being fetched from remote storage to local storage. The default value is Long.MAX_VALUE, which means there is no limit on the number of bytes that can be fetched per second.

  Type: | long
  Default: | 9223372036854775807
  Valid Values: | [1,...]
  Importance: | medium

- #### remote.log.manager.fetch.quota.window.num

  The number of samples to retain in memory for remote fetch quota management. The default value is 11, which means there are 10 whole windows + 1 current window.

  Type: | int
  Default: | 11
  Valid Values: | [1,...]
  Importance: | medium

- #### remote.log.manager.fetch.quota.window.size.seconds

  The time span of each sample for remote fetch quota management. The default value is 1 second.

  Type: | int
  Default: | 1
  Valid Values: | [1,...]
  Importance: | medium

- #### remote.log.manager.follower.thread.pool.size

  Size of the thread pool used in scheduling follower tasks to read the highest-uploaded remote-offset for follower partitions.

  Type: | int
  Default: | 2
  Valid Values: | [1,...]
  Importance: | medium

- #### remote.log.manager.thread.pool.size

  Size of the thread pool used in scheduling follower tasks to read the highest-uploaded remote-offset for follower partitions. This config is deprecated since 4.2, please use `remote.log.manager.follower.thread.pool.size` instead.

  Type: | int
  Default: | 2
  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. 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.index.file.cache.total.size.bytes

  The total size of the space allocated to store index files fetched from remote storage in the local storage.

  Type: | long
  Default: | 1073741824 (1 gibibyte)
  Valid Values: | [1,...]
  Importance: | low

- #### 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